Stock Class
- Tractor must be stock in appearance with stock frame, wheelbase, engine and transaxle
- Maximum distance from center of rear axle to farthest point forward including weights is 70”
- Speed restriction: 4MPH max. Horn will sound over this speed and run will be disqualified.
- Weight: Max total weight with driver and helmet: 1000lbs
- Rear Tires/Wheels: Max tire size: 23” x 10.5” x 12” Turf type only – No cut tires or ATV tires
- Front Tires/Wheels: Must maintain minimum diameter of stock OEM
- Engine: Max HP/Cubic Inches:18hp/35.9. Must be stock and have been used by manufacturer in this particular model. Boring to .030 over stock is permitted
- Max RPM 3800
- Must use stock air cleaner
- All general and engine rules apply