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DCEC QSB3.9 Generator Drive Engine

DCEC Cummins QSB3.9 series generator drive engine is a 4-cylinders in line,3.9 liter four-strokes engine with 102mm bore and 120mm stroke. DCEC Cummins QSB3.9 series generator drive engine equipped with Electrically Control High-pressure Common Rail.

The prime power range for 50HZ generator set (1500RPM) of DCEC Cummins QSB3.9 series generator drive engine is from 63 kW to 79 kW.

DCEC generator drive engines have different configurations which have different power output, with code T in the engine model name means turbocharged engine, code TA in the engine model means turbocharge with water-air intercooler and code TAA in the engine model means turbocharge with air-air intercooler. As part of EMAC, SinoGen also provide complete power supply solutions that powered by DCEC Cummins, our ranges of products including open type generator set, silence type generator set, super silence type generator set, mobile trailer, complete power truck and complete power car for railways applications. We provide full life cycle services for all customers, from design to power system supply, from installation to commissioning, from after-sales service training to spare parts supply, from trouble shooting to overhaul technical support.

Advantages of QSB3.9 G-Drive Engine

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

2.The integration design of cylinder block and cylinder head prevents the engine from water and oil leakage. The parts are about 40% less than engines of the same type, and the failure rate is greatly reduced.

3.Forged steel camshaft and crankshaft, high-strength cylinder, multiple parts cast on the cylinder block, high rigidity, high pressure resistance, good reliability, and long service life.

4.Holset supercharger with integral wastegate offers low-speed response and dynamic performance.

DCEC QSB3.9 Series G-drive Engine

All models of DCEC Cummins QSB3.9 Series G-drive Engine.
Click here to find G-drive engines by type (Fuel System & Engine Speed).

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Sales Team


Automotive Engine - Mr. Wells Luo

Sales Director - Mr. Jasper Lee      

Service Team


Technical Service - Mr. Vin Hu

Customer Service - Mrs. Wendy Fu

Contact EMAC Now!

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