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Hi Bill, In the past, they didn't "MU" steam engines. Each engine had its' own crew (Engineer, Fireman, head-end Brakeman). Each locomotive crew would receive their own set of train orders and they would also use whistle signals to communicate. Also (and I'm not 100% on this) the following two locomotives would set a valve on the air brake stand that would allow the leading engine be in control of the train brakes..anyone else with more info on that please chime in. With modern stem excursions (like 261) the locomotive nowadays are able to MU with the following diesel. Seeing a triple-header like this would have been quite something!!! Greg K. __._,_.___ Posted by: graywolfs02@hotmail.com __,_._,___ |