rowekmr Posted April 5, 2020 Share Posted April 5, 2020 I'm looking at a day cab truck online and its a 2007 Mack CXN613 with Allison auto trans. From what I researched the engine will be the Mack 12.0L with hp ratings from 295-450hp. Which power levels came with the Allison transmission? How many gears does that Allison have? Any info on that combination for towing a 4/5 car trailer (max 30K)? It has GVWR of 52K. I heard that Mack's had good torque and fuel economy. Thanks Quote Link to comment https://www.bigmacktrucks.com/topic/61903-info-on-2007-cxn613/ Share on other sites More sharing options...
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