Doctor Preload Becomes GN SEMI Class Sponsor for 2023

Doctor Preload LogoColumbus, Ohio---The National Tractor Pullers Association and Doctor Preload have secured a sponsorship agreement for 2023. This new partnership is a class sponsorship in which all Grand National Semi Truck appearances will be called the “Doctor Preload Semi Truck Class” for the 2023 pulling season. This $10,000 sponsorship will be added to the year-end points fund.

Doctor Preload will also sponsor three additional events in Ohio and Pennsylvania as their commitment, to the Semi Truck class goes further than the Grand National season.

To be eligible for a payout, a vehicle must be registered for the 2023 Grand National Series and prominently bear Doctor Preload decals on both sides of the vehicle. Each pulling team will also display a Doctor Preload Banner in their pit area.

“Our organization is blessed to work with an industry leading semi-truck company. Their expertise, in the industry, is a great addition to our partner team. Our semi-truck pullers will benefit greatly this year.” said Gregg Randall, NTPA Executive Director.

Cynthia DeKuiper, President of Temper Corporation, stated, “It is an honor to partner with NTPA. We look forward to supporting the Semi Truck pullers for the 2023 season. Just as the NTPA is the Gold Standard in Truck and Tractor Pulling, Doctor Preload products continue to shape the future of a safe trucking industry.”

Headquartered in Fonda, New York, Doctor Preload is a product of Temper Axle, a company that has earned the trust of truck, bus, and specialty fleets around the world. They are backed by parent company, Temper Corporation, a leader in specializing bearing adjustment solutions for over 40 years. The company designs and manufactures products for a wide range of applications and industries.

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 Worthington, Ohio, the NTPA provides rules and regulations and the infrastructures required for organizations throughout the country to arrange truck and tractor pulls.

The 2023 NTPA Championship Pulling Circuit is sponsored in part by Case IH, O’Reilly Auto Parts, Hot Shot's Secret, Enderle Fuel Injection, MAC Trailer, Ag Protect 1, Cen-Pe-Co Lubricants, Midwest Wheel Inc., the National Tractor Pulling Championships in Bowling Green, Ohio, Profab Machine Inc., the Budweiser Dairyland Super Nationals in Tomah, Wisconsin, Riverside Engine Inc., Stainless Diesel, and Summit Racing 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 The 19th season of “NTPA CP” debuts on Tuesday, August 29.

Visit to purchase on-demand access to individually live-streamed truck and tractor pulling events. Or go all-in on the $349 Yearly Pass and get live and on-demand access to all streamed summertime NTPA events plus current and past episodes of "NTPA Championship Pulling" included! Purchase each stream or 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), and Instagram (ntpa), or call the NTPA office at 614.436.1761.

Contact Info

National Tractor Pullers Association
6155-B Huntley Road,
Columbus, OH 43229

PHONE: (614) 436-1761

FAX: (614) 436-0964