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DCEC L9 Automotive Engine

DCEC Cummins 4BT3.9 series generator drive engine is a 4-cylinders in line,3.9 liter four-strokes engine with 102mm bore and 120mm stroke. DCEC Cummins 4BT3.9 series generator drive engine equipped with Weifu (or BYC) fuel pump and provides both mechanical governor and electronic governor for customers to choose from.

The prime power range for 50HZ generator set (1500RPM) of DCEC Cummins 4BT3.9 series generator drive engine is from 20 kW to 96 kW. The prime power range for 60HZ generator set (1800RPM) of DCEC Cummins 4BT3.9 series generator drive engine is from 23 kW to 80 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 L9 Automotive Engine

1.Advanced design and high-quality manufacturing, adaptable to severe operating conditions, high strength, and reliable operation under heavy load.
2.The cylinder bore adopts a platform mesh honing design; the perfect geometric structure effectively prevents oil leakage.
3.The cylinder block and cylinder head adopt integrated design, which eliminates the occurrence of engine water leakage and oil leakage.
4.Strong power: adopts Holset supercharger with integral wastegate valve, low-speed response and strong power.

DCEC L9 Series Automotive Engine

This is the list of all series of DCEC L9 Series Automotive Engine.
Click here to find automotive engines by type (Fuel System & Emission Standard).

L9NS6B315 Automotive Engine

DCEC 6BTA5.9-G3 engine is a 6-cylinders in line engine, which is a 5.9 liter four-strokes B series generator drive engine with 102mm bore and 120mm stroke. Equipped with BYC PB pump and GAC electronic governor fuel system, engine comes with turbocharger and Water-Air...

L9NS6B340 Automotive Engine

DCEC 6BTA5.9-G3 engine is a 6-cylinders in line engine, which is a 5.9 liter four-strokes B series generator drive engine with 102mm bore and 120mm stroke. Equipped with BYC PB pump and GAC electronic governor fuel system, engine comes with turbocharger and Water-Air...

L9NS6B360 Automotive Engine

DCEC 6BTA5.9-G3 engine is a 6-cylinders in line engine, which is a 5.9 liter four-strokes B series generator drive engine with 102mm bore and 120mm stroke. Equipped with BYC PB pump and GAC electronic governor fuel system, engine comes with turbocharger and Water-Air...

L9NS6B400 Automotive Engine

DCEC 6BTA5.9-G3 engine is a 6-cylinders in line engine, which is a 5.9 liter four-strokes B series generator drive engine with 102mm bore and 120mm stroke. Equipped with BYC PB pump and GAC electronic governor fuel system, engine comes with turbocharger and Water-Air...

L9NS6B280 Automotive Engine

DCEC 6BTA5.9-G3 engine is a 6-cylinders in line engine, which is a 5.9 liter four-strokes B series generator drive engine with 102mm bore and 120mm stroke. Equipped with BYC PB pump and GAC electronic governor fuel system, engine comes with turbocharger and Water-Air...

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Sales Team


Generator Engine - Mr. Haden Wu

Marine Engine - Mrs. Hailey Tang

Automotive Engine - Mr. Vin Hu

Industrial Engine - Miss. Bella Huang

Pump Engine - Miss. Zora Zhou

Sales Director - Mr. Jasper Lee      

Service Team


Technical Service - Mr. Vin Hu

Customer Service - Mrs. Wendy Fu

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