Truck is an F-450 XLT wrecker, 6.0/TorqueShift, 2WD, 230,000 miles, currently dead due to someone putting morter mix in the fuel tank. Considering the truck is on its third engine already (first two warrantied) and, well, is a 6.doh...might be Cummins time.
So, err...is the Ford-Cummins...