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Old 05-26-2011, 03:18 PM   #9
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Join Date: Jan 2004
Posts: 532

Often a carrier's policy is based on the views of a key individual and things can change as people retire. NS and CN used to say they can run any train that fits their railroads (siding lengths, etc.) with 2 modern DC units. NS, of course, got some early experience with the Conrail SD80MACs and may be testing the concept; AC power requires more complex control ssystems but also has much more rugged traction motors.
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