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DCEC 4BT3.9 Industrial Engine

DCEC 4BT3.9 series Industrial engine is a 4-cylinders in line, 3.9 liter four-strokes engine with 102mm bore and 120mm stroke. DCEC 4BT3.9 series Industrial engine equipped with Weifu (or BYC) fuel pump. The prime power range of is 80 HP to 130 HP.
To achieve different output, DCEC 4BT3.9 series Industrial engine have three configurations which are turbocharged engine, turbocharge with water-air intercooler, turbocharge with air-air intercooler. In the detailed model name, code T means engine come with turbocharger, code single A means engine comes with water-air intercooler, and code double A means engine comes with air-air intercooler. As part of EMAC, ConeMac provides industrial power pack solution that integrated with air intake, air exhaust, cooling system, control system, transmission and hydraulic accessories, We also supplying special products such as explosion proof engine, generator and water pump set, as well as ultra-low temperature condition engine power pack. 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.
DCEC 4BT3.9 series electronic industrial engine can reach upto EU Stage V emission standard, the number 30/40/50 are the emission standard mark of engine, which means engine emission standard are EU Stage III, IV, V. For different emission standard DCEC 4BT3.9 series electronic industrial engine, the engine itself are the same, the major different of different emission standard engine models are the after-treatment system and ECU program, EMAC will keep updating products introduction page of different emission standard engine models, welcome to subscribe our website to get latest update information.
If you are in need of engine model that not available on our website for the moment, please contact EMAC sales team for technical details and related documents, our well trained sales and engineering team will help you with all products and techical documents available here at DCEC.

Advantages of 4BT3.9 Industrial Engine

1.Using forged steel camshaft and crankshaft, high-strength cylinder block design, multiple parts cast on the cylinder block, high rigidity, high pressure resistance, good reliability, and longer service life.
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 4BT3.9 Series Industrial Engine

This is the list of all series of DCEC 4BT3.9 Series Industrial Engine.
Click here to find industrial engines by type (Fuel System & Emission Standard).

4BT3.9-C80 Industrial Engine

4BT3.9-C80 Industrial Engine

DCEC 4BT3.9-C80 Industrial engine is a 4-cylinders in line, 3.9 liter four-strokes engine with 102 mm bore and 120 mm stroke. Equipped with Weifu A pump and RSV governor, engine comes with turbocharger. The prime power at 2000 RPM of DCEC 4BT3.9-C80 Industrial engine...

4BT3.9-C100 Industrial Engine

4BT3.9-C100 Industrial Engine

DCEC 4BT3.9-C100 Industrial engine is a 4-cylinders in line, 3.9 liter four-strokes engine with 102 mm bore and 120 mm stroke. Equipped with Weifu A pump and RSV governor, engine comes with turbocharger. The prime power at 2400 RPM of DCEC 4BT3.9-C100 Industrial...

4BT3.9-C105 Industrial Engine

4BT3.9-C105 Industrial Engine

DCEC 4BT3.9-C105 Industrial engine is a 4-cylinders in line, 3.9 liter four-strokes engine with 102 mm bore and 120 mm stroke. Equipped with Weifu A pump and RSV governor, engine comes with turbocharger. The prime power at 2800 RPM of DCEC 4BT3.9-C105 Industrial...

4BT3.9-C110 Industrial Engine

4BT3.9-C110 Industrial Engine

DCEC 4BT3.9-C110 Industrial engine is a 4-cylinders in line, 3.9 liter four-strokes engine with 102 mm bore and 120 mm stroke. Equipped with Weifu A pump and RSV governor, engine comes with turbocharger. The prime power for at 2600 RPM of DCEC 4BT3.9-C110 Industrial...

4BTA3.9-C80 Industrial Engine

4BTA3.9-C80 Industrial Engine

DCEC 4BTA3.9-C80 Industrial engine is a 4-cylinders in line, 3.9 liter four-strokes engine with 102 mm bore and 120 mm stroke. Equipped with BYC PB pump and RSV governor, engine comes with turbocharger and Water-Air intercooler. The prime power for at 2200 RPM of DCEC...

4BTA3.9-C100 Industrial Engine

4BTA3.9-C100 Industrial Engine

DCEC 4BTA3.9-C100 Industrial engine is a 4-cylinders in line, 3.9 liter four-strokes engine with 102 mm bore and 120 mm stroke. Equipped with BYC PB pump and RSV governor, engine comes with turbocharger and Water-Air Intercooler. The prime power at 2200 RPM of DCEC...

4BTA3.9-C110 Industrial Engine

4BTA3.9-C110 Industrial Engine

DCEC 4BTA3.9-C110 Industrial engine is a 4-cylinders in line, 3.9 liter four-strokes engine with 102 mm bore and 120 mm stroke. Equipped with Weifu PW2000 pump and RSV governor, engine comes with turbocharger and Water-Air Intercooler. The prime power at 2200 RPM of...

4BTA3.9-C125 Industrial Engine

4BTA3.9-C125 Industrial Engine

DCEC 4BTA3.9-C125 Industrial engine is a 4-cylinders in line, 3.9 liter four-strokes engine with 102 mm bore and 120 mm stroke. Equipped with Weifu PW2000 pump and RQV-K governor, engine comes with turbocharger and Water-Air Intercooler. The prime power at 2200 RPM of...

4BTA3.9-C130 Industrial Engine

4BTA3.9-C130 Industrial Engine

DCEC 4BTA3.9-C130 Industrial engine is a 4-cylinders in line, 3.9 liter four-strokes engine with 102 mm bore and 120 mm stroke. Equipped with Weifu PW2000 pump and RQV-K governor, engine comes with turbocharger and Water-Air Intercooler. The prime power at 2500 RPM of...

4BTAA3.9-C125 Industrial Engine

4BTAA3.9-C125 Industrial Engine

DCEC 4BTAA3.9-C125 Industrial engine is a 4-cylinders in line, 3.9 liter four-strokes engine with 102 mm bore and 120 mm stroke. Equipped with Weifu PW2000 pump and RQV-K governor, engine comes with turbocharger and Air-Air Intercooler. The prime power at 2200 RPM of...

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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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