CERA freight trailer diagram

CERA interurban box car

Facing a freight boom on their interurban railways in the mid-20ies, Master Mechanics of leading midwestern companies designed a standardized box car.

This car is still known as the CERA trailer, named after the Central Electric Railway Association. Even standardized, this car was built in several variants. Here is the drawing of the two basic versions, with square ends or rounded ends.

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