Rear Axle Question
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Cross-Country
Joined: Oct 2009
Posts: 71
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From: Westminster, CA
Rear Axle Question
I'm going to change the gear oil in the rear axle on my 1955 F100 for the first time since it looks pretty dirty and I'm pretty sure it hasn't been changed in the last 20 years. I believe this to be the original. Is this what they refer to as a Dana 44? Also, is 90 weight gear oil is the best choice?
Hotshot
Joined: Oct 2009
Posts: 16,168
Likes: 4,767
From: Burbank, WA
90 weight gear oil is the right stuff to use. The label on the bottle of modern gear lube will say 80w-90 or maybe 85w-90, but it's all good.
The picture looks like a Dana 44, and you should find a small 44 cast into the housing, typically found on the webbing around the rear cover.
The picture looks like a Dana 44, and you should find a small 44 cast into the housing, typically found on the webbing around the rear cover.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 785
From: Simi Valley, CA
There's no Dana (Spicer) 41 listed. It's not listed in the 1949/59 car parts catalog, or the 1957/63 & 1964/72 truck parts catalogs, either.
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