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6.7 CUMMINS – high efficiency engine

6.7 Cummins engine is a core product of Cummins’ B-series platform, widely considered for large and medium-sized buses, trucks, and municipal vehicles. This engine’s power range covers 185-300 horsepower, employs fully electronic control technology, and meets Euro V, China V, China VI, and Euro 6D emission standards. Its main features include:

  • High efficiency and fuel economy: High-pressure common rail fuel system with injection pressure reaching 1800 bar, ensuring complete combustion and a wide economic fuel consumption range.
  • Strong power: Quick start, good acceleration, and excellent low-speed output.
  • Intelligent control: Advanced electronic control system supports real-time fault monitoring and early warning, ensuring optimal engine operating conditions.
  • Wide application: Over 4 million units have been installed globally, widely evaluated in vehicles and passenger cars.

The engine’s design and manufacturing are based on Cummins‘ century-long engineering experience, ensuring its reliability and durability.

6.7 Cummins engine utilizes high-pressure common rail and direct injection combustion technology, meeting Level III emission requirements even without an after-treatment system. The advanced QS platform features diverse control strategies, ensuring excellent performance under different working conditions and applications, comprehensively enhancing high-altitude loading capabilities, and providing superior cold start performance.

6.7 CUMMINS SERES

Type Coolpac/engine)Engine Power
Gen-set Power
Displacement
Governer
1500rpm/1800rpm50Hz/60Hz
PrimeStandbyPrimeStandby
kWmkWmkWeKVAkWeKVA
QSB-G120F1/QSB6.7-G3151/Na166/Na120/Na150/Na132/Na165/Na6.7LECU
QSB-G144F1/QSB6.7-G4168/Na185/Na144/Na180/Na160/Na200/Na
QSB-G150F1/QSB6.7-G32173/Na190/Na150/Na188/Na165/Na206/Na
QSB-G180F1/QSB6.7-G31209/Na230/Na180/Na225/Na200/Na250/Na

6.7 Cummins General Motors Engine Date

Engine TypeIn-Line,6Cylinders,4Cycle Diesel Engine
Bore107mm
Stroke124mm
Displacement6.7L
Compression Ration17.3:1
Governor RegulationECM≤1%
Electrical System24V
Fuel systemHPCR
Lube Capacity19.5L
Lube Oil Type15W40-CH4 /Higher Than 15W40-CH4
FlywheelSAE2#11.5

6.7 Cummins COOLPAC Performance Data

Cooling System DesignPositive Water Cooling Cycle
Coolant TypeOrganic Long Lasting Coolant
Coolant Capacity55.4L
(℃)/Limiting Ambient Temp40
Filter TypeDry replaceable element with restriction indicator

Изображение Steven

Стивен

Специалист по дизельным двигателям с более чем 12-летним опытом работы с запчастями для двигателей Cummins, решениями по техническому обслуживанию и дизельными системами для тяжелых условий эксплуатации.

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