Welcome to the world of diesel-powered "smoker" pulling tractors ... See All 7 Photos Pro Stock is the smoker tractor class that really gets every fan's blood pumping. There are many factors ...

On Tuesday, starting at 5 p.m. the modified tractor pull begins with stock, multi-engine, pro-stock and open classes ... Walter has been building and running pulling tractors for over 20 years ...

Sled-pulling competitions are a big deal in rural ... nitro-burning DIY creations that fit into one of six different classes: Pro Stock Tractor, Super Stock Tractor, Two Wheel Drive, Four Wheel ...

During a recent sled pulling event in White Plains, Georgia, a wide range of Limited Pro Stock diesel trucks showed up to put on a show using their modified Cummins and Duramax power units.

“Pro Stock Tractors are the most popular pulling class in the nation,” says Elsing. “The Badger State Tractor Pullers is the only pulling organization in Wisconsin that offers the Pro Stock ...