Mack MP8 Diesel

Mack MP8 Diesel

13 L, 415–505 HP Heavy-Duty Legend

Power: 415 – 505 HP | Torque: 1,460 – 1,860 lb-ft
Displacement: 13 L | Config: Inline-6 | Emissions: EPA 2017 / GHG 17

The Mack MP8 packs the muscle your fleet needs for demanding highway and vocational loads. A variable-geometry turbocharger, common-rail fuel system, and wave-piston design produce big horsepower, a flat torque curve, and outstanding fuel economy—while meeting the latest emissions standards.

Key Advantages

  • VGT™ Turbo — instant boost and stronger engine braking.
  • Wave-Piston Technology — cleaner combustion, lower DEF consumption.
  • Common-Rail Injection — precise fueling for maximum MPG and reduced soot.

MP8 Engines & Parts In Stock at Boots & Hanks

  • Dyno-tested complete Mack MP8 engines
  • Reman long blocks & cylinder heads
  • Turbos, injectors, VGT actuators, ECMs, gasket kits, overhaul parts

Every unit is compression-tested, warrantied, and ready for same-day worldwide shipping.

Power your Mack fleet with proven MP-series reliability—call 800-738-7802 or browse live inventory at BootsAndHanksTruckParts.com today.