CLASS RULES

 No ATV’S, golf carts, etc. are permitted inside the PIT building at any time. Outdoor parking will be designated at the bottom of the PIT building ramp.

All vehicles are required to have a white neutral light.

DRAWBAR HOLE MEASUREMENTS

Tractors and trucks hooking to the Class 8 sleds at Keystone Nationals must have a drawbar hole that can accommodate the new hook and tab on the sled. This requires a hole that is 3″ wide by 3.75″ long. See illustration below for further dimensions, along with photo of the new hook. 

IMPORTANT! If your drawbar hole cannot accommodate the hook (this will be checked at teching), a torch will be available on site and the hole will be adjusted for a fee OR you will not be able to pull. PLEASE MEASURE YOUR DRAWBAR HOLE & MAKE NEEDED ALTERATIONS BEFORE ARRIVING AT THE PULL!

SMOKE TUBE REQUIREMENTS

Tractors and trucks requiring a smoke tube must include a mounting plate with bolts for smoke tube installed in a downward fashion to prevent catching on the outer liner of the main tube. Bolt threads must be facing downward and away from the smoke tube liner.

You must ensure that your tractor conforms to all smoke tube dimensions and no obstructions exist (ROPS, roll cage to pipe height, pipe brace, etc.).  Should you not be able to meet these requirements, you will not be permitted to hook and entries will be forfeited. See Tractor Smoke Tube specs and regulations here.

WARRANTY OF CLUTCH, FLYWHEEL AND BELLHOUSING COMPONENTS

Notarization required! Plan ahead! Keystone Nationals notarized clutch papers for the event will govern the clutch rule (no NTPA clutch certification needed). 

Download the Warranty of Clutch document here and:

• Fill out paperwork and have it notarized by your preferred local notary

Once notarized:

• Upload it during your puller registration process

– OR-

• Email it to Destinee at keystonenationalspullers@gmail.com prior to Keystone for a quicker check in upon arrival

– OR-

• Bring completed and notarized clutch paperwork to the event and turn in during check in at Keystone

IMPORTANT! In 2025, there will NOT be a notary on site at Keystone Nationals to notarize your clutch paperwork! If you show up without notarized clutch paperwork, you will have to find a notary on-the-spot in the Harrisburg area OR you won’t be permitted to pull.

PPL-RELATED CLASSES

Including 6200 Modified 4×4 Trucks, 8000 Super Stock Dual Fuel, 9300 Super Farm, 8500 Light Pro and 8000 Diesel 4×4 Trucks MUST have a safety hitch on the vehicle per PPL Rule Book guidelines. No exceptions to this rule will be made.

8000 Super Stock Dual Fuel will be governed as follows:

• Super Stock tractors will follow NTPA/PPL governed safety rules (the Association for your tractor). NTPA participants are required to have a safety hitch.
• Super Stock Alcohol:
  • 3+ Charger tractors – 7,800 lbs.
  • Up to 2 Charger tractors – 8,000 lbs.
  • 504 max. cubic inch.  No overhead cam permitted.
  • No Pro Stock tractors are permitted to run in the class.
• Super Stock Diesel tractors, component or ag chassis:
  • will weigh 8500 lbs.
  • Overhead cam permitted.
  • No Pro Stock tractors are permitted to run in the class.

Teching: 

• 8000 Diesel 4×4, 8000 Super Stock Duel Fuel and 9300 Super Farm will be teched by the current PPL Safety Rule Book (unless otherwise noted).
• 8500 Light Pro will be teched by the current NTPA Rule Book.
• 6200 Modified 4×4 trucks will be teched by the current PPL Atlantic Pro Pulling rules. 

INTERSTATE-RELATED CLASSES (ITTP)

• Diesel Tractors: 8500 Mod Turbo, 7700 Light Limited, 11,000 Hot Farm, 10,000 Pro Farm – OEM Commercial Pump Diesel Fuel Only. No accelerants, no mixed fuels, no VP fuels, no racing fuels. Fuel may be tested at the discretion of the event committee. 
• 10,000 Pro Farm class – 
• 7700 Light Limited Turbo class will be governed as follows:
  • Recast heads – 7,700 lbs.
  • Non-recast heads – 8,000 lbs.

Teching

• 1900 Small Block Mini, 2050 Big Block Mini, 4500 Small Block 4×4 Trucks, 8500 Modified Turbo, 10,000 Pro Farm, 7800 Modified and 7700 Light Limited Turbo will be teched by the current  ITTP Rules (click buttons below for respective class rules).
• In 2025 – 11,000 Hot Farm will solely follow ITTP Rules (click button below for full rules).