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Wyoming Axle Weight Limits

Axle spacings and weight calculator

Max Legal Weight for GVW under 80,000 lbs and Max Permitted Weight for GVW over 80,000 lbs

Vehicle configuration

Maximum Legal Weight Allowed

Axle Group

Maximum

Single

20,000 pounds

Tandem (Two Axle)

34,000 pounds

Tridem (Three Axle)

42,000 pounds

Gross Vehicle Weight

80,000 pounds

Maximum Permit Weight Allowed

  • 600 pounds per inch of tire width;
  • 21,500 pounds per axle;
  • 43,000 pounds per tandem axle;
  • 53,000 pounds per tridem (wheelbase more than 8 feet and less than 13 feet);
  • 160,000 pounds gross weight.

In no case may the gross weight exceed the sum of the permitted axle, axle group weights, or the weight specified by the permit, whichever is less. A minimum of five axles required when hauling. Self-propelled or towed vehicles may have less than five axles.

Axle Group

Maximum

Single

21,500 pounds

Tandem (Two Axle)

43,000 pounds

Tridem (Three Axle)

53,000 pounds

Gross Vehicle Weight

160,000 pounds

Source of information: https://www.wsdot.wa.gov/publications/manuals/fulltext/M3038/WRPDG.pdf
http://www.dot.state.wy.us/home/trucking_commercial_vehicles.html
http://www.whp.dot.state.wy.us/files/live/sites/whp/files/shared/Misplaced%20files/Rules%20Governing%20Truck%20Sizes%2cWeights%20%26%20Permits.pdf

See Also:

Wyoming Oversize / Overweight Regulations

Wyoming Oversize Signs, Lights, Flags Regulations

Wyoming Frost Laws

Wyoming Tire Regulations

Wyoming Fines And Penalties