Search results

The trucks I referred to were the original M915's that had the 400 Cummins with the 16 speed Cat semi-automatic transmission in them. Not sure what the gear ratio in the rears were. The later trucks had the Allison 5 speed and were gear bound by it. The last incarnation had the Freightliner cab...

I beg to differ with you Sir. We convoyed in them from Fort Benning, GA, to the National Training Center in Fort Irwin, CA. The trucks with the Allisons will red light you at 64....the ones with the CAT transmission will pass everything except a fuel stop. The one I drove had been turned up to...