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Numbers on Rear Diff meaning

7K views 8 replies 3 participants last post by  soldiertrav 
#1 · (Edited)
Howdy, I was questioned about my rear differential by an auto parts store employee today and although I'm 99.7% sure I have an aftermarket Dana 60 in the back, but he sparked a seed of doubt. The only numbers I could find are on the diff cover. Can anyone decipher these for me? Under the Dana it says: 43600 1 (break) 012 5 (break) Rev Q (break) 06 03 94. Thanks Y'all!!



 
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#2 ·
At the furthest bottom right bolt. There is that flat bit on the housing, not the cover. That should have the model stamped there. Also, the tube on the right should have numbers stamped in it I believe. That looked like a 60 from the cover, but also like a 70. I have to see the top of the cover. The 70 has a dip in the part that the ring gear is behind. So the big bulge, at the top. Feel for a dip. If there is then it's not a 60 cover at least.
 
#3 ·
I checked the flat bit on the housing and even cleaned it off (no thick paint covering anything either) and couldn't find the model stamp. There isn't anything on the axle tube on the right side either. Felt up and over the top (not much room to access due to it being tucked up with a big truss and my aftermarket gas tank is VERY close) and it has no dip. I even referenced the dana 60 Bible and found everything you told me, just not on my axle. I think its got to be a 60 (was told so when I bought it 4 yrs ago too). Looks very similar to my 06 F250 Powerstrokes front axle too which I know is a 60.





F250's front axle which I did find the model number, gear ratio, manuf date etc...
 
#5 ·
Don't know if it makes any difference but my bolt pattern is 5x5.5 and not 8 lug
 
#7 ·
Yes, it is a Danatrac. Looked in all regular places for stamps and can't find anything. Has a beefy truss mounted on it to that my suspension triangles into (old black diamond xcl coilover conversion). I'd imagine this was added at same time back in mid 90's when PO built it up to be cutting edge.
 
#9 ·
Just compared to the new daynatrac pro rock 60 and it comes in 5x5 and 8x6.5. Mine must be an old versions when YJ were the King (still are to me) and competing with the incoming TJ (1st jeep I got in college NEW and owned 2 more). This lil hoss hands up offroad is better than both of them. It is a pre rubicon ��
 
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