Rules for classic classes only:
Rules for classic classes only:
Classic 1962 and thru production
3000-10000# at 500# increments
A speed of 3 ½ MPH and no faster. 10% OVER STOCK RPM.
All tractors must have original block, cylinder heads, and transmission according to parts book for that year. No locked or welded differentials will be allowed. An air filter must be used, although, it may be any type. No fixed side shields will be allowed. Original equipment manufacturer’s pedestal only. No add on fuel pumps allowed. No stripping such as starters, front wheels, etc…. and tractor must be field ready.
Turbochargers are allowed if the tractor originally was equipped with one (example Allis Chalmers D-19, Oliver 99 Detroit). The turbocharger will be of original size and type that the tractor was equipped with.
No altered tires. Tire size will be no bigger than 18.4x38. Tire and rim to factory specifications. No tire chains, dual, or radial tires.
Draw bar will be stationary in all directions and have a clevis or loop. Drawbar will be no higher than 18” and a minimum of 18” from the pull point to the center of the rear axle and pull point original factory belly pull point of tractor.
WHEELIE BARS-WHEELIE BARS ARE MANDATORY. Wheelie bars must be capable of supporting the weight of the tractor in that weight class. If questioned, bars will be checked. SPECIFICATIONS FOR WHEELIE BARS: must be a minimum length, the front edge of the stabilizer pad can be no further forward than the rearmost portion of the tire. The pads must not be more than 10” off the ground and must be a minimum of 5”x5”x¼” and a minimum of 20” apart. No “tattle-tail” chain will be used with wheelie bars. If wheelie bars are not used a 16" drawbar is required.