from The Century Dictionary.
- noun In car-building, the entire system of couplers, draw-bars, springs, etc., used to connect one ear with another or to the locomotive.
Sorry, no etymologies found.
He has also devised a new type of locomotive-tender which is now in practical use; a process of making truck-bolsters, brake-beams, etc.; a draft-gear; a car-truck, and a tank-car which is now widely used.