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
ScottG wrote:He said older version. i.e., the 12 valve 6BT. That was the older version. It is rated at 160 to 215 HP, but was up rated to 230/250 HP in the motorhome/firetruck version. The run was thru 1998 when it was replaced by the 24 valve 5.9L ISB. The newer 5.9L ISB was sold with ratings up to 325+ HP.wny_pat wrote:keepingthelightson wrote:Try 230 to 250 HP!
I think the 300 HP is the 5.9L (older version). The others are the 6.7L
Actually the 5.9 was sold with ratings up to 325+ HP - mines a 305.
