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54 3/4 ton axle ?
#1373660 Sun Aug 16 2020 09:46 PM
Joined: Feb 2019
Posts: 41
87GN Offline OP
nothing beats a try but a failure
I am rebuilding the rear axle, HO52. It is in a 1955.1 - 3600.I found on the plate end of the axle GM 77 on the short shaft and GM 78 on the other shaft. Do these numbers represent a 1955 axle or do they refer to something else? Check out the attachment for details.

Attached Files
IMG_1915.JPG (13.47 KB, 62 downloads)
IMG_1914.JPG (11.72 KB, 58 downloads)
Last edited by 87GN; Sun Aug 16 2020 10:30 PM. Reason: need attachment

1955.1 3600 5 window 4 speed all original.
Re: 54 3/4 ton axle ?
87GN #1373769 Mon Aug 17 2020 03:10 PM
Joined: Nov 2005
Posts: 5,863
3B Offline
Master Gabster
Hy 87GN, those numbers probably are nothing more than numbers to identify the two different axles from each other so they can be assembled correctly into the housing in the factory.

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