Correction to Rules for the 2023 Rulebook

Page 75 at top under both 1) and 2)

the letter d) rule should be deleted.

d) Rotors must be contained within a one-piece rotor case. 

Light Limited Super Stock subsections 1. Engine o) & p) & 2. Turbocharger Restrictions

o) Maximum of 470 cid. for single turbocharged diesel engines.

3.This engine combination can run a maximum of one (1) 3.4X4-inch smooth bore turbo OR (1) 3×4 turbo with maximum of .200-inch MAF enhancement ring, no forward facing MAF.

p) Maximum of 370 cid. for single turbocharged alcohol engines.

1. No intercoolers allowed.

2. This engine combination can run a maximum of one (1) 3X4 smooth bore turbocharger.

2. Turocharger Restrictions

a) All turbo compressor and exhaust wheels must protrude into the housing restricted opening no less than 1/8-inch.

b) Engines limited to a 3×4-inch turbo, the 3-inch compressor wheel must protrude into the housing 1/8-inch and compressor wheel must measure no larger than 3 inches at face of wheel.

c) Diesel engines limited to a 3.4X4-inch smooth bore turbo, the compressor wheel must protrude into the housing 1/8-inch and the compressor wheel must measure no larger than 3.400-inches at face of the wheel.

d) No superchargers allowed.

About the National Tractor Pullers Association

The NTPA is the sport’s oldest and most respected truck and tractor pulling sanctioning organization. Governed by a board of directors, the NTPA is managed by World Pulling International (WPI), an independently owned entity. Headquartered in Columbus, Ohio, the NTPA provides rules and regulations and the infrastructures required for organizations throughout the country to arrange truck and tractor pulls.

The 2024 NTPA Championship Pulling Circuit is sponsored in part by Case IH; Beck’s Hybrids; Hot Shot’s Secret; Enderle Fuel Injection; MAC Trailer; O’Reilly Auto Parts; Cow Tales; Cen-Pe-Co Lubricants; Ag Protect 1; and STOP-FYRE.

Grand National Divisional Sponsors include New Fields Ag (Super Stock Diesel), Hi Torque (Super Farm), Yoder Popcorn (Pro Stock), CM Pulling Tires (Two Wheel Drive), Doctor Preload (Super Semi), and GMS Manufacturing & Machine (Light Modified). Region IV is sponsored by Pro Puller Tires. Point fund sponsors include the National Tractor Pulling Championships in Bowling Green, Ohio; the Budweiser Dairyland Super Nationals in Tomah, Wisconsin; Heritage Iron Magazine; and Midwest Wheel Inc.

Watch “NTPA Championship Pulling” presented by Case IH: Tuesdays at 6:30 p.m. Eastern/5:30 p.m. Central. Encore performances appear on Mondays at 12:30 a.m. and 6 a.m. Eastern. RFD-TV is available on satellite through DirecTV (345), Dish Network (231), and AT&T (568) along with Spectrum/Time Warner, Brighthouse, Comcast, Charter, Suddenlink, Cox, and other cable providers. Check your current provider for details or visit the channel finder at

Established in 2021, Full Pull Entertainment is a trailblazing force in the world of truck and tractor pulling. The platform offers detailed data and engaging content, catering to both new and seasoned fans, guiding them through the excitement of the betting process. With strong industry relationships, Full Pull is not only redefining fan engagement but also propelling a 75-year-old sports phenomenon into the 21st century with a dynamic blend of tradition and innovation. For more information about Full Pull, to watch the first stream, or to sign up for the free-to-play contests, please visit

Visit to purchase access to past and current “NTPA CP” episodes and archived video of live events up to 2023. Purchase the package in your browser at and watch there or via the app on popular smart tv platforms including Roku, AppleTV, and AndroidTV and on both Apple iOS and Android mobile devices.

Wear it loud! The store has pulling apparel in fresh, new designs for fans of all ages and sizes. Hats, event shirts, hoodies, pins, and patches all sport the iconic NTPA shield that represents excellence in premier-level pulling. Event, TV series, and special DVDs let you watch pulling action on your schedule. See it all at

For more information about the NTPA, visit our website,, follow us on social media at our Facebook page (ntpapulling)Twitter (@NTPApull)YouTube (NTPApull), Instagram (ntpa), and TikTok (@nationaltractorpulling) or call the NTPA office at 614.436.1761.

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