Class Qualifications
Stock Antique (1935-1959)
- A) No cut tires
- B) Out of field appearance
- C) Maximum tire size - 3500 to 7500 (18.4) / 8500 to 14500 (22.5)
- D) Add on weights allowed ( between front and rear wheels)
- E) Speed limit 4 MPH F) Kill Switch/Wheelie bars recommended
Stock and Super Antique
- A) Cut tires allowed
- B) T/A, Turbo, Multi-Power allowed
- C) Speed limit 6 MPH
- D) Kill switch and wheelie bars required
- E) Engines over 3000 RPM must have electric fan and clutch blanket.
Open Gear
- A) Cut Tires
- B) Speed-safe operating speed
- C) T/A, Multi-Power/Turbo allowed
- D) Kill switch and wheelie bars required
- E) Engines over 3000 RPM must have electric fan and clutch blanket.
Farm Stock ( 1960 – present )
- A) No cut tires
- B) Speed – 6 MPH
- C) T/A, Multi-Power/Turbo allowed
- D) Kill Switch / Wheelie Bars required
Farm Stock/Modified Farm Stock ( 1960 – present )
- A) Cut tires allowed
- B) Speed – 8 MPH
- C) T/A, Multi-Power/Turbo allowed
- D) Kill Switch / Wheelie Bars required
- E) Engines over 3000 RPM must have electric fan and clutch blanket.
Open Gear Farm Stock/Modified Farm Stock ( 1960 – present )
- A) Cut tires allowed
- B) Safe operating speed
- C) T/A, Multi-Power/Turbo allowed
- D) Kill Switch / Wheelie Bars required
- E) Engines over 3000 RPM must have electric fan and clutch blanket.
V-8 Modified
- A) 4500 and 5500 weight class
- B) Rop/Roll Cage, kill switch and wheelie bars required
- C) Single carburetor gas or racing fuel only
- D) No engine driven fans
- E) Steel shield or blanket wrap for bell housing
- F) Draw bar same as general rules
- G) Any tractor deemed unsafe will not pull