mauricio.sanchez.336717 Posted February 7, 2015 Share Posted February 7, 2015 hope you can help me outI'm buying a 1995 Mack DM6 original dump budy, the truck is really nice but I did not see a switch to lock the rear differential in case it slips. I am not an expert with Mack trucks but the guy who is selling it to me says that this type of truck does it automatically once you shift it in to low gear? Is this true ? Thank you Here is a pic of the truck it has a 7 speed maxi torque Sent from my iPhone using Tapatalk Quote Link to comment https://www.bigmacktrucks.com/topic/38836-help/ Share on other sites More sharing options...
alex g Posted February 8, 2015 Share Posted February 8, 2015 It will kick in automatically when you get wheel slip it will have what they call a set of peanuts in the front diff which will engage when needed.In my opinion a diff lock is better but that set up works fine as well. Quote Link to comment https://www.bigmacktrucks.com/topic/38836-help/#findComment-277962 Share on other sites More sharing options...
mauricio.sanchez.336717 Posted February 8, 2015 Author Share Posted February 8, 2015 Thank youSent from my iPhone using Tapatalk Quote Link to comment https://www.bigmacktrucks.com/topic/38836-help/#findComment-277964 Share on other sites More sharing options...
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