![]() ![]() They originally had 5 speeds and developed into 8 speeds with low range gears. Mack Maxitorque transmissions are designed to work with Maxidyne engines and have fewer and wider-spaced gears than more conventional models. The lowest transmission gear can be either an on-road or very low off-road ratio. Each was suited for different applications.Īll manual transmission except the 6-speed had a 5-speed transmission, additional speeds were made with combinations of ranges. Mack, Allison, Fuller, and Spicer transmissions have been available, evolving over time. It developed 175 to 210 horsepower (130 to 157 kW) and 400 to 485 pound force-feet (542 to 658 N⋅m) of torque. The Caterpillar 3208 was a 636 cubic inches (10.4 L) V8 engine. The Mack E7 was a 728 cubic inches (11.9 L) turbocharged inline six-cylinder engine. it developed 200 to 350 horsepower (150 to 260 kW). The Mack E6 was a 672 cubic inches (11.0 L) turbocharged inline six-cylinder engine. This allows less shifting and smoother power "on the ground" when accelerating. Maxidyne high-torque engines have a wide power band and can develop maximum power below the governed speed they are rated at. The MR was available with the E6 series and E7 series diesel engines. The MC was available with Mack E6 series and mid-range Caterpillar 3208 series diesel engines. The dashboard is lit from a single source through fibreoptics, this being a very early example of such an application. The cab tilts through a full 90 degrees, allowing for the radiator to be removed without first removing the cab. The engine intrudes considerably into the low cab. The low profile cab is of steel, while the doors are fibreglass. Export models are coded MCE and MRE respectively. The right-hand drive models also have the exhaust relocated to the left, while the turbocharger is mounted behind the engine so as to provide more space and less heat soak. This allowed Mack to market the truck in the United Kingdom without costly conversions, and also opened the trash truck market at home. The MC/MR was designed from the beginning to be available in right-hand drive as well as left-hand drive. The MR was widely used in refuse applications and continued in production until up-graded as the MRU TerraPro in 2007. The MC was used for custom-built fire equipment, when Mack exited the market in 1990 they discontinued the MC. It is of a distinct "set back front axle" design (first seen on the Mack FM), with the driver compartment mounted ahead of the front axle and with a large, flat, divided windscreen covering almost half of the truck's frontal aspect. *ad.The Mack MC/MR series, also known as the "Cruise-Hauler", is a cabover truck first introduced in 1978. Click here to learn more and get your quotes. Tesla now offers price matching, so it’s important to shop for the best quotes. UnderstandSolar is a free service that links you to top-rated solar installers in your region for personalized solar estimates. Read more: A Volvo FH Electric semi just made a 3,000 km trip across Europe Mack Trucks has a goal of 35% of its sales to be zero emission vehicles by 2030, and it also has a goal to reduce emissions in its operations and freight transports by 50% by 2030. The Mack MD Electric will be produced in Roanoke Valley, Virginia, where Mack began production of the Mack MD Series in 2020. In testing, the SEA-Drive-equipped Mack MD6 successfully completed a grueling durability assessment, equivalent to more than 500,000 miles on one of the toughest and most challenging tracks. Tony Fairweather, SEA Electric CEO and founder, said: The Class 6 and 7 models will be equipped with the SEA-Drive 120 and 180 power systems. Mack Trucks has signed a five-year agreement with global electric commercial vehicle maker SEA Electric, which will supply Mack with its SEA-Drive power system. Both models are exempt from the 12% Federal Excise Tax. The Class 6 model has a Gross Vehicle Weight Rating (GVWR) of 25,995 pounds, and the Class 7 model has a GVWR of 33,000 pounds. The Mack MD Electric will be available in Class 6 and Class 7 ratings. It first debuted the Mack LR Electric garbage truck in December 2021. The MD Electric is the second EV that Mack Trucks, which is part of the Volvo Group, has launched. Mack Trucks today announced the launch of the MD Electric, the company’s first EV in the trucking industry’s medium-duty segment.
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