Cummins 4B3.9 Engine Assembly

Description: Cummins 4B3.9 Engine Assembly, brand new and genuine, this engine is produced by DCEC, Dongfeng Cummins Engine Company. 4B3.9 Engine parameters for Marine engine

Products Details

Product Parameter

Type In-line four-cylinder, water-cooled, four-stroke
Bore×stroke 102×120mm
Displacement 3.9L
Air intake method Turbocharged
Maximum power 148/110 (horsepower/kw)
Rated speed 2200 r/min

Cummins 4B3.9 Engine advantage

1.Advanced design and sophisticated manufacturing, adapt to various harsh working conditions, high strength, strong ability to work under heavy loads. 2.Cylinder block and cylinder head adopt integrated design to prevent the occurrence of engine water and oil leakage. The parts are about 40% less than other similar engines, and the failure rate is greatly reduced.. 3.The cylinder bore adopts a platform mesh honing design, the perfect geometric structure effectively prevents oil leakage, and the use of advanced technologies such as new piston ring components and gasket crimping molding reduces oil loss. 4.Adopt Holset supercharger with integral wastegate valve, low speed response and strong power. The three-stage fuel filter ensures a balanced level of particle dispersion, protects the main components of the fuel system, and maximizes the life of the engine.

4B3.9 Engine Model Diversity

Engine Model

rated power kW/rpm

Standby power/speed kW/rpm

Cylinders Qty

Displacement L

Air intake method

4BT3.9-GM47

47@1500

52@1500

4

3.9

Turbocharged

4BT3.9-GM55

55@1500

61@1500

4

3.9

Turbocharged

4BT3.9-GM65

65@1800

72@1800

4

3.9

Turbocharged

Engine Pictures

Product application

4BTAA3.9 engine is Dongfeng Cummins engine, used in passenger cars and construction machinery. Construction machinery is mainly used in excavator series, such as XCMG XE150D, LISHIDE SC130.8, Foton Lovol FR139-7 and Lonking LG6235, etc...

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