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QSM11
Cummins

The Cummins QSM11 is a high-performance, 6-cylinder, in-line, 4-stroke diesel engine renowned for its exceptional power density, reliability, and fuel efficiency . With a substantial 10.8-liter (661 in³) displacement and featuring turbocharged and aftercooled aspiration , this engine is engineered to deliver dependable power across a wide range of heavy-duty industrial, marine, and construction applications . Its versatile design and advanced engineering make it a preferred choice for Original Equipment Manufacturers (OEMs) and operators worldwide.
The QSM11 engine is built to be the powerhouse behind a vast array of heavy-duty machinery and equipment, including:
Construction & Mining Equipment: Excavators (e.g., Komatsu PC450, Hyundai R480LC) , Wheel Loaders , Articulated Dump Trucks, and Drilling Rigs .
Marine Applications: Used for both Recreational and Commercial Propulsion and Auxiliary Power in various vessels .
Power Generation: Ideal for use in prime and standby power generator sets .
Industrial and Other Applications: Also applied in agricultural machinery (e.g., tractors, combine harvesters) , material handling equipment, and on-highway vocational trucks .
Advanced Fuel System: Utilizes the Cummins Celect full-authority electronic unit injection fuel system . This system optimizes combustion for increased engine performance, superior fuel efficiency, and low emissions . Some industrial variants are equipped with a high-pressure common rail system for precise fuel management .
Robust Engine Design: Built for durability, the QSM11 features a heavy-duty design with elements like a cast aluminum oil pan to resist corrosion , ensuring a long service life and reliability in tough conditions .
Efficient Turbocharging: Equipped with a Cummins Turbo Technologies turbocharger optimized for application-specific needs, such as marine use with a large capacity seawater aftercooler .
Global Support and Warranty: Backed by Cummins' extensive global service and parts network , with support options including video technical support and online services for many industrial applications . Some suppliers also offer a one-year warranty .

The Cummins QSM11 is a high-performance, 6-cylinder, in-line, 4-stroke diesel engine renowned for its exceptional power density, reliability, and fuel efficiency . With a substantial 10.8-liter (661 in³) displacement and featuring turbocharged and aftercooled aspiration , this engine is engineered to deliver dependable power across a wide range of heavy-duty industrial, marine, and construction applications . Its versatile design and advanced engineering make it a preferred choice for Original Equipment Manufacturers (OEMs) and operators worldwide.
The QSM11 engine is built to be the powerhouse behind a vast array of heavy-duty machinery and equipment, including:
Construction & Mining Equipment: Excavators (e.g., Komatsu PC450, Hyundai R480LC) , Wheel Loaders , Articulated Dump Trucks, and Drilling Rigs .
Marine Applications: Used for both Recreational and Commercial Propulsion and Auxiliary Power in various vessels .
Power Generation: Ideal for use in prime and standby power generator sets .
Industrial and Other Applications: Also applied in agricultural machinery (e.g., tractors, combine harvesters) , material handling equipment, and on-highway vocational trucks .
Advanced Fuel System: Utilizes the Cummins Celect full-authority electronic unit injection fuel system . This system optimizes combustion for increased engine performance, superior fuel efficiency, and low emissions . Some industrial variants are equipped with a high-pressure common rail system for precise fuel management .
Robust Engine Design: Built for durability, the QSM11 features a heavy-duty design with elements like a cast aluminum oil pan to resist corrosion , ensuring a long service life and reliability in tough conditions .
Efficient Turbocharging: Equipped with a Cummins Turbo Technologies turbocharger optimized for application-specific needs, such as marine use with a large capacity seawater aftercooler .
Global Support and Warranty: Backed by Cummins' extensive global service and parts network , with support options including video technical support and online services for many industrial applications . Some suppliers also offer a one-year warranty .
