Texas 5 Axle Semi Truck Size and Weight Limits



Texas: 5 Axle Semi Truck

semi truck tractor trailer

Gross Weight Limits

Ruleset Jurisdiction Permit Required? Estimated Gross *
US Federal Interstate and Designated No 80,000 lbs
TX Permit for Excess Weight State and County Roads Yes 84,000 lbs

* This is an estimate as it does not include bridge and tire compliance.


Axle Weight Limits

Ruleset: US Federal

Jurisdiction: Interstate and Designated

Axle Group Tire Type Axle Spread Axle Weight Limit
Steer AxleSingle 20,000 lbs
Tandem DrivesDuals40 - 96 in 34,000 lbs
Trailer TandemDuals40 - 96 in 34,000 lbs
Trailer TandemDuals96 - 108 in 38,000 lbs
Trailer TandemDuals108 - 120 in 39,000 lbs
Trailer TandemDuals120 - 121 in 40,000 lbs

Ruleset: TX Permit for Excess Weight

Jurisdiction: State and County Roads

Axle Group Tire Type Axle Spread Axle Weight Limit
Steer AxleSingle 22,000 lbs
Tandem DrivesDuals40 - 96 in 37,400 lbs
Trailer TandemDuals40 - 96 in 37,400 lbs
Trailer TandemDuals96 - 108 in 41,800 lbs
Trailer TandemDuals108 - 120 in 42,900 lbs
Trailer TandemDuals120 - 121 in 44,000 lbs

Dimension Restrictions

Interstate and Designated
Dimension NameMinMax
Overall Height14' 0"
Overall LengthNo Limit
Overall Width8' 6"
Front Overhang3' 0"
Rear Overhang4' 0" Max - Must not exceed legal trailer length (59')
Semi-Trailer Length59' 0"
Semi-Trailer WheelbaseNone Specified

References


Disclaimer

These figures are interpreted from the legal codes freely available, please read our full disclaimer and inform us of any errors!