Which rear end?
More Turbo
Joined: Dec 2012
Posts: 565
Likes: 33
From: Newcastle & Gillette WY
There should be a tag on the differential. A dealership should be able to decode it for you or run your VIN and tell you. There might also be an axle code on the door sticker (there is on my '01) that they can decode.
FTE Leadership Emeritus
Joined: Sep 2000
Posts: 23,174
Likes: 1,678
From: Stephensville WI
If the truck is an F-350 SRW you have a Ford (Sterling) 10.5 differential.
I don't think the locking diff option was offered on the DRW trucks. IIRC, those came with Dana 80 differentials.
I don't think the locking diff option was offered on the DRW trucks. IIRC, those came with Dana 80 differentials.
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