Jamied625 Posted March 12, 2013 Share Posted March 12, 2013 IN my 1995 RD688 i need a new set of rears its a triaxle dump what weight rating and ratio would it have. it has camback suspension if that helps.ThanksJamie Quote Link to comment Share on other sites More sharing options...
2stacksuperdog Posted March 12, 2013 Share Posted March 12, 2013 Are they one piece housings? you should be able to give the vin to your mack dealer and they can tell you Quote Matt Link to comment Share on other sites More sharing options...
daveigou Posted March 12, 2013 Share Posted March 12, 2013 If you look under from the rear of the truck, just below the check plug in the lower housing, there should be a number stamped in probably starting with S, like SS44C, or something similar. That is the model number of the axle. For the ratio, look at the front of the forward rear, and just to the left of the power divider on an angled flat spot on the top housing, there should be a carrier model, like CRD 93 or something similar, and a ratio like 4.42 or something similar. Quote See my Flickr photostream page http://www.flickr.com/photos/96692978@N05/ Link to comment Share on other sites More sharing options...
Jamied625 Posted March 12, 2013 Author Share Posted March 12, 2013 If you look under from the rear of the truck, just below the check plug in the lower housing, there should be a number stamped in probably starting with S, like SS44C, or something similar. That is the model number of the axle. For the ratio, look at the front of the forward rear, and just to the left of the power divider on an angled flat spot on the top housing, there should be a carrier model, like CRD 93 or something similar, and a ratio like 4.42 or something similar.ok thank you for the help that gives me what i needThanks,Jamie Quote Link to comment Share on other sites More sharing options...
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