(GOOD USED/ RUN TESTED/ INSPECTED) 1998 Mack E7 Diesel Engine (MECHANICAL FUEL PUMP), Serial # 8D1177, 350HP @ 1800LBS, Family # WMKXH0728M44, TEST RUN WATCH VIDEO ON JJ REBUILDERS WEBSITE. Visit JJREBUILDERS for more information on this or any other diesel Engine you may be looking for. Call . REF INV # 005392