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DCEC D4.0NS6 Automotive Engine

DCEC D4.0NS6 series automotive engine is four-strokes engine, Equipped with Bosch (or BYC or Weifu) pump. engine comes with turbocharger and Air- Air intercooler. The prime power range is from 150 HP to 195 HP.
As part of EMAC, DuraMac provides complete powertrain that integrated with DCEC engine, Fast-Eaton clutch, FAST-CAT transmission, Dongfeng-DANA axle and Komman air suspension, while the electrification of automobile is the certain future, Duramac also get involved with EV powertrain system. 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 D4.0NS6 series electronic automotive engine can reach upto EU Stage VI emission standard, the number 30/40/50/60 are the emission standard mark of engine, which means engine emission standard are EU Stage III, IV, V, VI. For different emission standard DCEC D4.0NS6 electronic series automotive engine, the engine itself are the same, the major different are the after-treatment system and ECU program, EMAC will keep updating products introduction page of different emission standard version engines, 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.

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General Specifications of D4.0NS6 Series

Engine Type:4 Cylinders
Displacement:4 L
Advertised Power:
150 - 195 HP @ 2400 RPM
Peak Torque:
520 - 730 N.m @ 1000-1800 RPM
Rated Speed:2400 RPM
Emission Standards:
Euro VI
Aspiration Method:Turbocharged and Charge Air Cooled
Weight:340 kg
Fuel System:Denso HPCR

Cummins China Engine

Cummins have 6 50:50 joint venture engine plants in China partnershipped with different Chinese automotive or equipment manufacturers, including DCEC-Dongfeng Cummins, CCEC-Chongqing Cummins, BFCEC-Beijing Foton Cummins, XCEC-Xi'an Cummins, GCIC-Guangxi Cummins, APCL-Anhui Cummins. EMAC Power is working with all of these engine plants, providing customers full ranges of customize engine power pack with all of Cummins engines produced in China.

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Fast Gear

The F6A Series Automated Transmission uses the FAST automatic transmission, has six front gears, the transmission ratio step arrangement is reasonable, has very outstanding fuel economy. Adopt hydraulic automatic transmission. The F6A Series Automated Transmission has six gears, each with a different reduction ratio.

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EV Truck

Electric wheel dump trucks use electricity as a power source, completely abandoning traditional fuel engines. This change enables the vehicle to achieve true “zero emissions” during operation, without the emission of pollutants such as carbon monoxide, nitrogen oxides, and particulate matter in the exhaust gas, greatly reducing the pollution to the atmospheric environment.

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DANA Axle

Applying the advanced technology of DANA with high efficiency, fuel economy, strong load torque, low noise,high reliability, lower procurement cost, low repair cost and lower maintenance cost.

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Datong Gear

The Datong HW25712XSJ Heavy Manual No-Sync Gearbox has a torque of 2500 N.m, a gear ratio range of 14.941-1, an oil capacity of 13 L (13.5 L when equipped with a power take-off), an overall length of 993 mm, and a weight of 428 kg.

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Datong Gear

The Datong HW25712XSJ Heavy Manual No-Sync Gearbox has a torque of 2500 N.m, a gear ratio range of 14.941-1, an oil capacity of 13 L (13.5 L when equipped with a power take-off), an overall length of 993 mm, and a weight of 428 kg.

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All Wheel Drive Off-road Chassis

Dongfeng Special Vehicle's all-wheel-drive off-road chassis series, developed based on military technology platforms, supports 4×4/6×6 drive configurations and delivers exceptional cross-country capability, high reliability, and strong environmental adaptability. DuraMac provides customized off-road solutions, with products widely applied in high-altitude rescue, wilderness exploration, special transport, and military applications, meeting the demands of both domestic and international specialty vehicle markets.

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Medium & Heavy-duty Truck

DuraMac offers a full range of Dongfeng solutions for medium-to-heavy-duty trucks, covering diesel, pure electric, and hydrogen fuel cell powertrains. Its pure electric trucks feature high-energy-density batteries and electric drive systems with dual-gun fast charging capability, ensuring high operational efficiency. Hydrogen-powered heavy-duty trucks are equipped with an intelligent VCU control system and offer multiple power variants. All products utilize high-strength chassis and IP68-rated electrical systems, meeting diverse operational demands across engineering transport, port logistics, and urban distribution.

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D4.0NS6B150D4.0NS6B150150 HP
D4.0NS6B160D4.0NS6B160160 HP
D4.0NS6B170D4.0NS6B170170 HP
D4.0NS6B185D4.0NS6B185185 HP
D4.0NS6B195D4.0NS6B195195 HP
D4.0NS6B195-IID4.0NS6B195-II195 HP

Engine Model

Power/HP

120140160180200220240260
Emission Srandard:Euro ⅠEuro ⅡEuro ⅢEuro ⅣEuro ⅤEuro ⅥEuro Ⅶ
DCEC D4.0NS6 Automotive Engine Catalogue

Engine Model

Rated Power

Peak Torque

Engine Model

Rated Power

Peak Torque

D4.0NS6B150150 HP @ 2400 RPM520 N.m @ 1000-1800 RPMD4.0NS6B160160 HP @ 2400 RPM550 N.m @ 1100-1800 RPM
D4.0NS6B170170 HP @ 2400 RPM

600 N.m @ 1100-1800 RPM

D4.0NS6B185185 HP @ 2400 RPM700 N.m @ 1300-1800 RPM
D4.0NS6B195195 HP @ 2400 RPM600 N.m @ 1500 RPMD4.0NS6B195-II195 HP @ 2400 RPM730 N.m @ 1500 RPM
——END——

DCEC D4.0NS6 Series Automotive Engine

This is the list of all series of DCEC D4.0NS6 Series Automotive Engine.
Click here to find automotive engines by type (Fuel System & Emission Standard).

D4.0NS6B150 Automotive Engine

D4.0NS6B150 Automotive Engine

Rated Power: 150 HP @ 2400 RPM
Max. Torque: 520 N.m @ 1000-1800 RPM
Fuel System: Denso HPCR
Aspiration: Turbocharged and Charge Air Cooled
Emission Standard: EURO VI

D4.0NS6B160 Automotive Engine

D4.0NS6B160 Automotive Engine

Rated Power: 160 HP @ 2400 RPM
Max. Torque: 550 N.m @ 1100-1800 RPM
Fuel System: Denso HPCR
Aspiration: Turbocharged and Charge Air Cooled
Emission Standard: EURO VI

D4.0NS6B170 Automotive Engine

D4.0NS6B170 Automotive Engine

Rated Power: 170 HP @ 2400 RPM
Max. Torque: 600 N.m @ 1100 RPM
Fuel System: Denso HPCR
Aspiration: Turbocharged and Charge Air Cooled
Emission Standard: EURO VI

D4.0NS6B185 Automotive Engine

D4.0NS6B185 Automotive Engine

Rated Power: 185 HP @ 2400 RPM
Max. Torque: 700 N.m @ 1300-1800 RPM
Fuel System: Denso HPCR
Aspiration: Turbocharged and Charge Air Cooled
Emission Standard: EURO VI

D4.0NS6B195 Automotive Engine

D4.0NS6B195 Automotive Engine

Rated Power: 195 HP @ 2400 RPM
Max. Torque: 600 N.m @ 1500 RPM
Fuel System: Denso HPCR
Aspiration: Turbocharged and Charge Air Cooled
Emission Standard: EURO VI

D4.0NS6B195-II Automotive Engine

D4.0NS6B195-II Automotive Engine

Rated Power: 195 HP @ 2400 RPM
Max. Torque: 730 Nm @ 1500 RPM
Fuel System: Denso HPCR
Aspiration: Turbocharged and Charge Air Cooled
Emission Standard: EURO VI

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