fuel mileage
what do you get pulling a 12,000 lb. TT with your 5.9 Cummins?
Forum Discussion
I just finished a trip to the Black Hills with a 7k FW. I got 14.8 with my 05, 2500, 5.9, 3.73 auto. Best buy I ever made. My 01, 2500, 5.9 gas gets 8 to 9 hooked on to a stock trailer with 10k gross.
