Abstract: A railway transport vehicle including a single load carrying beam having a novel coupling mechanism provided at each end and with one end including a rail truck and hydraulic lifters for lifting that end of the beam from a lowered position to a trailer axel engaging and lifting position, an upstanding support disposed proximate the other end of the beam for mating with and supporting the fifth wheel of the trailer unit to be transported, and a jack for lifting that end of the beam into a coupling position.