In the particular embodiments of the invention described herein there is disclosed apparatus for loading particulate material into a train of coupled rail cars. The apparatus includes open topped rail cars which carry a continuous rail track of rails which are attached to the upper edges of the cars, a loading car which carries a ramp which leads from a low level to the track on the rail cars, a bucket loader and perhaps a conveyor for loading a self propelled load distribution vehicle which is adapted to run under its own power on the ramp and the track.