1959 and older in all Divisions
20” Drawbar in all Divisions
Weight Classes in all Divisions: 3500, 4000, 4500, 5000, 5500, 6000, 6500, 7000
DIV 0 – Farm Stock (“Off the Farm/Out of the Barn” tractors) (3 MPH)
- 3 MPH speed limit
- 10% RPM
- No Cut, Shaved or Altered Tires
- Tractors in Div 0 can only pull in Div 0
- Wheelie Bars optional
DIV 1 – Super Farm Stock (3 MPH)
- 3 MPH speed limit
- 10% RPM
- No Cut, Shaved or Altered Tires
- Max Tire size calculation of 69 is determined by the following formula. (Tire Width X 2) + Tire Diameter.
- Max tire size is 15.5×38, 16.9×34 – 16” max rim width.
- Wheelie Bars recommended
DIV TC – TOP CUT TIRES ONLY (4 MPH)
- 4 MPH speed limit
- 20% RPM
- Max Tire size calculation of 69 is determined by the following formula. (Tire Width X 2) + Tire Diameter.
- Max tire size is 15.5×38, 16.9×34 – 16” max rim width.
- Top Cut Tires Only
- Wheelie Bars Required
DIV 2 – Modified Stock (4 MPH)
- 4 MPH speed limit
- 20% RPM
- Max Tire size calculation of 74.8 is determined by the following formula. (Tire Width X 2) + Tire Diameter.
- Max tire size is 18.4×38, 18.4×34. All Classes.
- Cut, Shaved or Altered Tires allowed.
- Wheelie Bars Required
DIV 3 – Pro Stock (6 MPH)
- 6 MPH speed limit
- 20% RPM
- Max Tire size calculation of 74.8 is determined by the following formula. (Tire Width X 2) + Tire Diameter.
- Max tire size is 18.4×38, 18.4×34. All Classes.
- Cut, Shaved or Altered Tires allowed.
- Dead man throttles, except hand clutch tractors (hand must be on the clutch while pulling) are recommended.
- Wheelie Bars Required
DIV 4 – Super Pro Stock (8 MPH)
- 8 MPH speed limit
- 20% RPM
- Max Tire size calculation of 74.8 is determined by the following formula. (Tire Width X 2) + Tire Diameter.
- Max tire size is 18.4×38, 18.4×34. All Classes.
- Cut, Shaved or Altered Tires allowed.
- Dead man throttles, except hand clutch tractors (hand must be on the clutch while pulling) are recommended.
- Side shields 1/16″ steel OR 1/8″ aluminum recommended.
- Wheelie Bars Required