The Pro Farm Tractor class is probably the closest tractor class you will see that resembles a farm tractor. These tractors feature a 466 engine that spins a 3″x3″ turbocharger to try and lay all the power they can to the ground using the 20×8″ x 38″ radial tires. If you haven’t seen these 10,000 pound tractors in action, then you are in for a treat as they play by the game of inches!

The Super Farm Tractor class is probably the closest tractor class you will see that resembles a farm tractor. Weighing in at 9,300lbs, the Super Farm Tractor produces its power on a single 3″x3″ turbo charger and a 640 cubic inch power plant to get down the track. This class is known to be one of the closest in competition as you could see the entire class finish within a couple feet from first to last.

The Limited Pro Stock Tractor class may look similar to the Super Farm class, but looks can be deceiving. Limited to a 4.1 inch turbo charger and 640 cubic inches, these 9,500lb tractors have become one of the more popular classes in the Dairyland. Whether it’s on the state level, or regional level, this class has grown rapidly over the last couple years and caught the attention of many pullers and fans!

For many, the Light Pro Stock class has a feeling of nostalgia for what the Pro Stock Tractor class used to be. Years later, the Light Pro Stock Tractor class has grown to a popular class on the state and regional level. With only 540 cubic inches, they need to find their power elsewhere and that answer lies in a turbo charger of any size! The way to keep these tractors from making too much power is to limit them to an 8,500lb ag-style chassis. Many like to refer to this class as the “whomp, whomp” class for the sound these tractors make while idling.

A relatively new class to the WTPA, the Light Limited Super Stock Tractor class is one of the more diverse classes when it comes to brands. From John Deere, Case, Ford, and even Allis-Chalmers, there is sure to be a tractor for all fans to cheer for. These tractors weigh in at 6,250lb and are limited to a 3″x4″ turbo charger. Cubic inches vary depending on the setup the owner decides to run. It can’t go without mentioning that the Light Limited Super Stock Tractor class brings back the alcohol vs. diesel tractor battles, as this class allows for both fuel types, making it a fan favorite!

These high flying tractors are known for their amazing wheel speed and wild rides. Weighing in at 6,200lbs, the Light Super Stocks are the lightest tractors the WTPA has to offer. Limited to 504 cubic inches, these tractors run on alcohol or diesel and may run up to four turbochargers! You may not believe it, but this is the WTPA’s most powerful class when it comes to horsepower! The Light Supers are growing in popularity each year and are known to be a class that brings a variety of brands to the track for competition.

Known for their high horsepower and tremendous amount of boost, the Heavy Super Stock Tractors are guaranteed to get you on the edge of your seat! Weighing in at 8,000lbs, the Heavy Super Stocks Tractors run on alcohol or diesel and may run up to four turbochargers just like their little brother, the Light Super Stock Tractor! When you hear these tractors spool up at the line and light the fire, you will have goosebumps up and down your arms with how intense these tractors sound!

The Modified Mini Tractors may be small, weighing in at 2,050lbs, but watching this class will keep you on the edge of your seats. With a 14-71 supercharger mounted on top of a maximum 575 cubic inch motor, these little hot rods are making well north of 2,500 horsepower. What makes it even more crazy are the drivers literally straddling all that horsepower between their legs for 300′ down the track!

The Modified Tractors are the highest horsepower producing tractors we offer with tractors exceeding 6,000 horsepower! The fact these tractors are allowed up to three supercharged 575 cubic inches engines may be in part to why they produce those type of numbers! If you want to feel the ground shake beneath you then you need to come see these monsters in action!

The Two Wheel Drive Truck division is a class most people closely relate to drag racing. With similar body styles of that of a funny car, these trucks are supercharged with a 14-71 supercharger pushing all the air into a motor limited to 575 cubic inches. Running on alcohol, the Two Wheel Drive Trucks need to find a way to get all the power to the track when doing some pretty amazing wheel stands! These 6,200lb machines come in many different styles produced by mostly American-made brands that give the fans someone to cheer for.

You may think these trucks would have driven right from the street if it weren’t for their headers sticking through the hood. They resemble a stock truck in many ways including the DOT tires, OEM frame, and stock body. Limited to 530 cubic inches and running on race gas, these trucks are no joke as they ride the RPM’s and scream their way down the track.

Referred to by many as a drivers class, these carbureted behemoths are limited to 650 cubic inches of alcohol fueled madness. Many of the trucks you will see are American-made body styles which give fans the battle of Dodge vs. Ford vs. Chevy. It takes a lot of finesse while steering and throttling these trucks down the track and it’s not uncommon to see these trucks start hopping. As most of the weight is on the nose of the truck, one small bump can cause the rear-end to unload causing the truck to bounce it’s way down the track. No matter what happens, these 6,200lb trucks will be throwing dirt backwards as it settles all four tires into the track!

The newest class to the WTPA, the Pro Street Diesel Trucks is a popular class for the younger generations. Fans shout and cheer their brand loyalty as these 8,000lb pickups are making their way down the track. All trucks run a 2.6″ turbocharger to produce the power to try and inch out the close competition. Running an OEM body and DOT tires makes this class easy to relate to a truck cruisin’ the streets.