Your truck’s axle ratio can have a negative effect on fuel economy if it is not chosen properly. See Axle Ratio and Fuel Economy for tips on choosing the right settings.
Mike Switzer works for Independence Excavating in Independence, Ohio – and he hauls some serious equipment to and from worksites, including a 22-foot flatbed trailer carrying 14,000-pound excavator buckets. To do all that hauling, Switzer drives a Cummins-powered 2000 Dodge Ram 3500 that is about to hit the 400,000-mile mark. Learn the secret to his success at 397,000 Miles and Going Strong.
The fuel system on your Cummins 6.7L Turbo Diesel is made up of a series of advanced components that are designed to deliver a precise amount of pressurized fuel to the engine’s cylinders at the exact time needed. See Fuel System for details.