fifth wheel coupling definition
fifth wheel coupling means a device used to connect a tractor to a semi-trailer and to permit articulation between the units. It is generally composed of a lower half, mounted on the tractor, consisting of a trunnion, plate and latching mechanism, for connection with a king pin mounted on the semi-trailer.
fifth wheel coupling means a device, except the upper rotating element and the kingpin (which are parts of a semi-trailer), used with a prime mover, semi-trailer, or converter dolly, to allow quick coupling and uncoupling and to provide for articulation;
fifth wheel coupling means a device, other than the upper rotating element and the kingpin (which are parts of a semi-trailer), used with a prime-mover, semi-trailer or a converter dolly to permit quick coupling and uncoupling and to provide for articulation;
More Definitions of fifth wheel coupling
fifth wheel coupling means a device, other than an upper rotating element and a kingpin, used with a prime mover, semi-trailer or converter dolly to—