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QSB6.7
Cummins
Product Description: Cummins QSB6.7 Diesel Engine
Overview
The Cummins QSB6.7 is a versatile, high-performance 6.7-liter diesel engine renowned for its power density, reliability, and fuel efficiency. Engineered with full-authority electronic controls and advanced fuel system technology, it delivers robust performance for a wide range of demanding marine and industrial applications.
Technical Specifications
| Feature | Specification |
|---|---|
| Engine Model | Cummins QSB6.7 |
| Configuration | In-line 6-cylinder, 4-Stroke |
| Displacement | 6.7 Liters |
| Aspiration | Turbocharged and Aftercooled |
| Fuel System | High-Pressure Common Rail (HPCR) |
| Control System | Full-authority Electronic Control Module (ECM) |
| Emissions Compliance | Meets EPA Tier 3 / EU Stage IIIA and equivalent global standards. |
Note: For precise power ratings, torque curves, and certified emission levels, please consult the official Cummins datasheet for the specific model variant.
Primary Equipment Applications
The QSB6.7 engine is engineered to be a reliable prime mover across multiple sectors:
Marine Propulsion & Auxiliary Power: A leading choice for recreational yachts, sport cruisers, and commercial workboats. It is available in both propulsion and auxiliary generator set configurations.
Industrial Power Generation: Serves as a dependable core for prime and standby diesel generator sets used in construction, telecom, and critical facility backup.
Construction & Agricultural Machinery: Powers a range of equipment such as excavators, wheel loaders, and large agricultural tractors requiring durable and efficient power.
Firefighting & Pump Drives: Provides reliable power for fire pump systems and high-capacity industrial water pumps.
Core Technologies & Design Advantages
High-Pressure Common Rail (HPCR) Fuel System: This system enables extremely precise fuel injection control, resulting in superior combustion efficiency, improved fuel economy, significantly lower noise and vibration, and excellent cold-start performance.
Advanced Electronic Control Module (ECM): The full-authority ECM acts as the intelligent brain of the engine, providing real-time performance optimization, comprehensive diagnostics, system protection features, and seamless integration with modern equipment control systems.
Robust and Durable Platform: Built on a proven heavy-duty architecture, the QSB6.7 features a strong cylinder block, forged steel crankshaft, and advanced component design for maximum uptime and long service life in harsh operating environments.
Compact Design with High Power Density: The engine delivers exceptional power output from a compact and lightweight package, providing designers with flexibility for equipment installation while maintaining high performance.
Product Description: Cummins QSB6.7 Diesel Engine
Overview
The Cummins QSB6.7 is a versatile, high-performance 6.7-liter diesel engine renowned for its power density, reliability, and fuel efficiency. Engineered with full-authority electronic controls and advanced fuel system technology, it delivers robust performance for a wide range of demanding marine and industrial applications.
Technical Specifications
| Feature | Specification |
|---|---|
| Engine Model | Cummins QSB6.7 |
| Configuration | In-line 6-cylinder, 4-Stroke |
| Displacement | 6.7 Liters |
| Aspiration | Turbocharged and Aftercooled |
| Fuel System | High-Pressure Common Rail (HPCR) |
| Control System | Full-authority Electronic Control Module (ECM) |
| Emissions Compliance | Meets EPA Tier 3 / EU Stage IIIA and equivalent global standards. |
Note: For precise power ratings, torque curves, and certified emission levels, please consult the official Cummins datasheet for the specific model variant.
Primary Equipment Applications
The QSB6.7 engine is engineered to be a reliable prime mover across multiple sectors:
Marine Propulsion & Auxiliary Power: A leading choice for recreational yachts, sport cruisers, and commercial workboats. It is available in both propulsion and auxiliary generator set configurations.
Industrial Power Generation: Serves as a dependable core for prime and standby diesel generator sets used in construction, telecom, and critical facility backup.
Construction & Agricultural Machinery: Powers a range of equipment such as excavators, wheel loaders, and large agricultural tractors requiring durable and efficient power.
Firefighting & Pump Drives: Provides reliable power for fire pump systems and high-capacity industrial water pumps.
Core Technologies & Design Advantages
High-Pressure Common Rail (HPCR) Fuel System: This system enables extremely precise fuel injection control, resulting in superior combustion efficiency, improved fuel economy, significantly lower noise and vibration, and excellent cold-start performance.
Advanced Electronic Control Module (ECM): The full-authority ECM acts as the intelligent brain of the engine, providing real-time performance optimization, comprehensive diagnostics, system protection features, and seamless integration with modern equipment control systems.
Robust and Durable Platform: Built on a proven heavy-duty architecture, the QSB6.7 features a strong cylinder block, forged steel crankshaft, and advanced component design for maximum uptime and long service life in harsh operating environments.
Compact Design with High Power Density: The engine delivers exceptional power output from a compact and lightweight package, providing designers with flexibility for equipment installation while maintaining high performance.