Reply to "Repair solutions: replacement drive shafts for articulated steam.....Tales from Harmon Shops"

harmonyardsOGR Forum Member SUPPORTING MEMBER

@superwarp1 posted:
Thanks Pete, another thing I wish I knew is why MTH and Lionel thought using plastic drive shafts was a good idea? Cost of production maybe?

Probably that, and for silent operation,.....before I posted my findings I did a bunch of testing and found the steel shafts to be just as silent as the nylon,...another theory is the OE shafts appear to be the self lubricating nylon, so maintenance free might have been another reason,....however, I’ve put a tiny dab of grease in the telescoping section of the steel shaft, and a drop of gear oil on the U joints and ran that Y3 for 7 1/2 hours straight,.....no issues Gary,....that was real world testing on a 25 car train,....

Pat

3/7/219:59 AM

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