first trip with 2022 chevy duramax 3500 flatbed . other than problem with filling tank , awesome trip. 1700 miles from alabama to arkansas 9.9 mpg average with cruise set 0n 65mph
just got back from second trip and into service. pulling 18000 lbs of mobile suite from newport tennnessee to alabama.cruise set on 62 got 12.2 average on readout but so far it has been very accurate. about 2mpg better than previous f350 6.0