I don't own a 2001 Cummins engine anymore, but when I did, it was a Signature 600, rated at 600 horsepower at 2100 RPMs. Your 2001, we can't say without knowing the model of engine you have.
325 stock
80 - 1000+, depending on which model of Cummins diesel engine you had in mind.
260 horsepower
320 Horse power
300 horsepower
320 horsepower
200 hp
12 quarts
4.3l v6 190 hp
how many digree powers stroke
210 horsepower for your 4.0 liter SOHC V6 engine
150 hp 150 hp 150 hp