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automatic coupler click to hear : automatic coupler

Device on each end of a locomotive or car for attaching it to another locomotive or car.
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See automatic coupler in : french | spanish
coupler knuckle coupler knuckle pin

coupler knuckle click to hear : coupler knuckle

Articulated component that interlocks with the corresponding part on another car or locomotive.

coupler knuckle pin click to hear : coupler knuckle pin

Part around which the coupler knuckle pivots to open and uncouple.