Issue link: http://read.dmtmag.com/i/721014
Mack Truck's next step in the evolution of its integrated powertrain introduces its 2017 Mack® MP® series engines, bringing significant improvements in fuel efficiency, power and productivity, while reducing greenhouse gas emissions. anks to several upgrades and enhancements, the new engines boost fuel efficiency from 2.1 to 8.8 percent compared with prior model year engines. ENGINE ADVANCEMENTS Mack's 11-liter MP7 and 13-liter MP8 engines received a number of advancements for 2017, simplifying maintenance and improving efficiency and productivity. 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. Combined with a two-speed coolant pump, these features help increase MP7 fuel efficiency by up to 5.1 percent and MP8 fuel efficiency by up to 5 percent. A number of additional improvements were made to both engines, including a new two-piece valve cover, shimless rockers and a low-pressure fuel system with an enhanced, integrated aertreatment dosing module to reduce maintenance needs. An updated, double-walled EGR flow sensor helps reduce condensation and soot buildup in cold weather, while a new intake throttle enables a faster warmup when the engine is started. TURBO COMPOUNDING For customers with long-haul applications, Mack will offer the 2017 MP8 engine with a turbo compounding system engineered to give customers a no-compromise increase in power and efficiency. Turbo compounding converts waste energy from the exhaust into mechanical energy that is fed back to the engine. e system adds up to 50 additional horsepower, enabling a substantial increase of fuel efficiency of up to 8.8 percent. NEW mDRIVE HD SERIES e updated 2017 Mack MP series engines complement Mack's recently launched Mack mDRIVE™ HD 13- and 14-speed automated manual transmissions. With up to two low-ratio creeper gears, the new mDRIVE HD variants provide improved startability for heavy loads, while maintaining proper gearing for fuel efficiency at speed. Several of the revised components and technologies found on Mack's 2017 MP series engines – including the patented wave piston, turbo compounding and the common rail fuel injection system – were derived from research and development work associated with the U.S. Department of Energy's SuperTruck program. e SuperTruck program, a cost-shared, public-private partnership, aims to help accelerate the research and development of advanced efficiency technologies to improve the freight-hauling efficiency of heavy-duty Class 8 long-haul tractor-trailer trucks. Other truck modifications include various engine compartment updates, vehicle chassis updates, and Predictive Cruise Control that combines mDRIVE & GPS with an intelligent cruise control for additional fuel savings. ORDERING OPPORTUNITIES e 2017 Mack MP8 was available for order in April 2016, while the 2017 MP7 and MP10 engines were available for order in July 2016. e Mack MP8 with turbo compounding will be available for order in October 2016. BRUCKNERTRUCK.COM T R U C K S • C A B S • S L E E P E R S • T R A I L E R S • P A R T S • Q U O T E S 6 Feature Story 2017 MACK POWERTRAIN MACK TRUCKS - 2017 ENGINE LINEUP BOOSTING POWER PRODUCTIVITY AND EFFICIENCY