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Cummins Land-based Generator

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Cummins Land based QSB3.9-G, 4BT3.9-G generator
Cummins Land based QSB3.9-G, 4BT3.9-G generator
Cummins Land based QSB3.9-G, 4BT3.9-G generator

Cummins Land based QSB3.9-G, 4BT3.9-G generator

  • Standard


DCEC 4B3.9-G,4BT3.9-G,4BT3.9-G generator drive engine is a 4-cylinders in line,3.9 liter four-strokes engine with 102mm bore and 120mm stroke. Equipped with BYC A pump and RSV mechanical governor.

Applications :

Cummins 4B3.9 generator serials engine included models of 4B3.9-G1, 4B3.9-G2,4BT3.9-G1,4BT3.9-G2,4BTA3.9-G2,the applications widely use on electric power, different industries etc..

Advantages of 4BT3.9 Serials Generator:

1. Efficient and fuel-saving: the cylinder bore adopts a platform mesh honing design; the perfect geometric structure effectively prevents oil leakage.

2. adopts advanced technologies such as new piston ring components and gasket crimping molding to reduce oil loss.

3. Manufacturing process: The cylinder block and cylinder head adopt integrated design, which eliminates the occurrence of engine water leakage and oil leakage.

4. The parts are about 40% less than other similar engines, and the failure rate is greatly reduced.

5. Strong power: adopts Holset supercharger with integral wastegate valve, low-speed response and strong power.

6. Advanced design and high-quality manufacturing, adaptable to severe operating conditions, high strength, and reliable operation under heavy load.

7. The advanced design enables the engine to obtain a larger liter of power, reaching 22.4kW/L, with a smaller specific weight.

8. Equipped with an air intake electric preheating device and a 6.6kW high-power starter, which completely improves the engine’s cold start performance.

Specification details:

Cummins 4B3.9-G Diesel Engine for Generator Set
Engine Model4B3.9-G1,4B3.9-G2,4BT3.9-G1,4BT3.9-G2,                                        4BTA3.9-G2,QSB3.9-G
Rated Power &Speed24kW/32HP @ 1500rpm -58KW(79 HP)@1500rpm
Standby Power &Speed 27 kW/36HP @ 1500rpm-63KW(85 HP)@1500rpm
Engine Type4 Cylinders, in Line
Displacement3.9 L
Compression Ratio18:01
Fuel Consumption6.7 L/hr
Aspiration TypeNatural Aspiration
Cooling MethodWater Cooled
Start Type24V, Electric Start
Fuel SystemBYC A Pump
Governor MethodMechanical Governor
Packing Weight320KG
Dimension  867mm*544mm*988mm
Cummins diesel engine 4B3.9-G trade information
Warranty Time1 year or 1000 hours, which one comes first
Delivery PortShanghai or any China port
Leading Time15 working days
trade TermesFOB/CIF
Payement termes T/T, L/C