Wheel & Tire Protrusion in Montana
Vehicle type: Truck
Montana requires fenders, splash aprons, or flaps on the rearmost wheels of every vehicle except motorcycles, quadricycles, motor-driven cycles, and farm tractors — but sets no limit on how far a tire may protrude.
Verified against primary sources · August 2026
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Frequently Asked Questions
Are wheel & tire protrusion legal in Montana?
What are the wheel & tire protrusion limits in Montana?
Are there exceptions for wheel & tire protrusion in Montana?
Street-legal wheel & tire protrusion picks
Gear that helps you mod without a ticket in Montana.
The standard fix when wheels stick out past the fender line.
Mud flaps →Several states require them once tires extend beyond the body.
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