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Which differential do I have?

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Old Feb 19, 2019 | 03:20 PM
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Which differential do I have?

Greetings,
I'm doing an all 4 corner brake job this weekend and I figured while I'm in there I'd put a fresh set of Timken bearings and seals in. I have a 1999 2WD Dually with the 7.3 and I don't know if I have the Dana 80 with the 11.25 ring gear or the 10.5. It has 4.11 gears I do know that. Just need to know before I get the parts.

Thanks
 
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Old Feb 19, 2019 | 04:18 PM
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easy way, fill plug = Dana



 

Last edited by Sam I Am; Feb 19, 2019 at 04:32 PM.
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Old Feb 19, 2019 | 04:23 PM
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Originally Posted by Sam I Am
I think that's for passenger cars, my tag is totally different. But thanks for the reply.
 
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Old Feb 19, 2019 | 04:33 PM
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Originally Posted by flyingtexan
I think that's for passenger cars, my tag is totally different. But thanks for the reply.
It should have 2 tags on it, see my edit in the previous post.
 
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Old Feb 19, 2019 | 04:36 PM
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Aren’t all dually trucks from the mid-90s (ish) to late 2010s Dana 80? My 2005 dually is a Dana 80.

— Dave
 
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Old Feb 19, 2019 | 06:52 PM
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I'm pretty sure only F-250 and F-350 SRW trucks have the 10.5 rear end, while F-350 DRW trucks have the Dana 80.
 
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Old Feb 20, 2019 | 03:00 PM
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It's a DANA 80, thanks everyone!
 
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