Industries1Looking to BUY Athearn Blue Box coupling and spline. Spline is about 5/8" long like photo. Thanks.
The OP has the "universal" type fitting on the worm gear shaft, with the spline drive shaft.
The newer assembly has a "dog bone" type fitting, and the drive shaft has a hex head into the fly wheel, and the "dog bone" on the worm gear end. Athearn calls it a female coupling.
Doesn't look like Athearn has those anymore.
You should be able to find them on Ebay.
How many do you need?
Mike.
My You Tube
http://www.athearn.com/Products/Default.aspx?ProdID=ATH34128
The upgraded worm gear assembly, made of delrin for quieter operation.
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Modeling the PRR & NYC in HO
Youtube Channel: www.youtube.com/@trainman440
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Looking to BUY Athearn Blue Box coupling and spline. Spline is about 5/8" long like photo. Thanks.