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I know how dual-gauge track works, but how on earth does a combination of a standard and a broad gauge locomotive pull the same train? I don't get it. I mean, I suppose one COULD modify the broad gauge locomotive so that its couplers and buffers were offset to one side to line up with a standard gauge locomotive...its hard to imagine, but I don't see how else two gauge locos could be used for the same train. Unless someone just wrote that sentence wrong, and they were referring to the two different goods-trains being broad and standard gauge, respectively..45Colt02:29, 12 February 2015 (UTC)[reply]
Usually there are couplers mounted for both gauges on the end of one piece of rolling stock. The derailed locomotive pictured in File:1906 earthquake train.jpg has multiple coupler pockets for dual-gauge operations. The Denver & Rio Grande Western Railroad used movable couplers on some locomotives as well as a specially-built idler car to make the dual gauge coupler connections for trains around Antonito (further discussion of this is on the Trains Magazine forum). Slambo(Speak)15:07, 8 June 2015 (UTC)[reply]