We offer a variety of Mack E7 used diesel engines that fit heavy duty on-highway class 8 trucks, transit buses, dump trucks and refuse applications. The Mack E7 debuted in 1988 replacing the long standing E6 which reigned supreme for over 20 years. The Mack E7 would go on to be a top seller and consumer favorite for their reliability and low end torque. Later versions of the Mack E7 included the ASET and Electronic E-Tech Versions which went up to 465 HP.
Our used Mack E7 engines are all thoroughly inspected and test run to ensure the quality of the components, this especially is important with the EGR and Turbocharger to ensure excess soot doesn’t clog the systems. The majority of our good used E7 runners are around 275-300 HP and are the 11GBA Serial Prefix.
Mack E7 Used Engine Includes:
Camshaft and Lifters
Front Cover and Gear Housing
Oil Pan and Pickup Tube
Includes gaskets, liners, rings and ancillary components
Mechanical or Electronic Fuel Pump
EGR Emission Technology (Later Models Only)
DEF, DPF Emission Technology (Later Models Only)
Charge Air Cooled
ECM (Electronic Models Only)
Engine Brake (Some Models Only)
Inspected for critical wear
Engine Turns 360
90 Day Block and Crank Warranty
Common Configurations: E7 Mechanical – 11GBA, ASET – 5238, 8045, ETECH – 5227, 5228, 8036,
NOTE: Remanufactured options are also available built specifically to your ESN
You’ve come to the right place for all of your heavy duty diesel engine needs. We here at Big Bear Engine Company are old school machine shop guys that know the value of your time whether it be out in the field for an industrial job or at play with an off-road engine swap. We are old school machine shop guys and guarantee the workmanship of all of our engines including our Mack E7 Used Diesel Engines.