Couplers, Connectors, Knuckles, Drawbars

Our comprehensive product line enables you to customize and coordinate all your end-of-car system needs with a single supplier. From the market’s toughest integral cast draft sills and draft gear, to a full line of AAR-approved cushioning units, drawbars and couplers, Amsted Rail® provides integrated systems engineered to effectively reduce impact stress.

Couplers, Connectors and Knuckles

ASF-Keystone®, a division of Amsted Rail®, manufactures a complete line of AAR approved couplers, yokes, knuckles, and articulated connectors to meet any application in the railroad industry today and into the future.


When conditions require the uncompromised separation of railcars, our flame-hardened drawbars provide up to 60% slack reduction in a 116-car train. Plus, you realize a weight savings of 486 pounds compared to the standard Type E coupler.