coal pusher

coal pusher (plural coal pushers)

1. (rail transport) a device used to push coal forward in the tender of a steam locomotive.
   • 1959, David P. Morgan, editor, Steam's Finest Hour, Kalmbach Publishing Co., page 71:

     The M-1's had roller bearings on all axles, high-speed Franklin boosters, steam lines, tender coal pushers - all the gadgets one could ask.

• scrophulae