Tractor Pull

• Briefing: All drivers must attend a mandatory safety briefing and sign the attendance sheet.
• Behaviour: No alcohol or drugs permitted. Breath testing may occur; any positive test will result in disqualification.
• Speed Limit: Maximum speed at all times is walking pace.
• Officials: All officials' directions must be followed. The judges' decision is final.
• Track Access: Only competitors and officials are allowed in the competition area during pulls.
• Seatbelt and Attire: Drivers must wear:
  • A seatbelt if fitted
  • Non-synthetic clothing from wrist to neck to ankle
  • Fully enclosed leather footwear
• Crash Helmets: Drivers of tractors with open ROPS (Roll Over Protection Structure) must wear an AS1698-certified crash helmet.
• Seating: Drivers must remain correctly seated at all times during the pull.
• Passenger Policy: No passengers on tractors, sleds, or tracks. No passengers or spectators are allowed in the preparation area or on the pulling track.

Standard Form: All tractors must be unmodified and in standard form Type variations only allowed if:

• Conversion from kerosene to diesel accepted

• Originally available as a factory option

• Modern tyres required to replace obsolete sizes

• Rim spacers only allowed to fit modern tyres safely

Drawbars:

• Must be original manufacturer-supplied, in good condition

• No modifications permitted

• Max Height:

  • Under 25hp: 18” (457mm)

  • Over 25hp: 22” (559mm)

Weights:

• Maximum 2 wheel weights per wheel, not exceeding:

  • 2” (50mm) past tyre edge

  • Or 4” (100mm) depending on local event rules

• Only cast or steel manufacturer wheel weights permitted

• No other external equipment or weight attachments allowed

• Tandem Tractors: Only allowed at NHMA events with certified engineered hitch. Chain-linked tandem pulls are prohibited.

• Front Wheels: Must remain on the ground at all times. Any lifting will result in termination of the pull.

Neutral Check:

• Tractor must be stationary and in neutral with both hands raised before and after hook-up

Start and Stop:

• Pulls begin and end with a clear signal (flag or horn)
• A red flag or horn indicates immediate stop

Acknowledging Signals:

• Drivers must raise their right arm to acknowledge all official signals

Pull Timing:

• Pull must begin within 30 seconds of receiving the green flag
• No gear changing during the pull (including Power Shift)

Slack Take-up:

• Driver must take up slack in the chain under red flag, only begin pull once green flag is given and acknowledged

• Tractors will be assessed by an appointed Safety Officer or Safety Committee.
• Unsafe tractors or behaviour may result in exclusion from the event.