couplers

Couplers need to be the strongest link in a train, capable of withstanding extreme forces of buff (compression) and draft (compression). Since the semi-automatic “Janney” knuckle coupler was patented in…
Digital gages, though accurate, have their limitations. Here’s how Transportation Technology Center, Inc. is applying tried and true mechanical methods.
When it occurs, car-coupling failure adds cost to the bottom line, adding up to millions of dollars each year, and making prevention a priority.

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