grinch Posted October 9, 2016 Share Posted October 9, 2016 Sorry for the noob question but can someone tell me what my rear axle is based on the below pic? Previous owner said the rear axle was a Dana 35 but comparing it to pictures online it looks like it might be a 44. Am I dreaming? Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
HOrnbrod Posted October 9, 2016 Share Posted October 9, 2016 Dana 44. Link to comment Share on other sites More sharing options...
grinch Posted October 9, 2016 Author Share Posted October 9, 2016 Now THAT'S a pleasant surprise!!! :banana: :rock on: :clapping: That's what I thought based on the pics I was comparing it to but it's nice to have confirmation. Thanks hornbrod! Guess I can scratch that future rear axle upgrade off my list now. Link to comment Share on other sites More sharing options...
88whitemanche Posted October 10, 2016 Share Posted October 10, 2016 Dana 44! Nice Link to comment Share on other sites More sharing options...
omega_rugal Posted October 10, 2016 Share Posted October 10, 2016 wait, i have to see... i have that one too :banana: Link to comment Share on other sites More sharing options...
big66440 Posted October 10, 2016 Share Posted October 10, 2016 Nice!!!! wanna trade? :brows: Link to comment Share on other sites More sharing options...
spyder152 Posted October 10, 2016 Share Posted October 10, 2016 Nub question, what's so special about the dana 44. I have one as well. Link to comment Share on other sites More sharing options...
ComancheKid45 Posted October 10, 2016 Share Posted October 10, 2016 Stronger basically. 30 spline axle shafts compared to 27 splines in the dana35 Link to comment Share on other sites More sharing options...
DirtyComanche Posted October 10, 2016 Share Posted October 10, 2016 And a bigger ring gear, carrier, pinion, etc. Basically it's the axle that should have been used in all MJ rear applications, but that would have been too much to ask. Link to comment Share on other sites More sharing options...
HOrnbrod Posted October 10, 2016 Share Posted October 10, 2016 Anyone know why AMC switched to the D44 in 1987 for the optional HD axle instead of carrying on with the AMC-20 they used in 86? It was/is a damn good axle and AMC wasn't dying yet. :hmm: My guess would be manufacturing costs but I have no idea.... Link to comment Share on other sites More sharing options...
DirtyComanche Posted October 11, 2016 Share Posted October 11, 2016 I would assume cost too, I'm guessing the limited numbers they needed to produce no longer justified building the axles in house. Rule of scale. By that point I don't think they were using the model 20 in anything else as they had already gone away from it in the SJs and there was no option for a HD rear axle in the YJ, nor had they been offering a HD axle in the XJ prior to the 87 model year. They might have just been using up old stock to assemble the axles for the 86 model year MJ? Somebody on here posted a truck with an 86 truck with an abnormal but factory D44 didn't they, or maybe I'm crazy? Link to comment Share on other sites More sharing options...
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