Cummins power
The class A's that I am like have the Cummins engine. I notice that the larger/heavier rigs have more horsepower (300hp vs. 340 to 360hp)with the 6.7 L engine (same torque). How do they get the extra ...
Forum Discussion
moisheh wrote:
mcdamarell. If your company simply limited the speed to 63 then mileage had to improve. There is no argument that slowing down increases MPG. Trucking companies with 3000 or more tractors usually limit the speed and they ALL get better mileage. Proven fact!
Moisheh
My company lowered speeds from 65 to 60 a few years ago. The tractors all used MORE fuel. They were geared to run 65...and could no longer climb hills in high gear with a loaded trailer! (Also, I suspect some drivers stopped using CC and simply kept the pedal floored on the governor.)
