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

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.

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.

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.

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.

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.

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
Rated Power: 24 [email protected] 1500RPM Rated Power: 24 [email protected] 1500RPM Rated Power: 27 [email protected] 1500RPM Rated Power: 36 [email protected] 1500RPM Rated Power: 50 [email protected] 1500RPM Rated Power: 58 [email protected] 1500RPM Rated Power: 58 [email protected] 1500RPM Rated Power: 70 [email protected] 1500RPM Rated Power: 67 [email protected] 1500RPM Rated Power: 87 [email protected] 1500RPM Rated Power: 96 [email protected] 1500RPM4B3.9-G1 G-Drive Engine
Fuel Pump: BYC A
Governor: RSV Mech.
Aspiration: Naturally Aspirated
Emission Standard: N/A4B3.9-G2 G-Drive Engine
Fuel Pump: BYC A Pump
Governor: RSV Mech.
Aspiration: Naturally Aspirated
Emission Standard: N/A4B3.9-G12 G-Drive Engine
Fuel Pump: WF A Pump
Governor: Elec.
Aspiration: Naturally Aspirated
Emission Standard: N/A4BT3.9-G2 G-Drive Engine
Fuel Pump: BYC A Pump
Governor: Elec.
Aspiration: Turbocharger
Emission Standard: N/A4BTA3.9-G2A G-Drive Engine
Fuel Pump: BYC A Pump
Governor: Elec.
Aspiration: TC & Water-Air Intercooler
Emission Standard: N/A4BTA3.9-G2B G-Drive Engine
Fuel Pump: BYC PB Pump
Governor: GAC 12V Elec.
Aspiration: TC & Water-Air Intercooler
Emission Standard: N/A4BTA3.9-G2C G-Drive Engine
Fuel Pump: BYC A Pump
Governor: Elec.
Aspiration: TC & Water-Air Intercooler
Emission Standard: N/A4BTA3.9-G11 G-Drive Engine
Fuel Pump: BYC PB Pump
Governor: Elec.
Aspiration: TC & Water-Air Intercooler
Emission Standard: N/A4BTA3.9-G12 G-Drive Engine
Fuel Pump: BYC PB Pump
Governor: Elec.
Aspiration: TC & Water-Air Intercooler
Emission Standard: N/A4BTA3.9-G13 G-Drive Engine
Fuel Pump: WF PW Pump
Governor: Elec.
Aspiration: TC & Water-Air Intercooler
Emission Standard: N/A4BTAA3.9-G3 G-Drive Engine
Fuel Pump: WF PW Pump
Governor: Elec.
Aspiration: TC & Air-Air Intercooler
Emission Standard: N/A
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 …
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…
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…
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…
News & Events
Technical Articles
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DCEC Engine Overseas Maintenance Service Guide
DCEC products enjoy the services of the unified DCEC global service system, and the service is carried out according to the territorial principle, that is, the DCEC service station where the engine is located is responsible for the warranty and service provision of t...
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LNG(I)
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LNG(II)
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The Different Structure of Automatic Transmission
Fine variable speed can not be realized in hydraulic torque converter, but can be realized in planet gear transmission. A unit in a planet gear transmission consists of a central solar gear.an outer gear ring, a planet gear between the sun gear and the tooth ring, an...