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4-4-2

  1. O Scale
    Several of my steam locos from the MPC era (2-4-2s, 4-4-2s, etc.) have the 2-position E-unit with a double-wound motor field. These were all made during the 1970s. In several cases the E-units become balky and refuse to reverse once the loco has fully warmed up. It often takes multiple...
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