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Arkansas 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

The rules and regulations as described herein are designed to permit, under special conditions, and to ensure the safe movement of vehicles and/or equipment which exceed any one or more of the following legal limits for dimension and/or weight:

  • 80,000 pounds Gross Weight of vehicle/s and cargo on 5 or more axles.
    Must meet the federal bridge formula for 80,000 pounds.
    Secondary highways are restricted to 40 MPH, and may be posted for a lesser weight.
  • 20,000 pounds on Single Axle;
  • 34,000 pounds on Tandem Axle;
  • 12,000 pounds on Front Axle, except vehicles of special design.


Axle Group

Maximum

Single

20,000 pounds

Tandem

34,000 pounds

Front Axle

12,000 pounds

Gross Vehicle Weight

80,000 pounds

Maximum Permit Weight Allowed

Steering Axle

The Director may issue permits for a maximum single front/steering axle weight not to exceed 18,000 pounds and a maximum tandem front/steering axle weight not to exceed 32,000 pounds for vehicles of special design, equipment, or construction, engaged in occasional or specialized heavy hauling such as, but not limited to, hauling of heavy machinery, commodities which require specialized equipment, oil or gas field equipment, or similar equipment for a period of not more than 12 consecutive months, upon written application containing satisfactory proof that such vehicle(s) are used solely for the above purposes.

Single Axle Load Permitted

No permit shall be issued for the movement of a vehicle, except off-the-road vehicle and/or equipment, if the gross weight imposed upon the highway by the wheels of any one single axle exceeds 20,000 pounds.

Tandem Axle Load Permitted

The total gross load that shall be permitted upon the highways on a tandem configuration shall not exceed 40,000 pounds, and no one axle of any such group shall exceed 20,000 pounds.

Tridem Axle Load Permitted

The total gross weight permitted in a tridem configuration shall not exceed 60,000 pounds, and no one axle of any such group shall exceed 20,000 pounds.

Quadrum Axle Load Permitted

The total gross weight permitted on the highways by a quadrum configuration shall not exceed 68,000 pounds, an any one axle of any such group shall exceed 17,000 pounds.

Source of information: http://www.arkansashighways.com/permits/regulations/General%20Information.htm
http://www.arkansashighways.com/permits/regulations/Overweight%20Movement.htm