View 1 Photo View 0 Videos 1988 Peterbilt 379EXHD Sleeper Semi Truck - 63" Unibilt Flat-Top, Caterpillar 550HP Newly Listed At auction Jul. 23 1988 PETERBILT 379 Extended Hood Conventional, 63 Inch Unibilt Flat-Top Sleeper, Caterpillar 3406C Engine, 550 H.P., Engine Brake, RTO-14613 Transmission, (Manual), 40,000 Lb. Rear Ends,... ConditionUsedDuty ClassHeavy Duty Sleeper Semi TruckHorse Power550 HPEngine ModelCaterpillar 3406CSleeper Size63"SuspensionAir RideRear End40,000 lb 3.70 ratio MLS Number14469316CategorySleeper Semi Trucks Last Updated7/7/2026 LocationFort Worth, TX, US Listed ByTaylor & Martin LLC (855) 546-___ SHOWNUMBERCall Seller Email Seller Save More Info