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Special mobile equipment (SME) is a non-reducible self-propelled vehicle that exceeds ND legal vehicle size and weight limits. Example of SME: truck crane, concrete pump unit, etc… (excludes earthmoving equipment.) A single trip permit is required when traveling on the state highway system. The permit for a one way trip is valid for three days or for multiple trips made within a 24 hour period. The permit fee is $25.  May also be subject to ton mile fees during spring thaw or if travel is on highways with load limits year around.  A paper copy of the permit must be in possession prior to the movement.   

The following information will be required when purchasing a permit on-line: 

SME vehicle: year, make, serial number

Overall dimensions:  width, height, length, front and rear overhang

Weights:  number of axles, number of tires per axle, tire width (first number on sidewall), measurement from axle center to axle, and axle weights. (For axle weight chart, see pages 4&5. For Permit Policy see Oversize and Overweight Movements)

Movement from and to

Route of travel

Start date of travel

Start time of travel (when applicable)


The on-line system accepts up to 24 feet in overall width, 18 feet in overall height, and 200 feet in length. Vehicles that exceed 114,800 pounds gross vehicle weight must first submit an application for bridge analysis (link) or provide the approval number from a statewide bridge analysis.  Gross vehicle weight shall not exceed 150,000 pounds.