Thread: axle ID help
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Old 07-08-2014, 07:11 PM   #6
clinebarger
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Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
Re: axle ID help

If you have a Allison or ZF S6-650 trans.....You have a 11.5" AAM diff.

If you have a 4L80E or a NV4500.....You have a 10.5" 14-bolt (Corporate).

As for identifying U-joint by the axle doesn't sound right to me, I have a 11.5" AAM in my truck, But uses standard Spicer U-joints Not the odd ball AAM joints.

Measure the joints to be sure!
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