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  2. Mack TerraPro - Wikipedia

    en.wikipedia.org/wiki/Mack_TerraPro

    The Mack MP7 is the base engine in the TerraPro. It is a 659 cubic inches (10.8 L) overhead cam turbocharged inline six-cylinder diesel engine. It develops 325 to 425 horsepower (242 to 317 kW) and 1,260 to 1,560 pound force-feet (1,710 to 2,120 N⋅m) of torque.

  3. Mack Granite - Wikipedia

    en.wikipedia.org/wiki/Mack_Granite

    The Granite is available with two Mack diesels, a Cummins diesel, and a Cummins Westport natural gas engine. [1] Between 2001 and 2005 an earlier generation Mack diesel was used. [2] The Mack MP7 is the base engine in the Granite. It is a 659 cubic inches (10.8 L) overhead cam turbocharged inline six-cylinder diesel engine. It develops 325 to ...

  4. Mack Trucks - Wikipedia

    en.wikipedia.org/wiki/Mack_Trucks

    Mack Trucks, Inc. is an American truck manufacturing company and a former manufacturer of buses and trolley buses.Founded in 1900 as the Mack Brothers Company, it manufactured its first truck in 1905 and adopted its present name in 1922. [1]

  5. Compression release engine brake - Wikipedia

    en.wikipedia.org/wiki/Compression_release_engine...

    The typical compression brake consists of a hydraulic system using engine oil which transfers the motion of the fuel injector rocker arm to the engine's exhaust valve(s). When activated, the exhaust valve opens very briefly near the engine's top dead center , and releases the compressed air in the cylinder so that the air compression energy is ...

  6. Mack LR - Wikipedia

    en.wikipedia.org/wiki/Mack_LR

    The LR is available with a Mack MP7 diesel, Cummins Westport natural gas engine, and since 2020, an all-electric drivetrain. [3] [4] The Mack MP7 is the base engine in the LR. It is a 659 cubic inches (10.8 L) overhead cam turbocharged inline six-cylinder diesel engine. It develops 325 to 425 horsepower (242 to 317 kW) and 1,260 to 1,560 pound ...

  7. Double check valve - Wikipedia

    en.wikipedia.org/wiki/Double_check_valve

    A double check valve or double check assembly (DCA) is a backflow prevention device designed to protect water supplies from contamination. [1] It is different from the two-way check valves (sometimes erroneously referred to as double check valves) used in air brake systems on heavy trucks which select from the highest pressure source.

  8. Mack F series - Wikipedia

    en.wikipedia.org/wiki/Mack_F_series

    The Mack F series was the third generation of cabover trucks from Mack Trucks. Its production began in 1962 and ended in 1981. Its production began in 1962 and ended in 1981. It was produced primarily as a set-forward axle truck but a setback axle version was shipped overseas (from the USA).

  9. Blowoff valve - Wikipedia

    en.wikipedia.org/wiki/Blowoff_valve

    A blowoff valve is designed to release pressure in the intake system when the throttle is closed. A "recirculating" type blowoff valve releases the pressurised air back into the non-pressurized section of the intake (i.e. upstream of the turbocharger), while an "atmospheric venting" type blowoff valve dumps the air directly into the atmosphere.