No add on weight brackets of any type
Stock drawbar no higher that 18″ to hitch point. Hitch point at least 24’ back from center of rear axle.
Stock RPM’s with 5% error. 3 mph speed limit with no on-the-go shifting use any gear. No stroker cranks or any other crank other than stock.
Pressed steel wheels allowed
with axle adapters. No widened rims or oversize rims for tire width must be tire manufacturers recommended rim width.. No suitcase or hang on weights allowed. Factor correct frame bolt on weights allowed. Loaded tires allowed. Wheel weights bolted or mounted to wheels only. of any kind.Tire size limits per weight classes listed with stock width rims:
2750 tire limit 12.4
3500 through 4500 tire limit 15.5
5500 through 6500 tire limit 16.9 X 38, may use 18.4 on less than 38″ rim
7500 and above tire limit 18.4
Division 2
- Wheelie bars required after first pull attended
- Tires may be top-cut only.
- Stock RPM’s with 20% error. No turbo’s allowed. 3.5 speed limit with no shifting after 50 foot line
- Weights and brackets not to extend more than 24″
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in 2750 – 3500 classes. Weights no further than 11 feet from center of rear axle in all classes above 3500. Rear weights not to extend beyond rear tires.Drawbar no higher than 18″.
Pressed steel wheels allowed with axle adapters. Rim size as per tire manufacturers recommendation.
No stroker cranks or any crank other than stock.
Tire limits the same as Division 1.
3000lb tire size 13.6
Hitch point at least 20″ back from center of rear axle.
Division 3
Stock RPM’s with 20% error. 4 mph limit with no shifting after 50 foot line.
Allow factory tractors with turbo chargers from the factory compete in 6000 weight class and heavier.
Weights no further than 11 feet from center of rear axle. Rear weights not to extend beyond rear tires.
Electronic ignitions allowed but no rev limiters.
Drawbar no higher than 20″.
Pressed steel wheels allowed. Widened or oversize rims may be used.
Tire limits: 18.4 X 38
Hitch point at least 18″ back from center of rear axle.
Division 4
Special rules and limits: For Weights
, 5000, 5500, 6000, 6500, 7500, 8000, 8500, 10000Wheelie bars required
Any cut tires allowed
Stock RPM’s with 20% error. No Speed limit
Special rules for 7500 and higher classes: 3000 RPM limit. Diesel, Gas or LP engines – Turbos allowed
Division 5
Special rules and limits: For Weights
4750, 5500, 6500, 7500, 8000, 8500, 10000Wheelie bars required
Naturally aspirated engines only in 3500 through 4500 classes. Gas, Diesel or LP.
5500 and above may be naturally aspirated or turbocharged. Gas, Diesel or LP.
Tractors must be stock appearing for make and model.
No limit on
horsepower, cubic inch or age limits.Tires may be any size and cut.
Homemade manifolds allowed.
No nitrous oxide or mixing fuels
Electric or mechanical fuel pumps may be used.
Carburetor must be single barrel updraft – any size.
No fuel injection on gas tractors. No throttle body injection.
Diesels may use any size injection pump using adapter plates.
Block or crankcase
must be correct manufacturer for brand. Must bolt in stock location.Exhaust must have single pipe discharged vertically. Headers allowed under the hood and behind side panels.
Cast iron heads only from correct manufacturer, Diesel heads can be converted to gas. No overhead cams.
Limit of 4000 RPM’s with factory flywheel. Over 4000 RPM’s, steel flywheel is required.
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Division 6
V-8 Hobby Tractor Weight 5500lbs
Rules to follow local pulling rules with all safety equipment (Local Nostalgia class rules)
Division 7
Limited Modified
Special rules and limits: Weight 600lbs
One (1) engine, no larger than V8 Must have fenders
Gas or alcohol
One (1) carburetor, no size limit Muse have Wide front end
30.5 X 32 rear tire size limit
Any rear end
No nitrous, propane or other bottled fuel
No fuel injection
Must have all safety equipment
18.4 tire limit for all weights
Engines must be stock appearing
Tractor and frame must remain stock appearing.