T680, Heavy Duty Trucks - Conventional Trucks w/ Sleeper, Cummins ISX 15L, 13 Spd, 2015 KENWORTH T680 FOR SALE VIT INTERIOR, NAV PLUS, CUMMINS ISX 15L, 525 HP, TANDEM AXLE. COME TAKE A LOOK OR CALL FOR MORE INFORMATION!!, 525 Horse Power, Suspension, Wheels, 236 Wheel Base, , Tandem Axle, Ratio, 76 Raised Roof Sleeper