The Mud Pit > Wrenching

gear identification

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reptile610:
was told when i bought the cj that it had a dana 30 up front and amc 20 rear both are locked but wasn't sure on the gears.

front diff








rear diff






no idea about the front but it looks like the rear is welded.

so.... what do i have here ???

BlacXJeep:
looks like its open up front to me sir

Bill3753:
You have 3.73's.

reptile610:
cleaned them out with a rag and then put them back together. filled up the front and most of the rear but noticed it was seeing slightly so i stopped and am going to check it tomorrow after the rtv sealer has finished hardening

Mr Rock:
front is open!
Bill, as usual is correct. the 41 11 stamped in the ring gear tells you that the ring has 41 teeth and the pinion has 11, 41/11=3.72272727....

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