MACK , (USED) 2001 Mack E7-355/380 Diesel Engine (NON EGR), Serial # 1J1791, 355/380HP, Engine Family # 1MKXH11.9H59, LOW MILES!!!! Test Run 11-1-16. Visit Our Website for more information on this and any other Diesel Engine you may be looking for. Call . ref INV # 003099