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A question about couplers....
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The loud boom- I'm not an engineer or anything, so I'll need one to help me out here. I saw a training video for the SD70MAC, and there is some situation when, under heavy load, a traction motor or two cut out (I forget exactly why- I'll have to look at the video again). What I do remember is when that happened the whole locomotive jerked violently. From inside the cab you would have thought they collided with something. So severe was the jolt they made the point that when pulling near the limit everyone in the cab must be seated. Could something like that have occured?
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