(GOOD USED/ RUN TESTED/ INSPECTED) 1997 Mack E7 Diesel Engine with Jake Brakes (VMAC1), Serial # 7R1358, 427 HP @ 1800LBS, 11GBA: 28366P4, 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 # 005541