388, Heavy Duty Trucks - Conventional Trucks w/ Sleeper, Cummins ISX, 18 Spd, This truck just came in on trade. Has a 2 line wet system. The engine has a 1850 torque with a 550 HP setting. We do not have any records of past maintenance on this unit. This unit is being Sold as it sits. More pictures upon request. Call today to make an appointment to see this truck, 508-792-2500, 550 Horse Power, Air Ride Suspension, Aluminum Wheels, 259 Wheel Base, , Tandem Axle, Ratio, 58 Mid Roof Sleeper