supported therein by springs 40 the bed of the flatcar is attached to the truck and wheel assembly 10 through the beam 36 and springs 40 by which some shock absorption is provided front and rear end caps 42 and 44 are attached to the ends of the axles 16 and 18 respectively and cover the ends of the axles as well as the bearing housings 20 and 22 each end cap is attached to the axle by three bolts 46 arranged in a triangular pattern the bolts running through the end cap into the axle referring now to fig3 and 4 a railcar moving device 50 according to the invention comprises two hydraulic motors 52 and 54 which are adapted for attachment to the ends of the front and rear axles 16 and 18 of the wheel truck assembly 10 for rotation of the axles and thus the wheels since the motors are attached directly to the axles there is no need as in prior art devices for fitting of the device on the wheel or alignment of the device with the track nor is there any problem of wear of powered rollers pressed against the wheel and or track and since the present invention does not rely on friction.