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blazerbrad · 01-30-2019, 08:13 AM

To be honest I've never heard of a 29-spline Dana 44 axle, and actually surprised somebody found reference to this on the internet....but doesn't mean they don't exist.

I would suspect the stock rear axle on an '83 CJ-7 to be a Model 20 which would have 29 spline axles. Some late '86 model CJ-7 had Dana 44's with 30-spline axles. Though on an older vehicle like that it's hard to tell what might have been swapped in over the years.

Take a look at the below picture and it shows a Model 20 vs. Dana 44 diff cover difference (both are on the top row).

01-30-2019, 08:13 AM	#5
blazerbrad - CORE Member - Join Date: Feb 2007 Posts: 831	To be honest I've never heard of a 29-spline Dana 44 axle, and actually surprised somebody found reference to this on the internet....but doesn't mean they don't exist. I would suspect the stock rear axle on an '83 CJ-7 to be a Model 20 which would have 29 spline axles. Some late '86 model CJ-7 had Dana 44's with 30-spline axles. Though on an older vehicle like that it's hard to tell what might have been swapped in over the years. Take a look at the below picture and it shows a Model 20 vs. Dana 44 diff cover difference (both are on the top row).