Cummins generator sets feature stable performance, high durability, complete power ranges, and extensive after-sales service. They are mainly used for emergency backup power supply and off-grid primar...
READ MOREProduct Advantages
Durability:
The 132KW Dongfeng Cummins generator set adopts the advanced QS platform engine architecture. Its overall structural design is scientifically optimized, with high system compatibility and robust core components. It maintains excellent stability even under complex working conditions and long-term operation. The engine features a high-pressure common rail system and in-cylinder direct injection combustion technology, providing more complete combustion, reducing carbon buildup and mechanical wear, effectively extending the service life of key components, and significantly enhancing overall durability and long-term reliability.
Excellent Performance:
The generator set uses high-pressure common rail and in-cylinder direct injection technology to achieve higher combustion efficiency and lower fuel consumption. It meets China Stage III emission requirements without relying on after-treatment systems, balancing both power performance and environmental standards.
Equipped with the advanced QS platform control system, it offers diverse intelligent control strategies that automatically optimize fuel injection and combustion parameters based on varying operating conditions. This ensures efficient output across multiple applications, significantly enhances high-altitude load capacity, and provides ample power even in high-altitude environments. It also delivers excellent cold-start performance, starting quickly and stably in low-temperature conditions, suitable for complex climates and geographic regions.
High Reliability:
The QS platform features a mature, integrated system design with highly stable control systems and intelligent, reliable operation logic. The fuel, electronic, and power systems are well-matched, ensuring stable operation and low failure rates. Even under complex conditions, high loads, and frequent start-stop cycles, it maintains stable output and reliable power supply, meeting industrial-grade electricity requirements.
Easy Maintenance:
With a modular structure and high system integration, the layout is compact and well-organized, providing ample space for inspection and maintenance. The high-pressure common rail and electronic control systems are based on mature platform designs with standardized maintenance procedures, making operation convenient. High parts interchangeability and easy access to replacement components reduce maintenance difficulty and operational costs, improving overall efficiency and usability.
Technical Parameters
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Unit power |
144 KW |
Engine |
Dongfeng Cummins QSB6.7-G3 |
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Generator |
Yangzhou Kangcheng KC144-4 |
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Engine: QSB6.7-G3 |
Generator: single bearing, IP22 protection rating, Class H insulation |
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Radiator rated for 40°C ambient temperature, cooling fan with safety guard, air filter, fuel filter, and oil filter |
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Common steel base frame, vibration isolators, standard control panel |
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24V charging alternator, industrial-grade silencer (muffler), and standard connection fittings |
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Maintenance-free lead-acid battery and battery connecting cables |
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Voltage level |
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Voltage V |
Frequency Hz |
Number of phases |
Rated current A |
Power KW |
Power factor |
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400/230 |
50 |
3 |
259.2 |
144 |
0.8 |
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Engine parameters |
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Manufacturer/Model |
Dongfeng Cummins/QSB6.7-G3 |
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Inhalation method |
Turbocharged, air-to-air intercooled |
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Fuel system |
BOSCH Common Rail System |
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Compression ratio |
17.3:1 |
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Number of cylinders/arrangement |
6-cylinder/inline |
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Displacement |
6.7 L |
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Cylinder bore * stroke |
107*124 mm |
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Rated speed |
1500rpm |
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Engine power (main/spare) |
151KW/166KW |
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Speed control system |
Electronic speed control |
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Fuel system |
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100% backup power |
210 g/kw.h |
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Basic output power 25% |
250 g/kw.h |
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Basic output power 50% |
236 g/kw.h |
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Basic output power 75% |
229 g/kw.h |
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Basic output power 100% |
208 g/kw.h |
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Lubrication system |
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Lubricating oil capacity |
19.5 L |
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Cooling system |
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Coolant capacity |
9.4 L |
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Generator parameters |
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Number of phases |
3 |
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Wiring method |
Three-phase four-wire, Y-type interconnection |
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Number of bearings |
1 |
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Power factor |
0.8 |
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Protection level |
IP22 |
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Altitude requirements |
≤1000m |
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Excitation system |
Brushless self-excited magnet |
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Insulation class/temperature rise class |
H/H |
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Telephone Influence Factor (TIF) |
<50 |
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Telephone harmonic coefficient THF |
<2% |
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Unit performance parameters |
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Voltage setting range |
≥±5% |
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Steady-state voltage regulation |
≤±1% |
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Transient voltage deviation (100% sudden power reduction) |
≤+25% |
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Transient voltage deviation (sudden power increase) |
≤-20% |
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Voltage recovery time (100% sudden power reduction) |
≤6S |
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Voltage recovery time (sudden power increase) |
≤6S |
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Frequency setting range |
0-5% |
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Steady-state frequency band |
≤1.5% |
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Transient frequency deviation (100% sudden power reduction) |
≤+12% |
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Transient frequency deviation (sudden power increase) |
≤-10% |
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Frequency recovery time (100% power drop) |
≤5S |
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Frequency recovery time (sudden power increase) |
≤5S |
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Unit weight |
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Unit size |
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