Mack Doctor Jr. Posted March 15, 2016 Share Posted March 15, 2016 I have a friend who wants to build a truck but weight is an issue for his company he works for. Our question is what's the weight difference between Mack rears compared to Eatons? It's obvious that the Mack verses eatin trans is a huge difference but we are still uncertain exact weights. We are thinking of moving the back axle to the front and just making the rear a tag to save in weight. Any thoughts would be appreciated. Thanks Joey Quote Link to comment Share on other sites More sharing options...
Dirtymilkman Posted March 17, 2016 Share Posted March 17, 2016 Isn't a Mack tranny lighter than an Eaton? The dealer will have all the specs on everything you can order. As you add options it'll show you how much weight each option adds. Quote Link to comment Share on other sites More sharing options...
blackdog2 Posted March 17, 2016 Share Posted March 17, 2016 Due to the triple counter shafts its a lot heavier!! all depends what it is used for Box- flat -dump -tank Eaton wont hold up to older Mack motors due the hi- torque Mack trans 1800-lbs verse Eaton 1250-1450 toque range and the right injection pump. Quote Ed Link to comment Share on other sites More sharing options...
Dirtymilkman Posted March 17, 2016 Share Posted March 17, 2016 The Mack 18spd weighs 798 pounds. The fuller is 716 pounds Quote Link to comment Share on other sites More sharing options...
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