Phone:  1-888-FULPULL (385-7855) eMail:  Info@PullTown.com Next Event:  August 17-19, 2017
Pull Town - 2017 National Tractor Pulling Championships
 
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Vehicle Classifications

Two Wheel Drive Trucks

  • Single automotive type V-8 engine
  • Maximum 575 cubic inches, turbos or superchargers allowed
  • 15' maximum length from front of truck to center of rear wheels
  • Maximum width: 8 ft.
  • H.P. ranging between 1,200 to over 2,000
  • Rear tires 18.4 x 16.1 inches, maximum circumference 143 inches on 18" rim at 28 psi.
  • Maximum total vehicle weight: 6,200 lbs.
  • Planetary rear end allowed

Four Wheel Drive Trucks

  • Single naturally aspirated automotive type engine
  • Maximum 650 cubic inches
  • Maximum 133" wheel base
  • H.P. ranging between 1,000 to 1,300
  • Tires may not exceed 18" tread width by 38" high
  • Maximum total vehicle weight: 6,200 lbs.
  • Must maintain original appearance, w/hood, grill & fenders in place as intended by manufacturer
  • Tires: maximum 112 inch circumference on 20 inch rim, at 30 psi.

Mini Rods

  • Single automotive type V-8 engine
  • Maximum 575 cubic inches blown, 650 cid naturally aspirated
  • H.P. from 1,800 to 2,000
  • 8' Maximum length from center of rear wheels
  • Maximum width of 6'
  • Rear tires maximum 18.4 x 16.1 inches, maximum circumference 143 inches at 28 psi,
  • Maximum total vehicle weight: 2000 lbs. (increased in 2000)

Super Farm

  • Engine: Size limited to 640 cubic inches
  • Stock agricultural head on engine
  • Stock intake an d exhaust manifolds
  • Compete at 9,300 lbs.
  • Tires a maximum of 48 lugs on a 24.5 by 32 tire
  • Retain stock appearance

Open Super Stock

  • Stock or OEM block
  • H.P. up to 2000
  • Diesel or Alcohol powered
  • Stock crankshaft, transmission housing and final drive
  • Stock frame, hood and grill
  • Maximum 114" wheelbase
  • Maximum length of 13' from center of rear wheels
  • Rear tires 30.5" maximum width
  • Up to 4 turbos at 250 psi boos
  • SFI 4.2 bellhousing blanket required

Diesel Super Stock

  • Same as above, but only diesel powered vehicles

Pro Stock

  • Engine: Must be mounted in original position
  • Hood & grillwork mounted in original location as intended by manufacturer
  • Maximum weight: 10,000 lbs.
  • Limited to 1 turbocharger
  • Tires: Maximum width, 24.5"
  • No engine larger than 680 cid (+ or - 1%)

Modified

  • Fuel: Gas or Alcohol
  • Engines: Limited number depending on engine type, any combination
  • Maximum length 14' forward of the center of rear wheels
  • No motor or cubic inch limit
  • H.P. ranging from 6,000 to 11,000
  • Rear tires 30.5" maximum width
  • Maximum total vehicle weight: 7500 lbs

Unlimited Modified

  • Maximum weight 8000 lbs.
  • Fuel: Gas or Alcohol
  • Engines: Unlimited - any number or combinations of engines or type
  • Maximum length 14' forward of the center of rear wheels
  • No motor or cubic inch limit
  • Rear tires 30.5" maximum width

Super Semis

  • Maximum weight 20,000 lbs. with 250 inch maximum wheelbase
  • One production available commercial truck engine allowed
  • Stock appearance truck of that year
  • Road use approved tires that are available to the public
  • Only tandem axle semi-trucks
  • Only two stages of air pressure allowed with combination of turbo and/or supercharges

 

 

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