What does KNUCKLE-COUPLER stand for?
What does KNUCKLE-COUPLER mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: KNUCKLE-COUPLER.
We've found a total of 1 definition for KNUCKLE-COUPLER:
Modern Car-Coupler Affixed At Each End of Rail Car For Switching, Moving, Becoming Part of Entire Train Consist: