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Excavator Original Mechanical Diesel Engine QSM11 Engine Assembly

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  • QSM11

  • Cummins

Cummins QSM11 engine is a high-performance heavy-duty diesel engine widely used in commercial vehicles, construction machinery, agricultural equipment and other fields.


Main features:

Displacement: The displacement of QSM11 is 11 liters (670 cubic inches), suitable for applications requiring high power and torque.

Power output: The power output range of QSM11 engine is usually between 260 horsepower and 500 horsepower (about 194kW to 373kW), depending on different models and tuning.

Torque: The engine has a very high torque output, usually between 1100 and 1600 Nm (about 813 to 1180 lb-ft), which makes it particularly outstanding under conditions such as high load and climbing.


Design technology:

Turbocharging: QSM11 adopts a turbocharging system to improve intake efficiency and power response.

High-pressure common rail injection system: The system provides precise injection control for the engine, improving fuel efficiency and emission performance.

Cooling system: The engine is designed with an effective cooling system to cope with the heat caused by high-intensity operation.

Emission standards: QSM11 engines usually meet stricter emission standards such as National V and National VI, ensuring good environmental performance.


In order to ensure the best performance and extend the service life of the QSM11 engine, regular maintenance and care are very important. Common maintenance measures include:

Regularly change the engine oil and oil filter.

Check and replace the air filter and fuel filter.

Regularly check the cooling system to ensure normal operation.

Monitor the working status of the engine and deal with any abnormalities or faults in a timely manner.


The Cummins QSM11 engine is widely favored for its high power, high torque, excellent fuel efficiency and environmental performance, and performs well in many heavy-duty and high-intensity applications.


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