Engines | Mounts, , (USED) 1996 Mack E7-454 Diesel Engine with Jake Brakes (Semi Mechanical Fuel Pump), Serial # 600990, 454HP @ 1800 RPM, llGBA 28401 P3, LOW MILES!!!! Test Run 1-24-17. Visit jjrebuilders.com for more information on this and any other Diesel Engine you may be looking for. Call 1-800-971-3019. ref INV # 003178