1,200,000 Body Miles. 600 ISX Cummins with 286,801 miles.-  New motor/Long Block – 18 speed Transmission 18918 Eaton – Low Air Leaf suspension – 40,000 Full Locker – rear ends 356 ratio – 50,000 miles on new front section from rear end – low air leaf –  80% steer tires on Aluminum wheels and 80% drive tires on Aluminum wheels –  Virgin rubber – Tires are 11R22.5. – 1986 trailer – This truck is an everyday runner