SWAPPING SUPER SINGLES FOR 8 NEW DRIVE TIRES! 550,936 Miles DD13 Detroit 450 HP Manual 10 Speed Air Slide 5th Fleet Maintained Diff Lock 12k Fronts 40k Rears 6x4 3.25 Ratio Air Ride Aluminum Wheels Cruise Jakes Disc Brakes 181" WB *Stock photos - will update once truck arrives and goes through service and detail*