California 5 Axle Semi Truck Size and Weight Limits

California: 5 Axle Semi Truck

semi truck tractor trailer

Gross Weight Limits

Ruleset Jurisdication Permit Required? Estimated Gross *
US Federal STAA Green and Blue Routes No 80,000 lbs

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

Axle Weight Limits

Ruleset: US Federal

Jurisdication: STAA Green and Blue Routes

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

STAA Green and Blue RoutesCalifornia Black Routes
Dimension NameMinMaxMinMax
Overall Height14' 0"
Overall LengthNo Limit65' 0"
Overall Width8' 6"
Front Overhang3' 0"
Rear OverhangMaximum 2/3 of the wheelbase
Semi-Trailer Length53' 0" No Semi-Trailer Length Limit
Semi-Trailer Wheelbase
- Kingpin to Center of Rear Axle
40' 0" Max - No KPRA Limit if trailer is less than 48'40' 0" Max - Applies regardless of trailer length



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