The pickup is more powerful than the dump truck, because the dump truck engine needs to be happy running under full load almost all the time. Pickup diesels are in a state of tune where they develop monster numbers for marketing purposes but it's easy to overstress them if you're not careful. Medium-duty service… » 3/04/15 4:33pm Yesterday 4:33pm

Puzzled why no one has mentioned the Rolls RB211-535E4. That's the other 757 engine — and it's the 757 engine that, unlike the Pratt, is more reliable than dirt. It's in exactly the right thrust range for a nice bump, it runs absolutely forever, and it pretty much never breaks. It's understressed because it's a… » 2/14/15 11:36pm 2/14/15 11:36pm