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lionel drive gears

  1. Help with Lionel plastic drive gear binding problem

    O Scale
    I recently purchased 2 Lionel Alaska Yukon Special GP-7 (#1804) engines on ebay, both with similar problems. When I received the first engine, the small, upper pinion gear on one drive motor was missing, and the other motor was binding. Since the engine had other problems, it was returned. The...
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