View 2 Photos View 0 Videos 2014 Peterbilt 388 Sleeper Semi Truck - 48" Unibilt Flat-Top, Cummins 485HP Newly Listed At auction Jun. 11 2014 PETERBILT 388 Conventional, 48 Inch Unibilt Flat-Top Sleeper, Cummins ISX15 Engine, 485 H.P., Engine Brake, 13 Speed Transmission, (Manual), 40,000 Lb. Rear Ends, 4.11 Ratio, Air Ride... ConditionUsedDuty ClassHeavy Duty Sleeper Semi TruckHorse Power485 HPEngine ModelCummins ISX15Sleeper Size48"SuspensionAir RideRear End40,000 lb 4.11 ratio MLS Number14390203CategorySleeper Semi Trucks Last Updated5/26/2026 LocationPekin, IL, US Listed ByTaylor & Martin LLC (855) 546-___ SHOWNUMBERCall Seller Email Seller Save More Info