900 Lbs. 12 H.P. Modified
Contest open to riding lawn and garden tractors. Standard lawn mower type engines. Tractors must be stock in appearance. 30.5 c.i. is the maximum displacement for single cylinder flatheads. 25 c.i. maximum displacement for single cylinder OHV. Maximum carburetor venturi size 1.200 inch. Governors are optional. Porting and Polishing is allowed. After market heads, cams, blocks, cranks,pistons, rods, valves and etc. are allowed. Motorcycle carburetors are allowed. Any type tractor tires may be used in this class. Any tread pattern may be used. Transaxles may be locked.
