386, Heavy Duty Trucks - Conventional Trucks w/ Sleeper, Cummins ISX 15, 13 Spd, 2013 Pete 386 with the 500 HP ISX 15 Cummins engine. Very clean with 418,470 on the miles, 13 speed, and 3.42 gear ratio. Call for more information!, 500 Horse Power, Pete Low Air Leaf Suspension, Wheels, 244 Wheel Base, 22.5, Tandem Axle, Ratio, 70 Unibilt