Alabama 5 Axle Semi Truck Size and Weight Limits



Alabama: 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

* 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

Dimension Restrictions

Interstate and DesignatedLess than 12' wide roads
Dimension NameMinMaxMinMax
Overall Height13' 6"
Overall Length85' 0"
Overall Width8' 6" 8' 0"
Front Overhang10' 0"
Rear Overhang5' 0"
Semi-Trailer Length57' 0" 53' 6"
Semi-Trailer Wheelbase
- Kingpin to Center of Axles
41' 0" Max - Applies to trailers between 53'6"-57'

References


Disclaimer

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