Common Semi Trailer Dimensions And Types

Release time: 2026-03-16 View:

Semi-trailer – A common special vehicle for cargo transportation. The semi-trailer cannot provide power by itself and can only be towed by an additional semi-truck. Semi-trailers are usually many times larger than ordinary cargo trucks and are more efficient for long-distance transportation. Therefore, it has been widely used.

According to the regulations of the International Organization for Standardization (ISO) on various indicators of semi-trailers, the maximum size limit of common semi-trailers is:

MAXIMUM LIMIT OF DIMENSIONS OF DIFFERENT TYPES OF SEMI-TRAILERS (IN FT)
Semi Trailer Type		Length	Width	Height
Flatbed Trailer Side Wall Trailer Fence Cargo Trailer Dump Trailer Fuel Tanker Trailer	1 Axle	28.2	8.4	13.1
	2 Axle	32.8
	3 Axle	42.7

Depending on the number of semi-trailer axles, the permissible maximum gross mass limits are:

THE MAXIMUM ALLOWABLE TOTAL MASS LIMIT (UNIT: TONS)
Type	Maximum allowable total mass
1 Axle	18
2 Axle	35
3 Axle	40