BKrois Posted February 12, 2015 Share Posted February 12, 2015 I'm looking for some insight here. I'm looking at an all wheel drive Mack tandem, it has 46k rears with 5.73 gears. I'd like to shorten the truck and put my 29k rear in. My 29k rear currently has a 6.52 ratio, due to the fact its all wheel drive the ratios have to match. Does anyone know if theres a way to swap the guts from one of the tandem rears (ring&pinion) into the 29k chuck? The 29k rear is a front loader and the 46s top. I'm trying to figure out a way to make it work using the components i have without having to buy another gearset.Thanks,Bryan 1 Quote BryanMy Photo Albums Link to comment https://www.bigmacktrucks.com/topic/38883-gear-swap-question/ Share on other sites More sharing options...
David Posted February 12, 2015 Share Posted February 12, 2015 I may have a 6.xx front axle to go with your 29k. Call 919-932-3344 Quote Link to comment https://www.bigmacktrucks.com/topic/38883-gear-swap-question/#findComment-278609 Share on other sites More sharing options...
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