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GCATPA D Class Rules

1975 AND UNDER

1. 10MPH SPEED LIMIT New 2024
2. RPMS MUST BE WITHIN 20% OF MANUFACTURER RECOMMENDED HIGH IDLE.
3. NO CUT, ALTERED, SHAVED OR GROOVED TIRES. 20.8 MAX. *RADIALS PERMITTED.
4. HITCH HEIGHT IS 20" MAXIMUM. CENTER OF AXLE TO POINT OF HOOK, MEASURED HORIZONTALLY, CAN BE NO LESS THAN 18". TRACTORS MUST BE EQUIPPED WITH A PLATE WITH A 3"x3.75" HOLE OR CLEVIS TO PULL FROM DRAWBAR ASSEMBLY, RIGID IN ALL DIRECTIONS, WITH NO HOOK RESTRICTION AT HOOK POINT.
5. REAR WEIGHTS ARE NOT TO EXTEND REARWARD MORE THAN 6" PAST THE FURTHEST PART OF THE REAR TIRE.
6. FRONT WEIGHTS CANNOT EXTEND MORE THAN 11' FROM CENTER OF REAR AXLE.
7. TRACTORS MUST HAVE STOCK ENGINE BLOCK, HEAD, FRAMING(NO ALUMINUM), TRANSMISSION, REAR END, INTAKE AND EXHAUST MANIFOLDS. CARBURETOR MUST BE STOCK OR MANUFACTURED REPLACEMENT. NO HOMEMADE OR MODIFIED INTAKE OR EXHAUST MANIFOLDS. ALL MANIFOLDS MUST BE FOR THAT MODEL OF TRACTOR. DIMENSIONALLY CORRECT REPLACEMENT BLOCKS WITH SAME NUMBER OF CYLINDERS ARE ACCEPTABLE. HOOD AND GRILL MUST BE IN PLACE AND HAVE STOCK APPEARANCE AS BY THE MANUFACTURER.
8. 1975 AND OLDER. MODELS BUILT IN 1975 WILL INCLUDE FULL PRODUCTION RUN
9. *FOUR WHEEL DRIVE PERMITTED IF FRONT AXLE IS LOCKED OUT.