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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 102 mm bore and 120 mm 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.

General Specifications of 4BT3.9 Series

Engine Type:4 Cylinders, in Line
Displacement:3.9 L
Rated Speed:2000 – 2800 RPM
Emission Standards:Euro Stage II
Aspiration Method:Turbocharged & Air-Air Intercooler / Water-Air Intercooler
Advertised Power:80 – 130 HP @ 2000 – 2800 RPM
Peak Torque:330 – 500 N.m @ 1400 – 1600 RPM
Bore * Stroke:102 mm * 120 mm
Wet Weight:338 – 355 kg
Dimension(L * W * H):778 mm * 634 mm * 912 mm
DCEC 4BT3.9 Industrial Engine Catalogue

Engine Model

Rated Power

Peak Torque

Engine Model

Rated Power

Peak Torque

4BT3.9-C8080 HP @ 2000 RPM330 N.m @ 1500 RPM4BT3.9-C100100 HP @ 2400 RPM330 N.m @ 1600 RPM
4BT3.9-C105103 HP @ 2800 RPM330 N.m @ 1600 RPM4BT3.9-C110110 HP @ 2600 RPM330 N.m @ 1600 RPM
4BTA3.9-C8080 HP @ 2200 RPM360 N.m @ 1400 RPM4BTA3.9-C100100 HP @ 2200 RPM410 N·m @ 1500 RPM
4BTA3.9-C110110 HP @ 2200 RPM460 N.m @ 1500 RPM4BTA3.9-C125125 HP @ 2200 RPM475 N.m @ 1500 RPM
4BTA3.9-C130130 HP @ 2500 RPM475 N.m @ 1500 RPM4BTAA3.9-C110110 HP @ 2200 RPM500 N·m @ 1400 RPM
4BTAA3.9-C125125 HP @ 2200 RPM480 N·m @ 1400 RPM
——END——

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

Rated Power: 80 HP @ 2000 RPM
Max. Torque: 330 N.m @ 1500 RPM
Fuel System: Weifu PW Pump / RSV Mech.
Aspiration: Turbocharged
Emission Standard: N / A

4BT3.9-C100 Industrial Engine

4BT3.9-C100 Industrial Engine

Rated Power: 100 HP @ 2400 RPM
Max. Torque: 330 N.m @ 1600 RPM
Fuel System: Weifu PW Pump / RSV Mech.
Aspiration: Turbocharged
Emission Standard: N/A

4BT3.9-C105 Industrial Engine

4BT3.9-C105 Industrial Engine

Rated Power: 105 HP @ 2800 RPM
Max. Torque: 330 N.m @ 1600 RPM
Fuel System: Weifu A Pump / RSV Mech.
Aspiration: Turbocharged
Emission Standard: N / A

4BT3.9-C110 Industrial Engine

4BT3.9-C110 Industrial Engine

Rated Power: 110 HP @ 2600 RPM
Max. Torque: 330 N.m @ 1600 RPM
Fuel System: Weifu A Pump / RSV Mech.
Aspiration: Turbocharged
Emission Standard: N / A

4BTA3.9-C80 Industrial Engine

4BTA3.9-C80 Industrial Engine

Rated Power: 80 HP @ 2200 RPM
Max. Torque: 360 N.m @ 1400 RPM
Fuel System: BYC PB Pump / RSV Mech.
Aspiration: TC & Water-Air Intercooler
Emission Standard: EU Stage I

4BTA3.9-C100 Industrial Engine

4BTA3.9-C100 Industrial Engine

Rated Power: 100 HP @ 2200 RPM
Max. Torque: 410 N·m @ 1500 RPM
Fuel System: BYC PB Pump / RSV Mech.
Aspiration: TC & Water-Air Intercooler
Emission Standard: SEPA STAGE I

4BTA3.9-C110 Industrial Engine

4BTA3.9-C110 Industrial Engine

Rated Power: 110 HP @ 2200 RPM
Max. Torque: 460 N.m @ 1500 RPM
Fuel System: Weifu PW2000 / RSV Mech.
Aspiration: TC & Water-Air Intercooler
Emission Standard: N / A

4BTA3.9-C125 Industrial Engine

4BTA3.9-C125 Industrial Engine

Rated Power: 125 HP @ 2200 RPM
Max. Torque: 475 N.m @ 1500 RPM
Fuel System: Weifu PW2000 / RQV-K Mech.
Aspiration: TC & Water-Air Intercooler
Emission Standard: N / A

4BTA3.9-C130 Industrial Engine

4BTA3.9-C130 Industrial Engine

Rated Power: 130 HP @ 2500 RPM
Max. Torque: 475 N.m @ 1500 RPM
Fuel System: Weifu PW2000 / RQV-K Mech.
Aspiration: TC & Water-Air Intercooler
Emission Standard: N / A

4BTAA3.9-C110 Industrial Engine

4BTAA3.9-C110 Industrial Engine

Rated Power: 110 HP @ 2200 RPM
Max. Torque: 500 N.m @ 1400 RPM
Fuel System:Weifu PW Pump / RSV Mech.
Aspiration:Turbocharged & Air-Air Intercooler
Emission Standard: CHINA II

4BTAA3.9-C125 Industrial Engine

4BTAA3.9-C125 Industrial Engine

Rated Power: 125 HP @ 2200 RPM
Max. Torque: 480 N·m @ 1400 RPM
Fuel System: Weifu PW2000 / RQV-K Mech.
Aspiration: TC & Air-Air Intercooler
Emission Standard: MEP STAGE II

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