This might help...it has some basic pics and stats of axles.
axle id chart

Notice the bolt patterns on the 10 bolt and 44. That should help you figure it out. <img src="/forums/images/graemlins/kewl.gif" alt="" />

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1981 CJ5,258,T-176,D300,AMC 20,Dana 30,Trxus M/T 31x10.50, Rancho 5000's, GroundPounderFab front bumper, polyethylene gas tank, aluminum dash, AutoMeter gauges

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