Maryland: 5 Axle Semi Truck
Gross Weight Limits
| Ruleset |
Jurisdication |
Permit Required? |
Estimated Gross * |
| MD Law Under 73,000 lbs |
Interstate and Designated |
No |
73,000 lbs |
| MD Law Under 73,000 lbs |
Non-State Highways |
No |
73,000 lbs |
| 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: MD Law Under 73,000 lbs
Jurisdication: Interstate and Designated
|
Axle Group
|
Tire Type
|
Axle Spread
|
Axle Weight Limit
|
|---|
| Steer Axle | Single | | 20,000 lbs |
| Tandem Drives | Duals | 40 - 96 in | 34,000 lbs |
| Trailer Tandem | Duals | 40 - 96 in | 34,000 lbs |
| Trailer Tandem | Duals | 96 - 108 in | 38,000 lbs |
| Trailer Tandem | Duals | 108 - 120 in | 39,000 lbs |
| Trailer Tandem | Duals | 120 - 121 in | 40,000 lbs |
Ruleset: MD Law Under 73,000 lbs
Jurisdication: Non-State Highways
|
Axle Group
|
Tire Type
|
Axle Spread
|
Axle Weight Limit
|
|---|
| Steer Axle | Single | | 22,400 lbs |
| Tandem Drives | Duals | 40 - 96 in | 34,000 lbs |
| Trailer Tandem | Duals | 40 - 96 in | 34,000 lbs |
| Trailer Tandem | Duals | 96 - 108 in | 38,000 lbs |
| Trailer Tandem | Duals | 108 - 120 in | 39,000 lbs |
| Trailer Tandem | Duals | 120 - 121 in | 40,000 lbs |
Ruleset: US Federal
Jurisdication: Interstate and Designated
|
Axle Group
|
Tire Type
|
Axle Spread
|
Axle Weight Limit
|
|---|
| Steer Axle | Single | | 20,000 lbs |
| Tandem Drives | Duals | 40 - 96 in | 34,000 lbs |
| Trailer Tandem | Duals | 40 - 96 in | 34,000 lbs |
| Trailer Tandem | Duals | 96 - 108 in | 38,000 lbs |
| Trailer Tandem | Duals | 108 - 120 in | 39,000 lbs |
| Trailer Tandem | Duals | 120 - 121 in | 40,000 lbs |
Dimension Restrictions
| Interstate and Designated | Non-Designated Highways |
|---|
| Dimension Name | Min | Max | Min | Max |
| Overall Height | | 13' 6" | | |
| Overall Length | No Limit | | |
| Overall Width | 8' 0" | 8' 6" | | |
| Front Overhang | 3' 0" Max - Overhang cannot exceed legal length of trailer | | |
| Rear Overhang | 6' 0" Max - Overhang cannot exceed legal length of trailer | | |
| Semi-Trailer Length | | 53' 0" | | 48' 0" |
| Semi-Trailer Wheelbase- Kingpin to Center of Axles | 41' 0" Max - Applies to trailers between 48' and 53' | | |
| Semi-Trailer Kingpin Setback | | 4' 0" | | |
| Effective Rear Overhang | 35% of Trailer Wheelbase Max. | | |
References
Disclaimer
These figures are interpreted from the legal codes freely available, please read our full disclaimer and inform us of any errors!
