Jeremy_Brault Posted June 24, 2018 Share Posted June 24, 2018 I have a 2013 chu with an mp8 505, I was wondering has anyone ever taken an m-drive transmission out and installed an 18 speed Mack transmission? How big of a job is it? I have all 18 speeds in my fleet besides this truck, and we absolutely do not like it. We spread gravel on township roads and do a ton of short hauling. It just doesn’t work as nice as the 18 speeds. Quote Link to comment https://www.bigmacktrucks.com/topic/53658-m-drive-swap/ Share on other sites More sharing options...
fjh Posted June 25, 2018 Share Posted June 25, 2018 My god bro don't even go there ! Find a truck with the proper trans in it for the job, way to labor intensive, not impossible but ,also monetarily not worth it! you would be throwing bags of money at a mediocre project! My opinion 2 Quote Link to comment https://www.bigmacktrucks.com/topic/53658-m-drive-swap/#findComment-401248 Share on other sites More sharing options...
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