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10,000 Pro Farm


10,000 Pro Farm: Rules

1. Weight – 10,000 lbs.
2. Front Hitch - All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3” diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle.
3. Brakes - All tractors must have working rear brakes capable of sliding the rear tires.
4. Drawbar - Must be a minimum of 18 inches behind center of rear axle, a maximum of 20 inches in height, and be ridged in all directions. Hitching eye to be a minimum of 1 inch thick with a 3” by 3.5” inside diameter hole.
5. Stabilizer Bars - Stabilizer bars are required (no wheels allowed). The stabilizer bars cannot be bolted, welded, etc. to the drawbar in any way. The stabilizer bars must extend a minimum of 32 inches rearward from the center of the rear axle. The skid pad cannot be more than 10 inches off of the ground. The skid pad must be a minimum of 5” X 5” square. A minimum of 20 inches is allowed between the 2 skid pads. No cross bars are allowed on the stabilizer bars behind the point of hook. In addition to stabilizer bars, the vehicle must have a brace that extends vertically 12” from the rear most tip of skid pads. There must be a support brace extending inward to frame, axle or top of stabilizer bar arms. Materials used must be of minimum strength of materials used for stabilizer bars. Design and material must withstand severe impact of sled. Vertical brace should extend rearward a minimum 2” from radius of rear tires.
6. Chassis – Maximum of 114” wheelbase unless originally produced with a longer wheelbase at which point the wheelbase will remain stock. Maximum length of 13 feet from center of rear axle to forward-most point of vehicle excluding the front hitch.
7. Tires - 20.8-38, 24.5-32 or 18.4-42 Cut tires allowed. Aluminum rims allowed.
8. Cubic inch and RPM limits - 3000 RPM maximum for 470 CID with a 3" by 4" turbocharger and a P-PUMP (Model 7100 limit) and an intercooler OR 3,000 R.P.M. maximum 640 CID or less without an intercooler and 470 c.i.d. and below with a 3" by 3" turbocharger, may run 3,500 R.P.M. Indiana Pulling League tractors with 510 c.i.d. with Bosch Model 3000 P pumps, 3" inlet by 3.5" exhaust turbochargers. Vehicle must have a. Vehicle must have an ISSPRO #019R8906 magnetic pickup attached to the front of the engine to measure engine RPM’s. The lead from the pickup to the rear of the vehicle is to be made of 14-16 gauge wire attached to a 110V, 3 prong female electrical outlet. The 2 wires from the pickup need to be attached to the 2 main spades, not the ground spade, of the electrical outlet. This outlet receptacle needs to be mounted next to the rear mounted air shutoff cable. Wire must be one (1) continuous wire outside the side rails and visible. NO SPLICES. 470 c.i.d. tractors with intercoolers CANNOT SHIFT during their pull.
9. Fuel Pump - Bosch P series pump allowed. Model 7100 limit
10. Engine - OEM stock block, head, intake manifold & exhaust manifold must be used for make and model of vehicle being entered. No aftermarket components allowed.
11. Cubic inch – 470 c.i.d with an intercooler or 640 c.i.d. without an intercooler.
12. Turbo – Single turbo with 3-inch diameter intake maximum, wheel must protrude into intake cover. Diameter measured at front face of wheel. Compressor wheel must enter into the compressor housing. 0.200 Map width enhancement grooves are allowed.No restriction on exhaust wheel size.
13. Fuel - Diesel fuel only. Water injection allowed.
14. Neutral Start – Vehicle must not be able to be started while in gear.
15. Air Shutoff - Vehicle must have a cable operated engine air intake shutoff device. Device cannot be a ‘butterfly type’ and must be spring loaded. Cable must be located approximately 4 feet above the point of hook and within 6 inches of the center of the vehicle. Device must prevent the engine from building boost. The sled requires a 2 inch ring or equivalent be attached at the end of the cable. Mount cable in clear view. Do not mount below weights.
16. Dump Valve - A 3-way fuel dump valve is required ahead of the injection pump. This valve is to be operated by a cable on the dash.
17. Throttle - Throttle lever must have a spring installed such that if the throttle lever is released, the engine will return to an idle. Throttle must function such that moving the throttle lever forward, increases the engine’s RPM.
18. Clutch - Clutch must be SFI approved. Certification papers required.
19. Clutch Blanket - Tractors must be equipped with a minimum of 17” wide, 6 strap SFI 4.2 clutch blanket. Blanket must overlap a minimum of 6 inches.
20. Fire Extinguisher - Vehicle must be equipped with a minimum of a 2.5 lb dry type or a 2 lb Haylon type fire extinguisher that must be located within easy reach of the operator. Fire extinguisher must be fully charged.
21. Shields - All tractors must have a deflection shield on both sides of the engine, and cover the entire engine, either aluminum or steel not less than 0.060” thick. There must be a fire wall that separates the operator from the engine compartment with no holes other than those used for controls to pass through. In that instance, each hole is not to have more that ½ inch clearance around the item passing through the fire wall. .060” thick steel or .120” aluminum must run between the frames and under the harmonic balancer to prevent loss of harmonic balancer from the tractor.
22. Fenders - All tractors must have fenders and must support weight of driver. Top of fender must extend no less than a 6” over the top of the tires.
23. Floorboard - All vehicles must be equipped with a floorboard.
24. Personal Safety Equipment - Driver must wear a helmet, snell rating of 85 or higher. Driver must wear a fire suit jacket and pants, SFI 3.2A-1 minimum Driver must wear gloves, SFI 3.3-1 minimum.
25. ROPS - Tractors must have a factory ROPS and quick disconnect lap belt. It is optional to have a roll cage with an SFI, 5 point harness.

Exhaust - A smoke tube is required, indoor only. Exhaust must have two 3/8” bolts, grade 5 minimum, positioned in the exhaust tube 90 degrees to each other and with 1 inch of each other.



10,000 Pro Stock


Pro-Stock Tractor
1. Maximum weight permitted 10,200#
2. Maximum cubic inch limit is 680. Maximum of 8 cylinders permitted. OEM aftermarket replacement blocks permitted, which will follow these guidelines:
2a. 6 cylinder maximum
2b. Camshaft must remain in the OE location. No overhead cams permitted.
2c. Fuel injection pump musty remain in OEM location
2d. Height maximum – Center of crankshaft to cylinder head surface not to exceed one inch over OEM dimension (block, gaskets, deck/spacer plates)
The only acceptable fuel is diesel fuel.
3. No combustible agents allowed in water injection.
4. One turbo-charger is allowed, as is one pressure stage and one air compressing device.
5. Maximum wheel base is 114” and maximum length is 13’ from center of the rear axle to forward most part of the tractor.
6. The engine placement can be no further forward than 60” from the centerline of rear axle to the rear of the block.
7. The front nose of the crankshaft can be no lower than 4” of the center of the rear axle.
8. Component tractors are permitted. All new component tractors must have approval of sheetmetal and engine combination from PPL Tech committee.
9. Intercoolers are permitted.
10. Maximum tire size will not exceed 24.5 X 32.
11. All Pro-Stock tractor will require a 47.1 SFI Spec rollover protection.



11,000 Pro Farm


11,000 Pro Farm Rules:
1. Weight – 11,000 lbs.
2. Front Hitch - All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3” diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle.
3. Brakes - All tractors must have working rear brakes capable of sliding the rear tires.
4. Drawbar - Must be a minimum of 18 inches behind center of rear axle, a maximum of 20 inches in height, and be ridged in all directions. Hitching eye to be a minimum of 1 inch thick with a 3” by 3.5” inside diameter hole.
5. Stabilizer Bars - Stabilizer bars are required (no wheels allowed). The stabilizer bars cannot be bolted, welded, etc. to the drawbar in any way. The stabilizer bars must extend a minimum of 32 inches rearward from the center of the rear axle. The skid pad cannot be more than 10 inches off of the ground. The skid pad must be a minimum of 5” X 5” square. A minimum of 20 inches is allowed between the 2 skid pads. No cross bars are allowed on the stabilizer bars behind the point of hook. In addition to stabilizer bars, the vehicle must have a brace that extends vertically 12” from the rear most tip of skid pads. There must be a support brace extending inward to frame, axle or top of stabilizer bar arms. Materials used must be of minimum strength of materials used for stabilizer bars. Design and material must withstand severe impact of sled. Vertical brace should extend rearward a minimum 2” from radius of rear tires.
6. Chassis – Maximum of 114” wheelbase unless originally produced with a longer wheelbase at which point the wheelbase will remain stock. Maximum length of 13 feet from center of rear axle to forward-most point of vehicle excluding the front hitch.
7. Tires - 20.8-38, 20.8-42 or 18.4-42 Cut tires allowed. Aluminum rims allowed.
8. RPM limitations – NEW for 2018: The three versions of the class competing at the same time, AND against each other: VERSION ONE (BADGER STATE/PI/Illini STATE) 3500 RPM maximum for Inter cooled 640 CID or less with a smooth bore turbo charger. 3750 RPM maximum for Intercooled tractors below 470 CID with a smooth bore turbocharger, VERSION TWO (ITPA/ILLIANA) 3250 RPM maximum for Inter cooled 640 CID or less with a slotted turbocharger, 3500 RPM maximum for tractors below 470 CID . VERSION THREE (USA PULLERS) Unlimited Cubic Inch tractors with No turbocharger limit are limited to 3000 R.P.M. Vehicle must have an ISSPRO #019R8906 magnetic pickup attached to the front of the engine to measure engine RPM’s. The lead from the pickup to the rear of the vehicle is to be made of 14-16 gauge wire attached to a 110V, 3 prong female electrical outlet. The 2 wires from the pickup need to be attached to the 2 main spades, not the ground spade, of the electrical outlet. This outlet receptacle needs to be mounted next to the rear mounted air shutoff cable. Wire must be one (1) continuous wire outside the side rails and visible. NO SPLICES.
9. Fuel Pump - Bosch P 3000 & 7100 series pump allowed.
10. Engine - OEM stock block, head, intake manifold & exhaust manifold must be used for make and model of vehicle being entered. No aftermarket components allowed.
11. Cubic inch – See RPM section for RPM and CID relationships.
12. Turbo – 3.0”Inlet intake wheel must protrude, IF ALLOWED A SINGLE 0.250 of one inch MAP enhancement groove is allowed OR 3.6" smooth bore with no restriction on exhaust wheel size. U.S.A. tractors have no turbocharger restrictions.
13. Fuel - Diesel fuel only. Water injection allowed. Intercoolers allowed.
14. Neutral Start – Vehicle must not be able to be started while in gear.
15. Air Shutoff - Vehicle must have a cable operated engine air intake shutoff device. Device cannot be a ‘butterfly type’ and must be spring loaded. Cable must be located approximately 4 feet above the point of hook and within 6 inches of the center of the vehicle. Device must prevent the engine from building boost. The sled requires a 2 inch ring or equivalent be attached at the end of the cable. Mount cable in clear view. Do not mount below weights.
16. Dump Valve - A 3-way fuel dump valve is required ahead of the injection pump. This valve is to be operated by a cable on the dash.
17. Throttle - Throttle lever must have a spring installed such that if the throttle lever is released, the engine will return to an idle. Throttle must function such that moving the throttle lever forward, increases the engine’s RPM.
18. Clutch - Clutch must be SFI approved. Certification papers required.
19. Clutch Blanket - Tractors must be equipped with a minimum of 17” wide, 6 strap SFI 4.2 clutch blanket. Blanket must overlap a minimum of 6 inches.
20. Fire Extinguisher - Vehicle must be equipped with a minimum of a 2.5 lb dry type or a 2 lb Haylon type fire extinguisher that must be located within easy reach of the operator. Fire extinguisher must be fully charged.
21. Shields - All tractors must have a deflection shield on both sides of the engine, and cover the entire engine, either aluminum or steel not less than 0.060” thick. There must be a fire wall that separates the operator from the engine compartment with no holes other than those used for controls to pass through. In that instance, each hole is not to have more that ½ inch clearance around the item passing through the fire wall. .060” thick steel or .120” aluminum must run between the frames and under the harmonic balancer to prevent loss of harmonic balancer from the tractor.
22. Fenders - All tractors must have fenders and must support weight of driver. Top of fender must extend no less than a 6” over the top of the tires.
23. Floorboard - All vehicles must be equipped with a floorboard.
24. Personal Safety Equipment - Driver must wear a helmet, snell rating of 85 or higher. Driver must wear a fire suit jacket and pants, SFI 3.2A-1 minimum. Driver must wear gloves, SFI 3.3-1 minimum.
25. All tractors must have an approved roll cage with an SFI, 5 point harness.

Exhaust - A smoke tube is required, indoor only. Exhaust must have two 3/8” bolts, grade 5 minimum, positioned in the exhaust tube 90 degrees to each other and with 1 inch of each other.




12,000 Farm Stock


12,000 lb. Farm Stock: Rules

Tractor must be equipped with “dead man’s” throttle.
All tractors must have a neutral or clutch safety switch.

Drawbars
1) Drawbars shall meet the following: drawbar to be a minimum of 2 square inches total steel material at any point. This includes the area of the pin with the pin removed. The pin will be a minimum of 7/8 inch. Drawbar must be equipped with a steel hitching device not more than 1.5 x 1.5 square, (or 1.5 round), and with an oblong shaped hole 3.75 inches long and 3 inches wide.
2) No drawbar support tubes attached above the centerline of the rear axle, unless using the stock drawbar support for that make and model. Absolutely no drawbar supports designed to pull only from, or to be attached only to a point above the centerline of the rear axle.
3) Drawbar maximum height 20 inches
4) Drawbar to be no shorter than 18 inches
Front Hitch - All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3 inch diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle.

Engines
1. Each competing vehicle must have a working ISSPRO #019R8906 magnetic pickup attached to the front of the engine to measure engine RPMs. The lead from the pickup to the rear of the vehicle is to be made of 14-16 gauge wire attached to an 110V, 3 prong female electrical outlet. The 2 wires from the pickup need to be attached to the 2 main spades, not the ground spade, of the electrical outlet. This outlet receptacle needs to be mounted next to the rear mounted air shutoff cable. Wire must be one (1) continuous wire outside the side rails and visible. NO SPLICES!!! The pickup MUST be in working order during competition. If a competitors pick up does not work during competition the vehicle will be disqualified.
2. Engine must be stock block for that make or model.
3. Engines are limited to agricultural produced intake and exhaust manifolds.
4. No intercoolers allowed. OEM agricultural intercooler manifolds are allowed without any cooling assistance hooked up.
5. Tractors are limited to 505 cubic inches unless make and model of tractor is offered with larger displacement from the factory.
6. Factory produced vehicles greater than 505 cubic inches are limited to the factory offered displacement of the vehicle. (i.e. JD 6030 is limited to 531 cubic inches) NO BIG BLOCK DEERE 619 engines!!!!!
7. Engine RPM is limited to 3000 maximum RPM.
8. Farm Stock tractors are limited to a single turbocharger with a 2.330 inch inducer bore restriction within 2 inches of the face of the intake wheel. A single MAP grove allowed, no bigger than .250
9. No air-cooling agents.
10. Farm Stock tractors are limited to stock appearing injection pumps with factory external dimensions for make and model of vehicle being entered.
11. No aluminum or aftermarket heads are allowed. NO RECAST HEADS ALLOWED.
12. Engine must be stock appearing for that make and model of tractor.
Chassis
1. Tractors are to be stock appearing. This is a Farm Stock class and should be presented as such.
2. All housings must be stock appearing for that make and model of tractor.
3. Must run OEM axles and axle housings for that make and model of tractor.(including Planetary axle)
4. Fenders are required.
5. NO aluminum rear wheels allowed

Exhaust Systems
Exhaust - A smoke tube is required. Exhaust must have two 3/8 bolts, grade 5 minimum, positioned in the exhaust tube 90 degrees to each other and within 1 inch of each other.
Fuel and Fuel Containers
1. No nitrous oxide, oxygen or nitro methane.
2. Tractors must run on diesel.
3. No water or alcohol injection.

Kill Switches
1. All diesel competing vehicles must have an air shut-off and fuel shut off in working at order at all times.
2. On a diesel tractor, the kill cable must activate the air shut-off or fuel shut off required on a diesel engine. A cable may be used for this purpose, but must have positive type enclosed cable for the air shut-off. The cap must have a spring loaded closing mechanism. It is recommended that a gasket / seal arrangement be used. to more effectively shut off air flow. Door or rain cap air shut offs (no butterfly type) will be required on all self ignition engines with a separate control for the driver. Control for driver not to be the same as for the sled. No electrical operated air shut-offs allowed.
3. All kill switches must be mounted independent of drawbar and/or wheelie bars / stabilizer bars.
4. The kill switch must be located in the rear center (maximum of 6 inches off center in any direction), approx four feet above the hook point.
5. The breakaway kill switches must have attached to them a minimum of a 2-inch diameter ring, with a minimum 1/8 inch cross-sectional thickness. The cable from the sled will be attached to this ring.
6. Portion of the kill switch and mounting bracket(s) must be able to withstand 32 pounds of pull per switch when pulled independently or collectively.
7. Diesel engines must have a fuel shut-off valve control within easy reach of driver (your normal fuel shut-off on diesel pump). All diesel engines must be equipped with an emergency shutdown air shut-off at the air intake, which can be utilized from the tractor seat.
Stabilizer Bars

1. Stabilizer bars are required. The drawbar assembly will not in any way be attached to the stabilizer bar assembly.
2. The stabilizer bar must extend a minimum of 32 inches behind a line drawn from the center of the wheel to the ground. Pad must not be more than 10 inches off the ground at 32-inch point and be measured during hitch check before competition. The stabilizer pad must be a minimum of 5 inches square with a minimum of 20 inches allowed from outside of one pad to the other. No crossbars between stabilizer bars allowed behind point of hook.

Safety
1. Any engine driven fan must be shrouded 360 degrees.
2. Side Shields - All tractors must have a deflection shield on both sides of the engine, and cover the entire engine, either aluminum or steel not less than 0.060 of an inch thick. There must be a fire wall that separates the operator from the engine compartment with no holes other than those used for controls to pass through. In that instance, each hole is not to have more that ½ inch clearance around the item passing through the fire wall. .060 of an inch thick steel or .120 of an inch aluminum must run between the frames and under the harmonic balancer to prevent loss of harmonic balancer from the tractor.
3. Clutch must be SFI approved. Certification papers required.
4. Clutch Blanket - Tractors must be equipped with a minimum of 17 inches wide, 6 strap SFI 4.2 clutch blanket. Blanket must overlap a minimum of 6 inches. Please do not use a second hand blanket with holes burnt through it.
5. All tractors must have tie bars from the rear axle housing to the frame of the tractor.
6. All pulling vehicles must be equipped with a minimum of 2 lb Halon type of 2½ lb dry-powder type fire extinguisher, full charged with a gauge, in working condition and convenient to the operator.
7. Personal Safety Equipment - Driver must wear a helmet, snell rating of 85 or higher and neck collar. Driver must wear a fire suit jacket. SFI 3.2A-1 minimum. Driver must wear gloves, SFI 3.3-1 minimum.
8. ROPS must be modified to Maximum height of 8 feet 6 inches. It is optional to have a roll cage with an SFI, 5 point harness.
Tires
1. Maximum size is 20.8-38 or 18.4-42
2. Cut tires are not allowed.
Weights
1. Maximum weight for tractor and driver is 12,000 lbs.
2. Weights must be safely secured and must not extend rearward beyond rear tires. No weight frame may extend more than 24" beyond the furthest point of the front of the tractor.

In 2016 Illini State Tractors will also compete in this class under their native club rules:
Illini State Pullers: 2Hot2Farm Rules
1) Cubic inches 470 or less 2% variance.
2) Fuel: diesel only. Stock appearing pumps or 12 mm A
pumps max, no P pumps or sigma pumps.
3) Turbo Limits: 100% stock S300 box turbo 2.36-inch max
part #177272 (new) or #477272 (remanufactured) or any
production box turbo up to S300 box turbo 2.36 inches.
No modifications are allowed to turbo charger except
exhaust housing can be switched to accept AR 88, 91, or
100 types housing. No modifications to compressor
housing or inner parts of charger such as turbine wheel
compressor wheel Etc. NO BILLET WHEEL assembly
allowed for performance. Modification for fitment for
exhaust routing, intake routing, air shut off will be
allowed as not considered a performance factor.
4) There is a $750 claimer rule on turbo.
5) RPM 30000rpm max (zero tolerance)
6) Inter cooler: only OEM application inner coolers that bolt
directly to head of the model of tractor it is being put on
can be used. No Ice Box allowed. No separate intercooler
water source allowed. No spacer plates allowed.
7) Intake manifold MUST BE STOCK APPEARING.
Agricultural intake only; no marine or industrial intakes
allowed. This is up to the Tech Committee’s discretion.
8) Nothing can be injected into the entire intake system.
9) OEM replacement blocks allowed; must have stock
engine-mounting plate that is made for the replacement
motor and looks stock. Decubing is allowed. ISP rules
regarding replacement motors apply.
10) Tire size: 20.8 x 38 or 18.4 x 42 maximum. No face cut tires.




6,500 Light Limited Super Stock


6,500 Limited Super Stock 1. Front Hitch - All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3� diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle. 2. Chassis - Maximum of 114� wheelbase unless originally produced with a longer wheelbase at which point the wheelbase will remain stock. Maximum length of 13 feet from center of rear axle to forward-most point of vehicle excluding the front hitch. No component tractors allowed. Wide front ends only. Must be OEM tractor rear end and transmission. No Component chassis allowed. 3. Drawbar - Must be a minimum of 18 inches behind center of rear axle, a maximum of 20 inches in height, and be ridged in all directions. Hitching eye to be a minimum of 1 inch thick with a 3� by 3.5� inside diameter hole. 4. Floorboard - All vehicles must be equipped with a floorboard. 5. Fenders - All tractors must have fenders and must support weight of driver. Top of fender must extend no less than a 6� over the top of the tires. 6. Roll Cage - Tractors must be equipped with a roll cage with an SFI 5 point harness. 7. Engine - Engine must be OEM designed block and match the vehicle�s drive line or factory replacement block for that tractor with factory appearing head for that tractor at the time of manufacture. 8. Weight / Cubic Inch - 6,400 lbs. For all 370 c.i.d. Alcohol tractors and 466 c.i.d. Diesel tractors 6,500 lbs. For 410 c.i.d. and below tractors with intercoolers 6,700 lbs. For 410 c.i.d. below tractors without intercoolers 9. Fuel Pump - Bosch P-3000 or P-7100 series pump maximum, NO 8000 series P-pumps allowed. No Sigma pumps allowed. 10. Fuel � Stock fuel only. Diesel, alcohol, gasoline, and propane may be used. Water injection allowed. Water for water injection systems and/or diesel fuel may be provided unannounced at any pull by tech officials for all competitors in a class or all classes. 11. Fuel Tanks - No pressurized tanks except propane, when used as a primary fuel only. 12. Turbo - Badger State & ECITPA tractors: 410 c.i.d. and below with a intercooler are limited to one 3" by 4" turbocharger with NO MAP INHANCEMENT GROOVES: 315 c.i.d. and below with a intercooler are limited to two 3" by 4" turbochargers with NO MAP INHANCEMENT GROOVES. Missouri State Tractors: 360 c.i.d.and below turbo compressor measurement to be measured at the face of the wheel inlet a maximum of 3.0 inches. The wheel may be no larger than this measurement at the inlet. One map width enhancement groove of .200 allowed. Wheel must protrude into housing 1/8 of an inch. Must be no larger than 3 inches on front side of map width enhancement groove. At least 1/8 inch on back side of map width enhancement groove must be no larger than 3.2 inches in diameter. Exhaust outlet is to be no larger than four inches at the face of the exhaust wheel. Exhaust wheel shall be no larger than 4� at its face and taper back from face evenly with no steps. X Caliber tractors: 410 c.i.d. and below with NO INTERCOOLER are limited to one 3" by 4" turbocharger with MAP INHANCEMENT GROOVES. SCWTP, KTPA & B.O.B. tractors: 466 c.i.d. and below Diesel tractors are limited to one 3.9" turbocharger.370 c.i.d. and below are limited to one 3" inlet turbo charger. The wheel may be no larger than this measurement at the inlet. One map width enhancement groove of .200 allowed. Wheel must protrude into housing 1/8 of an inch. Must be no larger than 3 inches on front side of map width enhancement groove. At least 1/8 inch on back side of map width enhancement groove must be no larger than 3.2 inches in diameter. Exhaust outlet is to be no larger than four inches at the face of the exhaust wheel. Exhaust wheel shall be no larger than 4� at its face and taper back from face evenly with no steps. General Turbo Rules: Only one turbo charger with one pressure stage will be allowed. The only exception being those diesels with 315 cid or less. Those vehicles are allowed to run (2) turbo chargers under the following guidelines. The compressor housing will have no larger than a 3� inlet measured at the smallest diameter area of the compressor wheel. No downsizing of the compressor housing ahead of the wheel will be allowed. The exhaust housing being no larger than a 4� outlet measured as above. Inlet will be measured using a 3.005� slug, exhaust using a 4.005� slug. Turbo must be under hood or shrouded end to end and 360 degrees around with .060� steel or heavier. It must be shrouded if under a fiberglass hood. 13. Air Shutoff � Diesel powered vehicles must have a cable operated engine air intake shutoff device. Device cannot be a �butterfly type� and must be spring loaded. Cable must be located approximately 4 feet above the point of hook and within 6 inches of the center of the vehicle. Device must prevent the engine from building boost. The sled requires a 2 inch ring or equivalent be attached at the end of the cable. Mount cable in clear view. Do not mount below weights. Non-diesel powered vehicles must have a cable operated electric cutoff switch mounted on the rear of the vehicle. This switch is to kill spark to the engine and shut off electric fuel supply pumps in the event that the switch is activated. 14. Dump Valve - A 3-way fuel dump valve is required ahead of the injection pump. This valve is to be operated by a cable on the dash. Diesel only. 15. Neutral Start � Vehicle must not be able to be started while in gear. 16. Brakes - All tractors must have working rear brakes capable of sliding the rear tires. 17. Throttle - Throttle lever must have a spring installed such that if the throttle lever is released, the engine will return to an idle. Throttle must function such that moving the throttle lever forward, increases the engine�s RPM. 18. Stabilizer Bars - Stabilizer bars are required (no wheels allowed). The stabilizer bars cannot be bolted, welded, etc. to the drawbar in any way. The stabilizer bars must extend a minimum of 32 inches rearward from the center of the rear axle. The skid pad cannot be more than 10 inches off of the ground. The skid pad must be a minimum of 5� X 5� square. A minimum of 20 inches is allowed between the 2 skid pads. No cross bars are allowed on the stabilizer bars behind the point of hook. In addition to stabilizer bars, the vehicle must have a brace that extends vertically 12� from the rear most tip of skid pads. There must be a support brace extending inward to frame, axle or top of stabilizer bar arms. Materials used must be of minimum strength of materials used for stabilizer bars. Design and material must withstand severe impact of sled. Vertical brace should extend rearward a minimum 2� from radius of rear tires. 19. Engine Cooling Fan - Tractors must have an electric operated cooling fan. Stock steel bladed fans that are driven by a belt are not allowed. 20. Shields - All tractors must have a deflection shield on both sides of the engine, and cover the entire engine, either aluminum or steel not less than 0.060� thick. There must be a fire wall that separates the operator from the engine compartment with no holes other than those used for controls to pass through. In that instance, each hole is not to have more that � inch clearance around the item passing through the fire wall. .060� thick steel or .120� aluminum must run between the frames and under the harmonic balancer to prevent loss of harmonic balancer from the tractor. 21. Fire Extinguisher - Vehicle must be equipped with a minimum of a 2.5 lb dry type or a 2 lb Haylon type fire extinguisher that must be located within easy reach of the operator. Fire extinguisher must be fully charged. 22. Personal Safety Equipment - Driver must wear a helmet, snell rating of 85 or higher and a head sock. Driver must wear a fire suit jacket and pants, SFI 3.2A-1 minimum. Driver must wear SFI approved shoes. Driver must wear a minimum of SFI approved single layer gloves. 23. Exhaust - A smoke tube is required, indoor only. Exhaust must have two 3/8� bolts, grade 5 minimum, positioned in the exhaust tube 90 degrees to each other and with 1 inch of each other.


6,500 Pro Field/6,000 Light Hot Farm/6,500 Natural SuperStock/6,000 Classic Hot Rod


Natural Super Stock, Light Pro Field,
Light Hot Farm & Classic Modified Rules:

This is a combination of three groups of tractors:

1.Natural Super Stock
2.Light Pro Field
3.Classic Modifieds
4.Light Hot Farms

Each of these classes will be competing within but not against each other. Each division will be competing for their individual purse.

Naturally Aspirated Super Stock:

Front Hitch - All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3” diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle.

Chassis - Maximum of 114” wheelbase unless originally produced with a longer wheelbase at which point the wheelbase will remain stock. Maximum length of 13 feet from center of rear axle to forward-most point of vehicle excluding the front hitch. Wide front ends only. Must be OEM tractor rear end and transmission.

Drawbar - Must be a minimum of 18 inches behind center of rear axle, a maximum of 20 inches in height, and be ridged in all directions. Hitching eye to be a minimum of 1 inch thick with a 3” by 3.5” inside diameter hole.

Floorboard - All vehicles must be equipped with a floorboard.

Fenders - All tractors must have fenders and must support weight of driver. Top of fender must extend no less than a 6” over the top of the tires.

Engine - Engine must be OEM designed block and match the vehicle’s drive line or factory replacement block.

Tires – 24.5 x 32, 20.8” x 38” or 18.4 “ x 38”

Weight – 6,500 lbs.

Fuel – Gasoline, Alcohol, and Propane only.

Fuel Tanks - No pressurized tanks except propane, when used as a primary fuel only.

Kill Switches – Mandatory electrical “kill switch for spark ignition engines. Diesel engines must have system to shut off air to the engine.

Neutral Start – Vehicle must not be able to be started while in gear.

Brakes - All tractors must have working rear brakes capable of sliding the rear tires.

Throttle - Throttle lever must have a spring installed such that if the throttle lever is released, the engine will return to an idle. Throttle must function such that moving the throttle lever forward, increases the engine’s RPM

Stabilizer Bars - Stabilizer bars are required (no wheels allowed). The stabilizer bars cannot be bolted, welded, etc. to the drawbar in any way. The stabilizer bars must extend a minimum of 32 inches rearward from the center of the rear axle. The skid pad cannot be more than 10 inches off of the ground. The skid pad must be a minimum of 5” X 5” square. A minimum of 20 inches is allowed between the 2 skid pads. No cross bars are allowed on the stabilizer bars behind the point of hook. In addition to stabilizer bars, the vehicle must have a brace that extends vertically 12” from the rear most tip of skid pads. There must be a support brace extending inward to frame, axle or top of stabilizer bar arms. Materials used must be of minimum strength of materials used for stabilizer bars. Design and material must withstand severe impact of sled. Vertical brace should extend rearward a minimum 2” from radius of rear tires.

Engine Cooling Fan - Tractors must have an electric operated cooling fan. Stock steel bladed fans that are driven by a belt are not allowed.

Shields - All tractors must have a deflection shield on both sides of the engine, and cover the entire engine, either aluminum or steel not less than 0.060” thick. There must be a fire wall that separates the operator from the engine compartment with no holes other than those used for controls to pass through. In that instance, each hole is not to have more that ½ inch clearance around the item passing through the fire wall. .060” thick steel or .120” aluminum must run between the frames and under the harmonic balancer to prevent loss of harmonic balancer from the tractor.

Fire Extinguisher - Vehicle must be equipped with a minimum of a 2.5 lb dry type or a 2 lb Haylon type fire extinguisher that must be located within easy reach of the operator. Fire extinguisher must be fully charged.

Personal Safety Equipment - Driver must wear a helmet, snell rating of 85 or higher and a head sock. Driver must wear a fire suit jacket and pants, SFI 3.2A-1 minimum. Driver must wear SFI approved shoes. Driver must wear a minimum of SFI approved single layer gloves.

Light Pro Field tractor Rules:

3500 RPM limit with 1% tolerance

18.4x38 max. tire size

361 cubic inch limit on turbo tractors

Weight: 6,500 lbs.

Must run a minimum of 2 bar cage
NO TOLERANCE WILL BE ALLOWED
ON TIRE SIZE

2. All tractors will be equipped with a five-point
harness and have a “roll cage”.

3.Diesel powered tractors can run a Bosch Model P Fuel injection pump. No computerized
injection systems.

4. Gasoline-powered tractors can have any
agricultural, updraft carburetor.

5. Tractors will have operative, factory-equipped
governors which will be checked by: (A) visual
retarding movement of the throttle linkage from
governor case to carburetor; and (B) audible
acceleration when clutch is engaged while holding
brakes on with tractor in high gear.

6. Water Injection is allowed.

7. Weights must be secured to the tractor, Rear
weights must not be more than 3” maximum behind
rear tires. Tractor length is not to exceed 13’ from
center of rear axle to farthest point forward
including weights. Maximum of 6” tow-hook not
include din 13’ length.

6,000 Small Block Hot Rod

WEIGHT; 6,000#
TIRES; 18.4 x 38 maximum
AGE OF DRIVER; 18 years or older
AGE OF TRACTOR; 1972 and older, no home made tractors
FUEL; Gasoline fuels only with a maximum of 750 specific gravity, no E85, no alcohol, no pressurized fuels, no nitrous oxide, no oxygen accelerate, no nitrogen methanol, and no propylene oxide. Racecar gasoline may be used.
DRAW BAR; Drawbars must not exceed 20 inches in height or less than 18 inches from
center of axle to hooking point. No part of draw bar may extend rearward beyond point of hook. No part of drawbar is to be attached to any point higher than the center of rear axle. Drawbars must be stationary in all directions. No clevis, absolutely no turnbuckles.
ENGINE, MANIFOLD, CARBURETOR; Engine must be 410 cubic inches or smaller. Must be a small block, no big blocks. Must be a cast iron block, cast iron heads, maximum eight cylinders. Two valve one spark plug per cylinder. Camshaft in block. Any manifold. One four barrel naturally aspirated carburetor, stock, out of box 750 CFM. No flowed carburetors, no predators, no dominators. No fuel injection, no throttle based injection. Headers or open exhaust are allowed. Headers must exit in an upward direction.
IGNITION; All ignitions must use a MSD system with an 8000 maximum rpm limiter chip.
HOOD, GRILL, FRAME, TRANSMISSION, REAR END, AXLE; Must be for that make and model and must maintain stock appearance and dimension. Sheet metal upgrades are allowed, but must not cross manufacturer’s lines. All upgrades must come to the committee for approval. Front ends may be homemade, maximum allowable wheelbase of 100” from center of rear axle to center of front axle.
TOTAL LENGTH OF TRACTOR; Maximum length 11’ from center of rear axle to the furthest point forward, including weights.
SAFETY EQUIPMENT; Helmet and fire suit, wheelie bars, kill switches, fire extinguishers, fenders, blow proof damper pulley and shroud, SFI flywheels and pressure plates, scatter blanket or SFI bell housings, engine side shields. Drive shaft from bell housing to transmission must be shielded. Roll cages must be capable of supporting tractor and driver. No steel fans. All tractors must have wide front axles with a minimum of 32 inches between inside of tires. All electric fuel pumps must be wired to the kill switch.


Iowa/Missouri Assn. Classic Modified Tractor Rules:

Tractors are not to be newer than 1957.
Any speed, any gear, no shifting, no shifting of T/A’s or like transmissions allowed.
All tractors must be neatly painted.
Appearance: Tractors are intended to look like a stock farm tractor that has an automotive V-8 neatly installed.
No extended or widened hoods.
Raised carburetor enclosures are allowed.

Weight: 6,000 lbs.
Engine

A maximum of 360 cubic inch displacement with 1% tolerance.
Tractors may run one (1) cast iron automotive block and cast iron heads.
No overhead cams.
Enhanced electrical systems are allowed.
No Magnetos.
Electric water pumps, electric fans, and electric fuel pumps are allowed.
No tunnel ram or sheet metal intakes.
No flap or rain cap type covers on exhaust.

Fuel

Tractors are to be naturally aspirated with a single gasoline carburetor.
No nitrous oxide, water, or alcohol injection.
No nitro methane or nitro methane fuel additives allowed.

Tires/Wheels

18.4 x 38 tire size maximum. Any cut and any rim width.

Chassis

Stock frames or like replacements are allowed. Example: tractors with cast iron tub chassis my convert to side rail frames .
Transmission, rear end and axle housings must match factory sheet metal, dash, and hood.
No lengthened or widened hoods.
ALL tractors must have a wide front.
Centerline of front axle may be no more than 12” in front of OEM axle location.
Batteries and fuel tanks may be remote located in front of grille.
No part of tractor including front weights may extend more than 11’ in front of the center line of the rear axle.
Weights may not extend beyond the rearmost point of the rear tires.


Hitch

Point of the hook must not exceed 20” from the ground or be no less than 18” from the centerline of the rear axle.
Adjustable drawbars must be stationary in all directions.
Top of hitch adjuster must not be attached above the centerline of the rear axle.


Safety

All Drivers must wear an approved fire suit and DOT certified helmet.
Wheelie bars are required and they must support the weight of the tractor.
Rear mounted kill switch is required. Switch must kill the circuit to the ignition as well as fuel pump(s).
“Dead Man” style throttle is required.
All tractors must be equipped with roll over protection whether it be of OEM or multiple bar design.
Seatbelts are required to be in use while the tractor is hooked to the sled.
All tractors must be equipped with rear fenders.
All tractors will be equipped with either a SFI scatter blanket or 3/16” steel band over the clutch and flywheel area.
SFI flywheel and clutch required.
All driveline couplers must be shielded 360 degrees.
Engine side covers are required and cover the area from the base of the cylinder head to the top of the frame rail or oil pan.
Harmonic balancers are required to shield 360 degrees.
All tractors must be equipped with a fire extinguisher within reach of the driver.

6000lb Light Hot Farm Rules
General Rules
1. Tractors in the class will represent models 1980 and older.
2. Limited to a box, bone-stock 3LM466 turbocharger, sealed at beginning of season, Must be the factory exhaust housing supplied with the turbo. "small" motors with small base exhaust will run with 3LM466 adapted to fit their exhaust manifold. All turbo inspections will be done by SKPP Parts for this class, 270-590-0020 or turbos can be supplied through SKPP.
3. Injection Pumps: Rotary and 10mm A pump allowed all CID combinations. P Pump allowed 399CID and below only. No electronic pumps allowed.
4. 480 CID maximum cid, 0% variance. No decubing allowed to meet spec.
5. 0-399cid, 3500rpm. 400-480cid, 3000rpm monitored by sensor (sensor part # isspro R8906). No splices in harness allowed from sensor point to plug at back of tractor.
6. No water injection, no intercoolers or aftercoolers
7. OEM exhaust and intake manifolds only for engine series used. No recast heads No profab-style transmissions.
8. Diesel Fuel only; no pressurized power-adders (propane, nitrous, etc) of any kind allowed.
9. Front of tractor weights cannot measure beyond 13 feet of centerline of rear axle. All tractors must have front lifting device for towing
10. 18.4x38 tires max, any cut, radials allowed, 18.4r or metric equivalent. 460/85 R38 or 480/80 R38
11. Hitch can be no more than 20 inches in height, a minimum of 18 inches from centerline of rear axle.
12. No shifting up or down while in competition.
13. Drivers 14 years and older allowed. Any driver under 18 requires parental consent.
14. To encourage variety, Sheet metal/Rearend/transmission must be 1980 or older and match OEM. Engine can be in series with same OEM as Sheetmetal/transmission/rear. (ex. possible combinations: 5.9 Cummins with M5 Moline metal/UTS rear, 478 Hercules with 1800 rear/1950 sheet metal, Ford Commander sheet metal/5000 rear/Genesis engine, Allis 180 with 426, IH M rear/450 Sheetmetal/400 series engine to name a few)
15. No dataloggers allowed.

Safety Rules
1. SFI approved clutches, steel flywheels and scatter blankets required.
2. Tie bars required.
3. Helmets and Fire Suits required, must have a fire extinguisher on-board mounted for quick access.
4. Roll cages, minimum 2-bar assemblies, high-back seat with 5-point harness required.
5. Guillotine Air Shut-off required. On-board fuel shut-off must be accessible from strapped-in position.
6. Deadman throttle required.
7. Wide front ends only.
8. Wheelie bars required, w/4x4 pads that no more than 10 in. off ground. Wheelie bars must be able to support weight of tractor independently.
9. No hanging weights can extend beyond rear tire. Tractor must 200lbs moveable weight.
10. Side shields required
11. (2) 3/8ths bolts fitted in a cross pattern on exhaust side required.
12. Fenders must extend above top of tire.




8,500 Limited Pro Stock


8,500 Limited Pro Stock Rules 1. All tractors have to meet NTPA/PPL/Outlaw safety standards and chassis configurations. No component chassis allowed. 2. Cubic Inch Limit: 470 c.i.d. 3. Turbocharger Limit: Single turbo with 3-inch diameter intake maximum. Diameter measured at front face of wheel. Compressor wheel must enter into the compressor housing. Map width enhancement grooves are NOT allowed. Outlaw Light Limited tractors may compete with the BOX Turbocharger they competed with the summer of 2017. If you are going to run the Outlaw BOX Turbo, you must also run the VP legal fuel for the 2017 season. ALL WATER INJECTION WATER WILL BE PURCHASED FROM WHATSSMOKIN PROMOTIONS AT THE EVENT. Any altering of their 2016 OUTLAW BOX turbocharger will lead to a disqualification for the weekend, upon inspection. Tractors with 505 c.i.d or below may run a STOCK GARRETT GT 42 turbocharger. Fuel Pump - Bosch P series pump Model 3000 and 7100 maximum size allowed, 13mm barrel and plunger maximum size. 5. Intercoolers will not be allowed. 6. Tires: 24.5 x 32 NEW for 2018 20.8 will be allowed 7. Front Hitch: All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3� diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle. 8. Exhaust: A smoke tube is required, indoor only. Exhaust must have two 3/8� bolts, grade 5 minimum, positioned in the exhaust tube 90 degrees to each other and with 1 inch of each other. Weights: 8,500 lbs. No MAP ring 3x4 turbo, P-pump, and 24.5 x 32 or 20.8 x 38 tires 8,300 lbs. MAP ring 3 x 4 turbo, A-pump, and 24.5 x 32 tires. 8,200 lbs. MAP ring 3 x 4 turbo, A-pump/with intercooler, and 24.5 x 32 tires


8,700 Light Pro Stock


8,500 lb. Light Pro Stock


All OEM chassis Pro Stock rules, including shielding, safety and SFI requirements, apply to this class plus the following rules.

Class weight 8500 lbs.

540 c.i.d. tractors with 3 x 3 turbochargers may weight 9,500 lbs.

A. Engines

1. No engine larger than 540 cid. (+ or - 1 percent)

2. No component chassis

3. Engine head must be OEM agricultural-type for that brand engine. (No billet)

4. No overhead cams allowed.

5. Maximum 2 valves per cylinder

6. No inner / after coolers

7. Diesel fuel only

8. Maximum allowed "P" pump 3000 or 7100 series only (No aftermarket housing). Only one plunger per cylinder allowed.

9. Any size turbo may be used





9,000 Limited Pro Stock


9,000 lb. Limited Pro Stock Rules:
All tractors have to meet NTPA/PPL/Outlaw safety standards and chassis configurations. No component chassis allowed.

1. 640 CID and below
A. 3 X 4 turbo maximum
A compressor measurement to be measured at the face of the inlet and must protrude into the intake housing a minimum of 1/8 inch. Map width enhancement grooves allowed. NO SLUGGED DOWN TURBOS ALLOWED. Intercoolers allowed.
B. Bosch P-series pump Model 7100 maximum, 16mm barrel limit.
C. Weight – 9500 Lb.

2. 540 CID and below (Full Pull Productions and Interstate Pullers)
A. No turbo limit
B. Bosch A-series pump
C. Weight – 9200 Lb.

3. 540 CID and below
A. 4.1 turbocharger of any make and model. Billet intake and exhaust wheels allowed.
B. Bosch P-series pump Model 7100 maximum, 16mm barrel limit.
C. Weight – 9,000 Lb.

4. 540 CID and below
A. No turbo limit.
B. Bosch P-series Model 7100 maximum 16mm barrel limit.
C. Weight – 8700 Lb.

5. Front Hitch - All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3” diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle.

6. Exhaust - A smoke tube is required, indoor only. Exhaust must have two 3/8” bolts, grade 5 minimum, positioned in the exhaust tube 90 degrees to each other and with 1 inch of each other.




9,000 Super Farm


9,000 Super Farm: Rules


1.All tractors have to meet NTPA/PPL/Outlaw safety standards and chassis configurations. No component chassis allowed.

2. Cubic Inch Limit: 470 c.i.d.

3. Turbocharger Limit: ANY 3” intake by 3” exhaust turbocharger WITHOUT MAP enhancement grooves OR a STOCK - GARRETT GT-42 with STOCK MAP enhancement grooves.

4. Fuel Pump - Bosch P series pump Model 3000 and 7100 maximum size allowed, 16mm barrel limit.

5. Intercoolers will not be allowed.

6. Tires: 24.5 x 32 or 20.8 x 38 or 18.4 x 42 maximum.

7. Front Hitch: All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3” diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle.
8. Exhaust: A smoke tube is required, indoor only. Exhaust must have two 3/8” bolts, grade 5 minimum, positioned in the exhaust tube 90 degrees to each other and with 1 inch of each other.




9,300 Super Farm (NFMS Rules)


Super Farm
1. Maximum weight permitted 9,300#
2. Maximum cubic inch limit is 640. Maximum of 8 cylinders permitted.
3. OEM stock style head for that model or series engine permitted.
4. Intake manifold: Maximum inlet size 3.75” measured on the outside diameter. One inlet pipe only.
5. OEM exhaust manifolds for that model and series engine only permitted on cylinder head.
6. Intercoolers are NOT permitted with the use of water and/or ice only.
7. Overhead cams are not permitted.
8. Chassis-
8a. Components are not permitted.
8b.OEM rearend, transmission, and engine must be in stock location, bolted and secured to OEM chassis.
8c. Engine can not move independent or rearend/transmission housing(s).
8d. Stock transmission housing or manufacturer’s replacement and stock final drive housings or manufacture’s replacement.
8e. Chassis and frame must remain stock from rear of engine block to the rear of tractor.
8f. Tie bars are mandatory or full frame must be mounted rigid to engine, transmission, and final drive housings.
9. Fuel Systems: Largest fuel injection pump allowed will be P-pump OE housing with only one plunger per cylinder. No aftermarket pump housings permitted.
10. Turbos:
10a. Altering of turbo housing to accommodate a smaller foot or base will not be permitted.
10b. Exhaust housing and exhaust manifold bolt pattern shall be no larger than 2.75 X 3.5 inches.
11. Intake:
11a. Map width enhancement is allowed. Maximum map width .200”. MWE groove must be inside neck area where intake covered is measured at 3”
11b. Compressor wheel must protrude into three inch bore.
11c. Intake housings to be no longer than three inches at the face of the wheel.
12. Exhaust:
12a. All turbine wheel blades to protrude into three inch bore. All air must exit through 3” opening.
12b. Turbine wheel exhaust blade to be no less than 2.90” in diameter at intersection of turbine wheel face and tip diameter.
12c. Turbine housing to be no larger than three inches at intersection of turbine wheel face and tip diameter.
12d. Exhaust housing will be measured at intersection of turbine wheel face tip diameter.
13. No waste gates will be permitted.
14. No variable geometric turbos permitted.



9,500 Hot Farm


9,500 Hot Farm Rules

1. Weight – 9,500 lbs. P-pump or 10,000 lbs. A-pump
2. Front Hitch - All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3” diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle.
3. Hoods - Tractor must retain stock appearance and sheet metal stock location. Allow for updates.
4. Shields - All tractors must have a deflection shield on both sides of the engine, and cover the entire engine, either aluminum or steel not less than 0.060” thick. There must be a firewall that separates the operator from the engine compartment with no holes other than those used for controls to pass through. In that instance, each hole is not to have more that ½ inch clearance around the item passing through the firewall. .060” thick steel or .120” aluminum must run between the frames and under the harmonic balancer to prevent loss of harmonic balancer from the tractor.
5. Throttle - Throttle lever must have a spring installed such that if the throttle lever is released, the engine will return to an idle. Throttle must function such that moving the throttle lever forward, increases the engine’s RPM.
6. Fenders - All tractors must have fenders and must support weight of driver. Top of fender must extend no less than a 6” over the top of the tires.
7. Chassis - Maximum of 114” wheelbase unless originally produced with a longer wheelbase at which point the wheelbase will remain stock. Maximum length of 13 feet from center of rear axle to forward-most point of vehicle excluding the front hitch. No component tractors allowed.
8. Brakes - All tractors must have working rear brakes capable of sliding the rear tires.
9. Drawbar - Must be a minimum of 18 inches behind center of rear axle, a maximum of 20 inches in height, and be ridged in all directions. Hitching eye to be a minimum of 1 inch thick with a 3” by 3.5” inside diameter hole.



10. Cubic Inch and turbocharger combination:
· Ohio River Valley Pullers Association-Battle of the Bluegrass : 470 cid and 3” X 4” turbocharger: Single turbo with 3-inch diameter intake maximum. Diameter measured at front face of wheel. Compressor wheel must enter into the compressor housing. Map width enhancement grooves allowed.
. PPL Midwest Regional: 510 cid and 3” X 3.5” turbocharger: Single turbo with 3-inch diameter intake maximum. Diameter measured at front face of wheel. Compressor wheel must enter into the compressor housing. Map width enhancement grooves allowed.
10. Fuel - Stock fuel for make and model of tractor (No Compressed air, Nitrous Oxide or Fuel Conversions, No Propane, or Nitro Methane allowed) with exception of starting aid. Water injection allowed. NO INTERCOOLERS, OF ANY FORM OR SHAPE ALLOWED IN THE AIR INTAKE SYSTEM OF ANY TRACTOR.
11. Tires - 20.8 x 38 MAXIMUM with a MAP ENHANCEMENT RING TURBOCHARGER (3"x4", 3"x3.5" or 3"x3) NO 24.5 x 32 tires allowed NEW RULE FOR 2014!!!!
12. Fuel Pump - Bosch P series pump allowed. Model 3000 and 7100 maximum. NO 8000 series pumps allowed.
13. Engine - OEM stock block, head, intake manifold & exhaust manifold must be used for make and model of vehicle being entered. No aftermarket components allowed. No aluminum heads.
14. Stabilizer Bars - Stabilizer bars are required (no wheels allowed). The stabilizer bars cannot be bolted, welded, etc. to the drawbar in any way. The stabilizer bars must extend a minimum of 32 inches rearward from the center of the rear axle. The skid pad cannot be more than 10 inches off of the ground. The skid pad must be a minimum of 5” X 5” square. A minimum of 20 inches is allowed between the 2 skid pads. No cross bars are allowed on the stabilizer bars behind the point of hook.
15. Air Shutoff - Vehicle must have a cable operated engine air intake shutoff device. Device cannot be a ‘butterfly type’ and must be spring-loaded. Cable must be located approximately 4 feet above the point of hook and within 6 inches of the center of the vehicle. Device must prevent the engine from building boost. The sled requires a 2-inch ring or equivalent be attached at the end of the cable. Mount cable in clear view. Do not mount below weights.
16. Neutral Start – Vehicle must not be able to be started while in gear.
17. Clutch - Clutch and Flywheel Must Be Steel. Notarized papers required.
18. Clutch Blanket - Tractors must be equipped with a minimum of 17” wide, 6 straps SFI 4.2 clutch blanket. Blanket must overlap a minimum of 6 inches.
19. Dump Valve - A 3-way fuel dump valve is required ahead of the injection pump. This valve is to be operated by a cable on the dash.
20. Fire Extinguisher - Vehicle must be equipped with a minimum of a 2.5 lb dry type or a 2 lb Haylon type fire extinguisher that must be located within easy reach of the operator. Fire extinguisher must be fully charged.
21. Floorboard - All vehicles must be equipped with a floorboard.
22. Personal Safety Equipment - Driver must wear a helmet, snell rating of 85 or higher and a head sock. Driver must wear a fire suit jacket and pants, SFI 3.2A-1 minimum. Driver must wear SFI approved shoes. Driver must wear a minimum of SFI approved single layer gloves and neck collar.
Exhaust - A smoke tube is required, indoor only. Exhaust must have two 3/8” bolts; grade 5 minimums, positioned in the exhaust tube 90 degrees to each other and with 1 inch of each other.



9,500 Limited Pro Stock


9,700 lb. Limited Pro Stock Rules:

1. 640 c.i.d. and below

2. Bosch P-Pump Model 7100 maximum fuel pump length, 16mm maximum barrel size.

3. 4.1 turbocharger of any make and model. Billet intake and exhaust wheels allowed.

A compressor measurement to be measured at the face of the inlet and must protrude into the intake housing a minimum of 1/8 inch. MAP grooves NOT allowed. NO SLUGGED DOWN TURBOS ALLOWED.

4. 24.5 x 32 tires. HP Pullers ALLOWED!!!!



9,500 Pro Farm


9,500 lb. Pro Farm Rules:
1. Weight – 9,500 lbs. P-pump, 10,000 lbs. A-pump: (510 c.i.d. tractors may weigh 9,000 lbs.)
2. Front Hitch - All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3” diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle.
3. Brakes - All tractors must have working rear brakes capable of sliding the rear tires.
4. Drawbar - Must be a minimum of 18 inches behind center of rear axle, a maximum of 20 inches in height, and be ridged in all directions. Hitching eye to be a minimum of 1 inch thick with a 3” by 3.5” inside diameter hole.
5. Stabilizer Bars - Stabilizer bars are required (no wheels allowed). The stabilizer bars cannot be bolted, welded, etc. to the drawbar in any way. The stabilizer bars must extend a minimum of 32 inches rearward from the center of the rear axle. The skid pad cannot be more than 10 inches off of the ground. The skid pad must be a minimum of 5” X 5” square. A minimum of 20 inches is allowed between the 2 skid pads. No cross bars are allowed on the stabilizer bars behind the point of hook. In addition to stabilizer bars, the vehicle must have a brace that extends vertically 12” from the rear most tip of skid pads. There must be a support brace extending inward to frame, axle or top of stabilizer bar arms. Materials used must be of minimum strength of materials used for stabilizer bars. Design and material must withstand severe impact of sled. Vertical brace should extend rearward a minimum 2” from radius of rear tires.
6. Chassis - Maximum of 114” wheelbase unless originally produced with a longer wheelbase at which point the wheelbase will remain stock. Maximum length of 13 feet from center of rear axle to forward-most point of vehicle excluding the front hitch.
7. Tires - 20.8-38, 20.8-42 or 18.4-42 Cut tires allowed. Aluminum rims allowed. NWMTPA tractors can run 24.5 x 32. Tractors above 470 c.i.d. up to 510 c.i.d. must run 18.4 x 38 tires.
8. RPM - 3000 RPM maximum below 470 c.i.d. with any 3” inlet turbocharger, 3500 RPM maximum with a STOCK Garrett GT42 turbocharger. 3500 R.P.M. maximum with any 3” inlet turbocharger and Bosch Model A fuel injection pump. 3500 R.P.M. Indiana Pulling League tractors with 510 c.i.d. with Bosch Model 3000 P pumps, 3" inlet by 3.5" exhaust turbochargers, weighing 9,000 lbs. Vehicle must have an ISSPRO #019R8906 magnetic pickup attached to the front of the engine to measure engine RPM’s. The lead from the pickup to the rear of the vehicle is to be made of 14-16 gauge wire attached to a 110V, 3 prong female electrical outlet. The 2 wires from the pickup need to be attached to the 2 main spades, not the ground spade, of the electrical outlet. This outlet receptacle needs to be mounted next to the rear mounted air shutoff cable. Wire must be one (1) continuous wire outside the side rails and visible. NO SPLICES.
9. Fuel Pump - Bosch P series pump allowed. 13mm plunger diameter maximum. Only one plunger per cylinder allowed.
10. Engine - OEM stock block, head, intake manifold & exhaust manifold must be used for make and model of vehicle being entered. No aftermarket components allowed.
11. Cubic inch - 470 CID maximum.
12. Turbo - 3.0” maximum diameter of intake hole. Map width enhancement grooves allowed. No restriction on exhaust wheel size. STOCK GARRETT GT42 3” by 3” turbocharged tractors are allowed 3500 RPM. Exhaust housing mounting pattern must not be any larger than 2.75” X 3.5”.
13. Fuel - Diesel fuel only. Water injection allowed. NO INTERCOOLERS OF ANY SHAPE OR FORM ARE ALLOWED IN THE AIR INTAKE SYSTEM OF ANY TRACTOR!!!!!!!
14. Neutral Start – VEHICLES MUST NOT START IN GEAR!!!!!!!!!
15. Air Shutoff - Vehicle must have a cable operated engine air intake shutoff device. Device cannot be a ‘butterfly type’ and must be spring loaded. Cable must be located approximately 4 feet above the point of hook and within 6 inches of the center of the vehicle. Device must prevent the engine from building boost. The sled requires a 2 inch ring or equivalent be attached at the end of the cable. Mount cable in clear view. Do not mount below weights.
16. Dump Valve - A 3-way fuel dump valve is required ahead of the injection pump. This valve is to be operated by a cable on the dash.
17. Throttle - Throttle lever must have a spring installed such that if the throttle lever is released, the engine will return to an idle. Throttle must function such that moving the throttle lever forward, increases the engine’s RPM.
18. Clutch - Clutch must be SFI approved. Certification papers required.
19. Clutch Blanket - Tractors must be equipped with a minimum of 17” wide, 6 strap SFI 4.2 clutch blanket. Blanket must overlap a minimum of 6 inches.
20. Fire Extinguisher - Vehicle must be equipped with a minimum of a 2.5 lb dry type or a 2 lb Haylon type fire extinguisher that must be located within easy reach of the operator. Fire extinguisher must be fully charged.
21. Shields - All tractors must have a deflection shield on both sides of the engine, and cover the entire engine, either aluminum or steel not less than 0.060” thick. There must be a fire wall that separates the operator from the engine compartment with no holes other than those used for controls to pass through. In that instance, each hole is not to have more that ½ inch clearance around the item passing through the fire wall. .060” thick steel or .120” aluminum must run between the frames and under the harmonic balancer to prevent loss of harmonic balancer from the tractor.
22. Fenders - All tractors must have fenders and must support weight of driver. Top of fender must extend no less than a 6” over the top of the tires.
23. Floorboard - All vehicles must be equipped with a floorboard.
24. Personal Safety Equipment - Driver must wear a helmet, snell rating of 85 or higher and neck collar. Driver must wear a fire suit jacket and pants, SFI 3.2A-1 minimum. Driver must wear gloves, SFI 3.3-1 minimum.
25. ROPS must be modified to Maximum height of 8 feet 6 inches. It is optional to have a roll cage with an SFI, 5 point harness.
Exhaust - A smoke tube is required, indoor only. Exhaust must have two 3/8” bolts, grade 5 minimum, positioned in the exhaust tube 90 degrees to each other and with 1 inch of each other.




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