The Mack MP8 with turbo compounding will be available for order in October 2016. The 2017 Mack MP8 will be available for order in April 2016, while the 2017 MP7 and MP10 engines will be available for order in July 2016. This is only available with Mack’s Super Econodyne downspeeding package. The extra power this system generates can result in an estimated 8-8.8% fuel economy improvement with as low as 900 RPM (with full torque). In mid-2017, the 445-HP MP8 engine will be available with turbo compounding. “We’re making improvements to get us to that next level.” “It’s not a new engine, it’s an evolution,” said Stu Russoli, Mack’s highway and powertrain products marketing manager. Combined with a two-speed coolant pump, these features help increase MP7 fuel efficiency by between 2.5% and 5.1%, and MP8 fuel efficiency by between 2.5% and 5%, depending on the use of downspeeding. Both engines feature an updated wave piston design that raises the compression ratio and enables more complete combustion of fuel, while a common-rail fuel system more precisely injects fuel.

The 2017 versions of Mack’s 11-liter MP7 and 13-liter MP8 engines bring with them several new features.

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