Board index Flathead Power-Technical Questions, Answers, and Suggestions Big Twin Flatties thread size 1947 U-UH-UL-ULH rear axle

thread size 1947 U-UH-UL-ULH rear axle

Moderators: Curt!, Pa

Post Tue Oct 06, 2009 10:36 am

Posts: 33
Location: Borne, The Netherlands
Does anyone know the size of the thread on a 1947 U-UH-UL-ULH rear axle?
I just cannot find the correct size....... :(

Thanks in advance!


Posts: 634
Location: Wisconsin, USA
5/8"(.625) X 18 threads per inch. I think big twins from VL era all the way into shovel head years used this size.

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