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QSK19
Cummins

The Cummins QSK19 is a robust 6-cylinder, in-line, 4-stroke diesel engine renowned for its exceptional power density, reliability, and fuel efficiency in the most demanding environments . With a substantial 19-liter (1159 cu in) displacement and featuring turbocharged aspiration with air-to-air charge cooling, 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 QSK19 engine is built to be the powerhouse behind a vast array of heavy-duty machinery and equipment, including:
Construction & Mining Equipment: Excavators, Wheel Loaders, Cranes, Asphalt Planers, and Mining Trucks .
Marine Applications: Used for both propulsion and auxiliary power in commercial vessels, super yachts, and yacht support vessels .
Industrial Power Units: Generator sets for prime or standby power .
Advanced Fuel System: Utilizes the Cummins Modular Common Rail Fuel System (MCRS). This system provides constant high injection pressure regardless of engine speed or load, resulting in cleaner combustion, improved fuel efficiency, lower noise, and reduced vibration .
Full-Authority Electronic Controls: The engine is managed by Cummins' Quantum System with a CM850 Electronic Control Module (ECM). This system offers twice the processing speed of its predecessor, enabling precise control over combustion, advanced self-diagnostics, prognostics, and complete engine protection for optimized performance in all conditions .
Robust Engine Design: Built for durability, key features include an Extra-Wide Gear Train for handling high loads, Precision-Honed Cylinder Liners for exceptional surface smoothness and longevity, and a High-Durability Camshaft with microfinishing that lasts twice as long as previous designs .
Efficient Single-Stage Turbocharging: Equipped with a Holset Turbocharger that lowers intake air temperatures. This increases air density, resulting in more power and lower emissions from less fuel .
Low-Maintenance Design: Engineered to minimize downtime, with features like a Two-Stage Oil Filter and articulated pistons that help extend oil change intervals . Options like the ELIMINATOR™ centrifugal filtration system can further extend service intervals up to 1,000 hours .

The Cummins QSK19 is a robust 6-cylinder, in-line, 4-stroke diesel engine renowned for its exceptional power density, reliability, and fuel efficiency in the most demanding environments . With a substantial 19-liter (1159 cu in) displacement and featuring turbocharged aspiration with air-to-air charge cooling, 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 QSK19 engine is built to be the powerhouse behind a vast array of heavy-duty machinery and equipment, including:
Construction & Mining Equipment: Excavators, Wheel Loaders, Cranes, Asphalt Planers, and Mining Trucks .
Marine Applications: Used for both propulsion and auxiliary power in commercial vessels, super yachts, and yacht support vessels .
Industrial Power Units: Generator sets for prime or standby power .
Advanced Fuel System: Utilizes the Cummins Modular Common Rail Fuel System (MCRS). This system provides constant high injection pressure regardless of engine speed or load, resulting in cleaner combustion, improved fuel efficiency, lower noise, and reduced vibration .
Full-Authority Electronic Controls: The engine is managed by Cummins' Quantum System with a CM850 Electronic Control Module (ECM). This system offers twice the processing speed of its predecessor, enabling precise control over combustion, advanced self-diagnostics, prognostics, and complete engine protection for optimized performance in all conditions .
Robust Engine Design: Built for durability, key features include an Extra-Wide Gear Train for handling high loads, Precision-Honed Cylinder Liners for exceptional surface smoothness and longevity, and a High-Durability Camshaft with microfinishing that lasts twice as long as previous designs .
Efficient Single-Stage Turbocharging: Equipped with a Holset Turbocharger that lowers intake air temperatures. This increases air density, resulting in more power and lower emissions from less fuel .
Low-Maintenance Design: Engineered to minimize downtime, with features like a Two-Stage Oil Filter and articulated pistons that help extend oil change intervals . Options like the ELIMINATOR™ centrifugal filtration system can further extend service intervals up to 1,000 hours .
