Length:
- Single-trailer combination (tractor and one trailer): Typically limited to 85 feet (25.9 metres) in the United States.
- Double-trailer combination (tractor and two trailers): Typically limited to 100 feet (30.5 metres) in the United States.
Width:
- The maximum width allowed for a tractor trailer is typically 8.5 feet (2.6 metres) in the United States.
Height:
- The maximum height allowed for a tractor trailer is typically 13.6 feet (4.1 metres) in the United States.
Weight:
- The maximum gross vehicle weight (GVW) allowed for a tractor trailer is typically 80,000 pounds (36,287 kilograms) in the United States.
However, it's important to note that these limits can vary significantly from state to state and country to country. It's always best to check with local regulations to be sure your tractor trailer meets the specified size and weight requirements.
