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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

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 generator control panel to synchronizing cabinet, from super silent type generator set to mobile power trailer, SinoGen provides professional one-stop solution for everything customer needed for generator set.

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.

Premium Integrated Powertrain System-DuraMac

As part of EMAC, DuraMac is Committed to providing reliable powertrain system to commercial vehicle manufacturers around the world, a sub-brand of EMAC group that focusing on automotive application. 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 solutions covers from pre-design to components supply, from installation to commissioning, from pre-sales communication to after-sales service support.

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.

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.

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.

DCEC Automotive Engine

DCEC Cummins automotive engines are clean, efficient, dependable and durable, covering displacement from 3.9 to 14 liters, with power range from125Hp to 680HP. DCEC Cummins engines are found in nearly every type of vehicle and equipment on earth – from emergency vehicles to mining haul trucks. DCEC automotive engines has been widely used in all kinds of vehicles including light, medium and heavy trucks, medium and high-grade intercity buses, and large and medium-sized buses.

Automotive Engines:  EQB | B | C | L | ISF2.8 | ISF3.8 | ISB3.9 | D4 | ISD4.5 | ISB5.9 | ISD6.7 | ISC8.3 | ISL8.9 | L9 | ISL9.5 | ISM11ISZ13

DCEC Industrial Engine

The important things for all kinds of industrial machineries are reliably and economically. DCEC Cummins has been proven in the competitive market and won good reputation by it’s engines perfect performance in fuel-efficient and durable. DCEC Cummins industrial engines covering displacement from 3.9 to 13 liters. From agriculture engine to construction engine, from rail engines to mining engines, from oil field to gas field, DCEC Cummins supports your business with the reliable and stable power you need.

Industrial Engines:  4BT3.9 | 6BT5.9 | 6CTA8.3 | 6CTA9.5 | 6LTAA8.9 | 6LTAA9.5 | QSF2.8 | QSF3.8 | QSB3.9 | QSB4.5 | QSB5.9 | QSB6.7 | QSC8.3 | QSL8.9 | QSM11 | QSZ13

DCEC Pump Drive Engine

DCEC Cummins pump engines are highly recognized by customers for their strong power, ultra-low fuel consumption, high reliability and low maintenance costs. DCEC Cummins pump drive engines covering displacement from 3.9 to 13 liters, with power range from 36 kW to 429kW. PumpMac supplying water pump set drive power pack which cooling system can choose from radiator cooling or heat exchanger cooling system. With advanced design and excellent manufacturing, it adapts to various severe working conditions and can be used in fire fighting, municipal administration, agriculture, oil and gas and other fields.

Pump Drive Engines:  4BT3.9 | 6BT5.9 | 6CT8.3 | 6LTAA8.9 | QSB3.9 | QSB5.9 | QSB6.7 | QSL8.9 | QSZ13

DCEC Generator Drive Engine

DCEC Cummins’s reliable and durable G-Drive diesel engine providing G-OEMs worldwide with a cost-effective and fully integrated G-Drive coopac product. Standard DCEC Cummins coolpac products comes with air intake system, exhaust system and cooling system. DCEC generator drive engines covering displacement from 3.9 to 13 liters, with power range from 22kW to 500kW. Whether you need standby or emergency, continuous or prime power, you can easily find a DCEC Cummins G-Drive product to fit your application.

G-Drive Engines:  4BT3.9 | 6BT5.9 | 6CTA8.3 | 6LTAA8.9 | 6LTAA9.5 | 6ZTAA13 | QSB3.9 | QSB4.5 | QSB5.9 | QSB6.7 | QSL8.9 | QSM11 | QSZ13

DCEC Marine Engine

No matter using as marine main engines, or using as marine auxiliary engines, DCEC Cummins marine engines are able to provide increased power-to-weight ratios, cleaner starts and less noise. DCEC Cummins marine engines covering displacement from 3.9 to 8.9 liters, with power range from 47kW to 253kW. With quiet, effortless startups and impressive acceleration, our engines contribute to a superior boating experience. DCEC Cummins marine engines has been widely used in trawlers, landing craft, fire boats, river patrol, crew boats, tug boats and barges.

Marine Engines:  6BT5.9-M | 6CTA8.3-M | 6LTAA8.9-M | QSL8.9-M | 4BT3.9-GM | 6BT5.9-GM | 6CT8.3-GM  | 6LTAA8.9-GM

DCEC Parts and Service

As the role of supportive team, PartMac is our brand that focusing on spare parts and after-sales services, we know our engines, we know what you need.  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. Cheap Always Turns to be Most Expensive in the end!

Parts:  4BT3.9 | 6BT5.9 | 6CT8.9 | 6LTAA8.9 | 6LTAA9.5 | QSB3.9 | QSB4.5 | QSB5.9 | QSB6.7 | QSC8.3 | QSL8.9 | QSM11 | QSZ13 | 6Z13 | EQB3.9 | EQB5.9 | C | L | ISF2.8 | ISF3.8 |  ISB3.9 | D4 | ISD4.5 | ISB5.9 | ISD6.7 | ISC8.3 | ISL8.9 | L9 | ISL9.5 | ISM11 ISZ13

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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