Freight Car Friday – Dump Cars

Lionel Trains

The operating side-dump car has been a toy train favorite for generations. Seen in model form hauling everything from coal to candy canes, the prototypes for these useful cars can usually be found carrying stone, earth and ballast.

6-21271 dump car

The largest and best-known builder of these cars was the Differential Car Company (Difco) which operated from 1915 to 1966 when it became part of Trinity Industries. Magor and Western Railcar also had lines of dump cars used by railroads. In addition, there were other manufacturers who built smaller side dumping cars for mining and industrial operations.

6-22322 dump car

Unlike hoppers, side-dump cars empty their payload to the side of the track. To do this, the body of the car is raised by powerful pneumatic pistons.  Most cars feature a double-hinged design with a pair of pistons on each side of the car so that they can unload to either side of the tracks. Power…

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