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B3.9CS4
Cummins

Product Description: Cummins B3.9CS4 Diesel Engine
The Cummins B3.9CS4 is a durable and versatile 4-cylinder diesel engine designed to deliver reliable power for demanding industrial and construction equipment. Built for efficiency and low total cost of ownership, this water-cooled, turbocharged engine provides a robust power solution for a wide range of heavy-duty applications.
The B3.9CS4 series offers several power ratings to suit different equipment needs. The following table summarizes the key variants and their performance data:
Note: The engine features a 4-stroke cycle, water-cooling system, and supercharged intake. It is designed to comply with the China National Standard Stage IV (equivalent to Euro IV) emission regulations.
This engine is engineered as a prime power source for various heavy-duty mobile equipment, including:
Road Construction Machinery: Such as compact wheeled pavers for tasks like road resurfacing.
Mining and Tunneling Equipment: Including hydraulic drill jumbos for underground mining and tunneling operations.
General Construction Equipment: Powering a broad range of machinery including loaders, excavators, and drilling rigs.
Advanced Emission Control: The engine incorporates a unique Exhaust Gas Recirculation (EGR) system. This design allows it to meet stringent China IV emission standards without requiring a urea-based Selective Catalytic Reduction (SCR) system, simplifying operation and reducing ownership costs.
High-Efficiency Fuel System: It utilizes a new generation of high-pressure fuel injection technology. This system enables precise injection control and fuel supply compensation, leading to higher fuel efficiency and superior fuel economy.
Robust and Durable Design: The engine benefits from a modern architecture that employs new materials and manufacturing processes. This enhances its robustness, adaptability to various fuel qualities, and overall suitability for the harsh operating environments typical of construction machinery.

Product Description: Cummins B3.9CS4 Diesel Engine
The Cummins B3.9CS4 is a durable and versatile 4-cylinder diesel engine designed to deliver reliable power for demanding industrial and construction equipment. Built for efficiency and low total cost of ownership, this water-cooled, turbocharged engine provides a robust power solution for a wide range of heavy-duty applications.
The B3.9CS4 series offers several power ratings to suit different equipment needs. The following table summarizes the key variants and their performance data:
Note: The engine features a 4-stroke cycle, water-cooling system, and supercharged intake. It is designed to comply with the China National Standard Stage IV (equivalent to Euro IV) emission regulations.
This engine is engineered as a prime power source for various heavy-duty mobile equipment, including:
Road Construction Machinery: Such as compact wheeled pavers for tasks like road resurfacing.
Mining and Tunneling Equipment: Including hydraulic drill jumbos for underground mining and tunneling operations.
General Construction Equipment: Powering a broad range of machinery including loaders, excavators, and drilling rigs.
Advanced Emission Control: The engine incorporates a unique Exhaust Gas Recirculation (EGR) system. This design allows it to meet stringent China IV emission standards without requiring a urea-based Selective Catalytic Reduction (SCR) system, simplifying operation and reducing ownership costs.
High-Efficiency Fuel System: It utilizes a new generation of high-pressure fuel injection technology. This system enables precise injection control and fuel supply compensation, leading to higher fuel efficiency and superior fuel economy.
Robust and Durable Design: The engine benefits from a modern architecture that employs new materials and manufacturing processes. This enhances its robustness, adaptability to various fuel qualities, and overall suitability for the harsh operating environments typical of construction machinery.
