What is the minimum track radius for a Sunset models 3rd rail GE C44-9W Diesel ? I believe this engine is late 1990's or early 2000's vintage. It seems like this engine wants nothing less than O72.I have Lionel and MTH diesels of this size that will run nicely on 054 or less.
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Given the fixed pilots of the model, it wouldn't surprise me if it needs O72
The 3-rail model will operate on 36" radius (O-72). I believe the 2-rail model required 48" radius (O-96). The MTH scale wheeled versions will negotiate 36" radius (O-72) with scale wheels even though the MTH website says 42" radius (O-84), but you must have level, consistent (read good) track work and it has to be flat-top (Gargraves, MTH, Atlas, FasTrack) rail.
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