11,000 Altered Farm Rules for 2025

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Engine

1. 466 ci with 2% allowances.
2. Intake hose on Turbo must be easily removable for inspection purposes.
3. Injection pump will be limited to nothing bigger than a A-pump.
4. Water Injection is allowed with no accelerants.
5. NO Intercoolers allowed.
6. Exhaust must exit at least 18” above the hood and have two 3/8 bolts through the pipe forming a cross to prevent parts from exiting the exhaust.
7. Must have a metal shroud around the fan. 360 degrees of 1/8 inch Metal. Electric fans are permitted.
8. Must run a steel flywheel. No cast flywheels allowed.
9. Side shields required.
10. No aftermarket transmissions are allowed.
11. Turbo must be 3x3 Smoothbore Box charger. Borgwarner Part # 177101 from Brian Wright at Wright’s Performance (540) 974-7852

Tire & Wheel Limitations 

1. 20.8 x 38 or a 18.4 x 42 will be the maximum size tire allowed.
2. Top Cut Tires will be allowed. No alterations to front edge of bar.
3. Aluminum wheels are allowed on the front only.

Chassis and Hitch

1. Maximum hitch height will be 20”.
2. Minimum of 18” from center of rear to hitch point.

Safety

1. Wheelie bars, must have 5x5 inch pad, no more than 10 inches from the ground (must be 3 inches from farthest point of rear tire to front of the pad.
2. A working air shut-off must be installed to connect to the sled.
3. All tractors must be equipped with a fire extinguisher.
4. All tractors are subject to be teched at any event.

Also in 11,000 Altered Farm

11,000 Altered Farm Overview
11,000 Altered Farm Points
General Rules