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I searched on this and come up with a lot of photos of diff tags with the ratio on the bottom line, but not many like the pic attached. Supposedly these axles are from a 2001 Excursion and may be 4:30 ratio. I am waiting for a pic of the front dif tag, if it has one and maybe that will help. Anybody confirm what this is?
The tag says it's 4.30 but I can't read the last part of the F81A number right next to it to try to actually identify it. I did a search with the
610359-3 Dana number and did verify that it is 4.30 but I'm not sure it came out of an Excursion. The F81A section of the part number tells me it's from 1998 but could still have been used in later years. I'll keep checking.
Last edited by jpr38057; 11-25-2016 at 02:34 PM.
Reason: More info
I also thought the 2001 would have the rear calipers both mounted behind the axle. That would make these older than the truck they came from, not to mention he said it was a diesel and I don't think they had 4:30 gears anyway. It would take some work to clean them up and swap my good stuff onto them, but still cheaper than gear installs and I would have parts left to sell....hoping he comes through with the other diff tag and it helps identify things.
I also thought the 2001 would have the rear calipers both mounted behind the axle. That would make these older than the truck they came from, not to mention he said it was a diesel and I don't think they had 4:30 gears anyway. It would take some work to clean them up and swap my good stuff onto them, but still cheaper than gear installs and I would have parts left to sell....hoping he comes through with the other diff tag and it helps identify things.
I find a 4.30 in an 00 and 01 but the Dana number is 605924-3. I think you are right about the calipers too.
I said I was waiting on the front tag, I meant the rear tag, as the one pictured is the Dana tag. For anyone curious, I was able to find a decoder from Dana www2.dana.com/expertforms/deabill.aspx where you can type in the BOM number, on the tag above that is: 610659-3, and it tells me this axle is from a 1998.5 to 1999 F250 or F350 SRW.... So, that might explain the calipers on the rear axle, I bet the rear axle is from the same truck.
[QUOTE=05MilMachine;16745537]I searched on this and come up with a lot of photos of diff tags with the ratio on the bottom line, but not many like the pic attached. Supposedly these axles are from a 2001 Excursion and may be 4:30 ratio. I am waiting for a pic of the front dif tag, if it has one and maybe that will help. Anybody confirm what this is?
This I where I go to confirm my Dana Axles question http://www2.dana.com/expertforms/deabill.aspx This helps me decode any Dana Axles
11-24-2016, 07:21 PM
