I own a 2016 hd2500 6.0 and I pull an 8000 pound camper and a 29 foot 7500lb cabin cruiser with no problem. The gas mileage does suck but it also sucked with my old hd 2500 350 truck and I know 454 trucks suck on gas mileage. The only option is diesel and in m... Login to read more.

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