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DCEC-Dongfeng Cummins Engine Company

A 50:50 joint venture between Dongfeng Motor and Cummins USA, producing B, C, D, L, Z series mechanical electronically controlled diesel engines for automotive, industrial, generator drive, water pump drive and marine applications.

A Power System Solution Provider

Based on standard DCEC engines, EMAC supplying complete power system that integrated with cooling, air intake, exhuast, control system, and other power system components such as clutch, transmission, axle, suspension, gearbox, shaft, propeller etc.

We Know What You Need!

With 12 years of power system supply experience and thousands of cases for different industry, EMAC can easily provides all kinds of highly customize products that meeting the requirements of different applications as well as related technical support and services.

A Trustworthy Chinese Company

At EMAC, we are not working as a job, but fighting as our life-time career, which we clearly know credibility is the foundation of our existence. Our reliability helping us continuously growing in the past 12 years, and we clearly knows only small streams can last long.

In June 1996, Dongfeng Motor Corporation and Cummins Corporation of the United States established Dongfeng Cummins Engine Co., Ltd. (hereinafter referred to as “Dongfeng Cummins” or “Company”) with a 50:50 equity ratio with diesel engine manufacturing as its main business. The company is located in the High-tech Industrial Development Zone of Xiangyang City, Hubei Province, with a registered capital of more than 100 million U.S. dollars, covering an area of 270,000 square meters, and employing more than 2,200 people.
Dongfeng Cummins Engine Co., Ltd. mainly produces Cummins B, C, D/L series mechanical and ISB, ISD, ISL, ISZ series fully electronically controlled diesel engines, the engine displacement is covering 3.9L, 4.5L, 5.9L, 6.7L, 8.3L, 8.9L, 13L, with the power coverage is from 19kW to 562kW… Read More

EMAC Group Limited was established in Hong Kong in 2010, aims to become a solid one-stop supplier in the power machinery industry. EMAC operating four overseas subsidiaries and owns 10 self-registered trademarks, our products are widely used in which covers energy, maritime, automotive, construction, railways and spare parts. Based on different types of DCEC engines, EMAC integrate other leading power system products into a complete power system.
With years of rich powertrain supply experience, EMAC can quickly understand and respond to customer needs, greatly reducing customer communication costs.
EMAC provides one-stop solutions covers from pre-design to components supply, from installation…Read More

With the mission of “Better Power, Better World”, EMAC gathering a brilliant well-educated team, all of EMAC’s team members are have English background, from sales to engineers, from marketing team to administration team, our good English foundation ensuing the ability of smooth communication with all customers.
EMAC also gradually builing our global services network, from branch companies to joint ventures, from local sales representatives to local after-sales services partners, we continuously expanding a global network that to provide better communication and services for our customers.
Till 2021, EMAC have branch companies and joint venture in Thailand and Singapore with after-sales service ability in this two countries. And we have sales representatives in Turkey, Spain, France and UK…Read More

As a 12 years experience profesional one-stop power system provider, EMAC have unique excellent ability with supplying complete power system for all kinds of applications.
From automotive powertrain system to industrial engine power system, from water pump drive package to complete generator set, from marine propulsion system to marine power system, by working closely with global leading companies’ factories in China, EMAC gives high-end solutions with competitive prices.
EMAC is excellent solution provider with a professional and dedicated team, we developed our advanced management system based on our past experience, and EMAC is the innovator of detailed visulization services that have professional video for every single products we sell…Read More

We cares your voice, from pre-sales communications, to sales communications, from after-sales complaints to customer review feedback, EMAC continuously collecting all kinds of qustions from customers, no matter questions on products, about business terms, marketing or manament related, helping EMAC and customers to know each other better and grow up together.
With the mission of “Better Power, Better World”, and the vision of “Help World Leverage the Power of China”, EMAC looking for business partners in each country, that can working both as branch company or joint venture, by leverage the rich resources here, business network and local service advantages in China, we hope can help all manufacturers in the world to improve their design ability, manufacturing capability, management…Read More

DuraMac 02

Automotive | Premium Integrated Powertrain System-DuraMac

As part of EMAC, DuraMac is Committed to providing reliable powertrain system to commercial vehicle manufacturers around the world. Based on dozens of world-class engine manufacturing resources in China, and as official exporting agent of Fast tranmission and Dongfeng Dana axle, DuraMac provides one-stop powertrain solutions including both engine powertrain and EV powertrain.


The picture of DCEC Industrial Engine application scenario picture showing the accessories and scopes of supply.

Industrial | Reliable Industrial Power System-ConeMac

Committed to providing stable and reliable premiem power system for global construction machinery manufacturer partners, ConeMac is a sub-brand of the EMAC Group that focuses on construction equipment application. ConeMac’s ranges of products mainly inclduing marine construction engines power pack, construction equipment gearbox, gear reducer, explosion-proof engines, generator set and water pump set for mining, oil and gas field.


The picture of DCEC Pump Engine displays application scenarios and Engine images, showing the accessories and scopes of supply.

Pump | High-End Water Pump Drive Package-PumpMac

As part of EMAC, PumpMac focusing on water pump set related business, from water pump drive engine power pack to complete water pump set, from NFPA20 standard fire fighting pump accessories to fire pump drive package, from explosion proof accessories to complete explosion-proof water pump set, PumpMac provides professional one-stop solution for everything customer needed for water pump set industry.


The picture of DCEC Generator Drive application scenario picture showing the accessories and scopes of supply.

Energy | One-Stop Generator Set Solution-SinoGen

As part of EMAC, SinoGen focusing on generator set related business, from G-drive engine power pack to complete generator set, from open type generator set to silence type generator set, from super silent type generator set to mobile power trailer, from generator control panel to synchronizing cabinet, SinoGen provides professional one-stop solution for everything customer needed for generator set.


The picture of DCEC Marine Engine application scenario picture showing the accessories and scopes of supply.

Maritime | Marine Propulsion and Power System-SeaMac

Committed to providing reliable premium propulsion system and power system for all kinds of ships around the world, SeaMac is a sub-brand of EMAC group that focused on maritime application.
SeaMac’s ranges of products mainly inclduing marine main engine, marine gearbox, marine propellers, marine control lever system, marine auxiliary engine, marine generator set and emergency generator set.


The picture of DCEC Parts and Service displays application scenarios and engine images showing the accessories and scopes of supply.

Parts | A Trustworthy Engine Parts Partner-PartMac

All of EMAC’s partners are facing big challenges with sourcing original spare parts in China. Committed to providing truthworthy and professional after-sales support and parts supply, PartMac is a sub-brand of EMAC group that focusing on parts business. Stick to original parts only, PartMac can’t give any solution on CHEAP PARTS, but you don’t need to worry about any quality issues with every single parts from PartMac.


Find Engines by Series or Type

Below list is the engines classified by engine type, you can also find engines classifed by series in the top manu.

Pump Drive Engine

Years of Experience

Types of Application


Serviced Clients

EMAC provides us a very good support, no matter pre-sales support or after-sales support. They have deep network of power system manufacturers in China, and ensuring them …

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EMAC is a trustworthy company. Based on years of purchasing experience from us , their price is really competitive and their product is very good. We feel great to deal with EMAC…

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We were satisfied with EMAC, and happy to having them as our supplier, our boat has been operated for more than 5 years now, both propulsion system and power system from EMAC…

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You can count on EMAC in trems of commitment & quality. We are looking forward to make very good business with EMAC in the field of diesel engine, gearbox and spare parts…

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News & Events

Company Introduction: DCEC Engine Company

What is DCEC?DCEC Engine Co., Ltd. (DCEC), located in Xiangyang, Hubei Province, is a 50/50 joint venture between DCEC Inc. and Dongfeng Automobile Co.,Ltd. In 1986, Dongfeng Automobile Co.,Ltd. signed a license agreement with DCEC Inc. for B-series engines. DCEC...

Company Introduction: XCEC Engine Company

About Us XCEC Engine Co., Ltd. (hereinafter referred to as: XCEC), located in Xi'an, an ancient cultural capital with a long history, is the world's largest independent engine manufacturer - American DCEC and China's heavy truck leader - Shaanxi Automobile Holding...

Company Introduction: BFCEC Engine Company

Founded in 2008, BFCEC Engine Co., Ltd. is the world's leading power solutions provider., with a total investment of more than 4.9 billion yuan, and an annual production capacity of 520,000 units. The products include CMS F series 2.8L and 3.8L light, F series 4.5L...

Company Introduction: CCEC Engine Company

About Us CCEC Engine Co., Ltd. is a Sino-US joint venture. It was established in October 1995 and is located in the Martyrs' Tomb in Shapingba District, Chongqing City. The Chinese parent company is Chongqing Electromechanical Co., Ltd., and the foreign parent company...

Company Introduction: Wuxi Turbocharging Technology Co., Ltd

DCEC Turbo Technologies, formerly British Holset Engineering Co., Ltd., was established in 1952 and changed its current name in 2006. It is a wholly-owned subsidiary of DCEC, which designs and manufactures diesel and natural gas engines of more than three liters. A...
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