Oregon 5 Axle Semi Truck Size and Weight Limits



Oregon: 5 Axle Semi Truck

semi truck tractor trailer

Gross Weight Limits

Ruleset Jurisdiction Permit Required? Estimated Gross *
US Federal Group 1 Routes (Interstates and Major Roads) No 80,000 lbs
OR Extended Weight Permit Group 1 Routes (Interstates and Major Roads) Yes 83,500 lbs

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


Axle Weight Limits

Ruleset: US Federal

Jurisdiction: Group 1 Routes (Interstates and Major Roads)

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: OR Extended Weight Permit

Jurisdiction: Group 1 Routes (Interstates and Major Roads)

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

Group 1 Routes (Interstates and Major Roads)
Dimension NameMinMax
Overall Height14' 0"
Overall Length85' 0"
Overall Width8' 6"
Front OverhangAllowed as long as load length does not exceed 40'
Rear Overhang5' 0"
Semi-Trailer Length53' 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!