Road transport comprising a pneumatically lockable fifth-wheel coupling

摘要

The truck assembly includes a vehicle (4) having an air source with a brake hose coupler (52) and a lockable semi-trailer (24) comprising an actuator and a brake hose coupler (60), and a trailer (6) having a coupler (54) able to be coupled to the coupler (52) of the air source in order to supply the trailer (6) with air. The semi-trailer coupling is able to be coupled to the air source coupler.