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DuraMac Transfer Case

DuraMac Transfer Case encompasses wheeled vehicles, construction machinery chassis, pump drives, and multi-output systems, serving sectors including defence, construction machinery, oil fields, ports, and specialty vehicles.

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.

Interchangeable with Germany Z&F Transfer Case

Our product is compatible with German Z&F transfer cases, maintaining identical interfaces and mounting dimensions for straightforward direct replacement. DuraMac’s transfer case design offers multiple gear ratio options and connection devices, providing flexible adaptation to various host equipment and functional requirements.

International Certification System Assurance

Strictly implement the quality management system certified to ISO 9001 and IATF 16949 standards to ensure product reliability and consistency throughout the entire process, and continuously meet the high standards demanded by customers and the industry.

Customization and After-Sales Service

The transfer case features a modular design that supports multiple configuration customizations and rapid development, ensuring the product aligns with actual operating conditions. Leveraging our local service network, we provide comprehensive support from product selection to after-sales service, guaranteeing efficient and reliable transmission solutions for customers worldwide.

DCEC-Dongfeng Engine Company Introduction Video on Youtube

As a high-tech leader in the drivetrain sector, Duramac has long focused on the R&D and manufacturing of transmission units, transfer cases, planetary gearboxes, and powertrains for new energy vehicles, backed by robust large-scale production capabilities. DuraMac has established a comprehensive technological innovation system and strictly implements a quality management system certified to ISO 9001 and IATF 16949 standards, ensuring product reliability and consistency throughout the entire production process. Through continuous technological innovation and exceptional product quality, its offerings are widely adopted across multiple industrial sectors, earning high trust and acclaim from both the market and customers…. Read More

SinoMac Group was established in 2010 to become a leading one-stop supplier in the power machinery industry. The company operates four overseas subsidiaries and owns 10 self-registered trademarks. Its products are widely used in various fields such as energy, mining, maritime, automotive, rail transport, and spare parts. SinoMac Group integrates other top-tier power systems and new energy products to form relevant systems that meet specific needs.
With years of extensive experience in power system supply, SinoMac Group is capable of quickly understanding and responding to customer needs, significantly reducing communication costs for clients. The company offers a one-stop solution that covers everything from pre-design to component supply, from installation to commissioning, and from pre-sales communication to after-sales service support…Read More

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

As a professional one-stop power system provider with 12 years of experience, SinoMac Group has a unique and outstanding capability to supply complete power systems for a variety of applications. From automotive power systems to rail transit power systems, water pump drive packages to complete generator sets, and marine propulsion systems to marine power systems, SinoMac Group works closely with factories of world-leading companies in China to provide high-end solutions at competitive prices.
SinoMac Group is an excellent solution provider with a professional and dedicated team. We have developed an advanced management system based on our past experiences, and SinoMac Group is an innovator in detailed visualization services, offering professional videos for every single product we sell. This commitment to excellence ensures that our customers receive not only high-quality products but also unparalleled service and support…Read More

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

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Wheeled Vehicle Transfer Cases

Specifically designed for all-wheel-drive wheeled vehicles, this unit integrates an inter-axle differential with high/low gear ratios. Featuring pneumatic shifting and built-in lubrication, it enhances the off-road capability and handling of all-wheel-drive vehicles. Compatible with mainstream transmission interfaces, it facilitates seamless integration and development for complete vehicles.

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DCEC-Industrial-Engine-application-scenario-picture-06

Machinery Chassis Transfer Cases

Specifically engineered for heavy-duty construction machinery, this transmission integrates high-torque multi-speed gearing with a forced lubrication cooling system to meet the demands of continuous heavy-load operations. It supports remote pneumatic/hydraulic shifting, enhancing operational efficiency and safety.

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DCEC-Pump-Engine-Application-scenario-picture-06

Pump Drives

Pump Drives enable a single motor to drive multiple pumps. Featuring a compact design, high transmission efficiency, and adjustable speed ratios, they save space and reduce power costs while enhancing system energy efficiency. These units flexibly adapt to various pump types and operating conditions.

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Other Transfer Cases

Transmission solutions specifically engineered for special equipment, meeting customized requirements through compact, lightweight, or specially protected designs. These solutions ensure the stable operation of specialized machinery in harsh environments such as dusty or vibration-prone conditions.

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Find Transfer Cases by Series or Type

Below list is the transfer cases classified by transfer case type, you can also find transfer cases classified by series in the top menu.

Wheeled Vehicle Transfer Cases

Pump Drives

Pump Drive Engine

4BT3.9 Pump 36 – 97 kW
6BT5.9 Pump92 – 153 kW
6CTA8.3 Pump151 – 194 kW
6LTAA8.9 Pump179 – 264 kW
M15CS4 Pump412 – 478 kW
QSB3.9 Pump36 – 85 kW
QSB5.9 Pump96 – 120 kW
QSB6.7 Pump118 – 170 kW
QSL8.9 Pump206 – 235 kW
QSZ13 Pump340 – 429 kW
QSZ14 Pump338 – 412 kW

Engine Model

Power/kW

0100200300400500600700
Emission Srandard:Euro ⅠEuro ⅡEuro ⅢEuro ⅣEuro ⅤEuro ⅥEuro Ⅶ
DCEC Pump Engine Catalogue
Series
Model
4BT3.9-P50 | 36 kW @ 1500 RPM4BT3.9-P55 | 40 kW @ 1800 RPM4BT3.9-C90 | 66 kW @ 2900 RPM4BTA3.9-P80 | 58 kW @ 1500 RPM
4BTA3.9-C80-II | 60 kW @ 2200 RPM4BTA3.9-P90 | 67 kW @ 1800  RPM4BTA3.9-P95 | 70 kW @ 1500 RPM4BTA3.9-C100 | 74 kW @ 2200  RPM
4BTA3.9-C100-II | 74 kW @ 2200 RPM4BTA3.9-C105 | 78 kW @ 2900 RPM4BTA3.9-P110 | 80 kW @ 1800  RPM4BTA3.9-C110-II | 82 kW @ 2200 RPM
4BTA3.9-C125 | 93 kW @ 2200 RPM4BTA3.9-C125-II | 93 kW @ 2200 RPM4BTA3.9-C130-II | 97 kW @ 2200 RPM4BTAA3.9-C80 | 60 kW @ 2200 RPM
4BTAA3.9-C110 | 82 kW @ 2200 RPM4BTAA3.9-C115 | 87 kW @ 2200 RPM4BTAA3.9-C125-II | 93 kW @ 2300 RPM4BTAA3.9-C130 | 97 kW @ 2500 RPM
6BT5.9-C125-II | 92 kW @ 2200 RPM6BT5.9-C130 | 97 kW @ 2200 RPM6BT5.9-C130-II | 97 kW @ 2200 RPM6BT5.9-P130 | 96 kW @ 1500 RPM
6BT5.9-P160 | 115 kW @ 1800 RPM6BTA5.9-C150-II | 112 kW @ 2200 RPM6BTA5.9-C165-II | 123 kW @ 2200 RPM6BTA5.9-C170 | 125 kW @ 2900 RPM
6BTA5.9-C170-II | 127 kW @ 2000 RPM6BTA5.9-C180-II | 132 kW @ 2200 RPM6BTAA5.9-C130A | 97 kW @ 2200 RPM6BTAA5.9-C130B | 97 kW @ 2200 RPM
6BTAA5.9-C130C | 97 kW @ 2000 RPM6BTAA5.9-C160 | 118 kW @ 2200 RPM6BTAA5.9-P160 | 120 kW @ 1500 RPM6BTAA5.9-C170A | 125 kW @ 2200 RPM
6BTAA5.9-C170B | 127 kW @ 2200 RPM6BTAA5.9-P180 | 132 kW @ 1800 RPM6BTAA5.9-C180A | 132 kW @ 2200 RPM6BTAA5.9-C180B | 132 kW @ 2500 RPM
6BTAA5.9-C180C | 132 kW @ 2500 RPM6BTAA5.9-C190 | 142 kW @ 2000 RPM6BTAA5.9-C205 | 153 kW @ 2000 RPM
6CTA8.3-C205-II | 151 kW @ 1850 RPM6CTA8.3-C215-II | 160 kW @ 2200 RPM6CTA8.3-P220 | 163 kW @ 1500 RPM6CTA8.3-C225 | 166 kW @ 3000 RPM
6CTA8.3-P230 | 170 kW @ 1800 RPM6CTA8.3-C230-II | 170 kW @ 1850 RPM6CTA8.3-C240-II | 179 kW @ 2200 RPM6CTA8.3-C260-II | 194 kW @ 1900 RPM
6CTAA8.3-C215 | 160 kW @ 2200 RPM6CTAA8.3-C240 | 179 kW @ 2200 RPM6CTAA8.3-C248 | 183 kW @ 3000 RPM6CTAA8.3-P250 | 183 kW @ 1500 RPM
6CTAA8.3-P260 | 190 kW @ 1800 RPM6CTAA8.3-C260 | 194 kW @ 2200 RPM
6LTAA8.9-C240 | 179kW @ 2200 RPM6LTAA8.9-C260 | 194kW @ 2200 RPM6LTAA8.9-C300 | 225kW @ 2000 RPM6LTAA8.9-P310 | 230 kW @ 1500 RPM
6LTAA8.9-C325 | 239kW @ 2200 RPM6LTAA8.9-P340 | 255 kW @ 1800 RPM 6LTAA8.9-C340 | 250 kW @ 3000 RPM6LTAA8.9-C360 | 264kW @ 2200 RPM
M15CS4-560C | 412 kW @ 2100 RPMM15CS4-600C | 447 kW @ 2100 RPMM15CS4-650C | 478 kW @ 2100 RPM
QSB3.9-P50 | 36 kW @ 2900 RPMQSB3.9-P80B | 60 kW @ 2900 RPMQSB3.9-P80A | 63 kW @ 1500 RPMQSB3.9-P110 | 79 kW @ 1500 RPM
QSB3.9-P115 | 85 kW @ 2900 RPM
QSB5.9-P130 | 96 kW @ 1500 RPMQSB5.9-P160 | 120 kW @ 1500 RPM
QSB6.7-P160 | 118 kW @ 2900 RPMQSB6.7-P200 | 147 kW @ 2900 RPMQSB6.7-P220 | 168 kW @ 1500 RPMQSB6.7-P230 | 170 kW @ 2900 RPM
QSL8.9-P280 | 206 kW @ 1500 RPMQSL8.9-P320 | 235 kW @ 1500 RPM
QSZ13-P450A | 340 kW @ 1500 RPMQSZ13-P450B | 340 kW @ 1800 RPMQSZ13-P550A | 410 kW @ 1500 RPMQSZ13-P550B | 410 kW @ 1800 RPM
QSZ13-C380-III | 286 kW @ 1900 RPMQSZ13-C400-III | 298 kW @ 1900 RPMQSZ13-C425-III | 316 kW @ 1900 RPMQSZ13-C450-III | 335 kW @ 1900 RPM
QSZ13-C475-II | 354 kW @ 1900 RPMQSZ13-C500-II | 372 kW @ 1900 RPMQSZ13-C525-II | 391 kW @ 1900 RPMQSZ13-C550-II | 410 kW @ 1900 RPM
QSZ13-C575-II | 429 kW @ 1900 RPM
QSZ14-C460-30 | 338 kW @ 2100 RPMQSZ14-C490-30 | 360 kW @ 2100 RPMQSZ14-C540-30 | 397 kW @ 2100 RPMQSZ14-C560-30 | 412 kW @ 2100 RPM
QSZ14-C560-31 | 412 kW @ 2100 RPM
——END——

Other Transfer Cases

DCEC Cummins Project Video

Years of Experience

Types of Application

Projects

Serviced Clients

Customer Review

Indonesia | Construction

EMAC's customer interview video of 2025, EMAC finished a series of customer interview with 10 different business partners from different countries and regions, most of videos are took at customer's company and factory, collecting all reviews and evaluations of EMAC, covering different industries in different country and regions, we believe this series of EMAC customer interview videos can help all of other customers get to know more about EMAC, our true customer interview case can greatly help customers relieve their worries, and build their confidence to cooperate with EMAC. A Promise is A Promise, EMAC always do what we say, and for customer’s feedback, also 100% original from clients’s real words. EMAC, a Chinese company that you can trust!

Malaysia | Construction

EMAC's customer interview video of 2023, EMAC finished a series of customer interview with 10 different business partners from different countries and regions, most of videos are took at customer's company and factory, collecting all reviews and evaluations of EMAC, covering different industries in different country and regions, we believe this series of EMAC customer interview videos can help all of other customers get to know more about EMAC, our true customer interview case can greatly help customers relieve their worries, and build their confidence to cooperate with EMAC. A Promise is A Promise, EMAC always do what we say, and for customer’s feedback, also 100% original from clients’s real words. EMAC, a Chinese company that you can trust!

Vietnam-Pump-Electric-Motor

Vietnam | Pump

EMAC's customer interview video of 2024, EMAC finished a series of customer interview with 10 different business partners from different countries and regions, most of videos are took at customer's company and factory, collecting all reviews and evaluations of EMAC, covering different industries in different country and regions, we believe this series of EMAC customer interview videos can help all of other customers get to know more about EMAC, our true customer interview case can greatly help customers relieve their worries, and build their confidence to cooperate with EMAC. A Promise is A Promise, EMAC always do what we say, and for customer’s feedback, also 100% original from clients’s real words. EMAC, a Chinese company that you can trust!

Thailand-Pump-Equipment-Production

Thailand | Pump

EMAC's customer interview video of 2023, EMAC finished a series of customer interview with 10 different business partners from different countries and regions, most of videos are took at customer's company and factory, collecting all reviews and evaluations of EMAC, covering different industries in different country and regions, we believe this series of EMAC customer interview videos can help all of other customers get to know more about EMAC, our true customer interview case can greatly help customers relieve their worries, and build their confidence to cooperate with EMAC. A Promise is A Promise, EMAC always do what we say, and for customer’s feedback, also 100% original from clients’s real words. EMAC, a Chinese company that you can trust!

EMAC-Customer-Interview-In-Indonesia-1

Indonesia | Marine

EMAC's customer interview video of 2023, EMAC finished a series of customer interview with 10 different business partners from different countries and regions, most of videos are took at customer's company and factory, collecting all reviews and evaluations of EMAC, covering different industries in different country and regions, we believe this series of EMAC customer interview videos can help all of other customers get to know more about EMAC, our true customer interview case can greatly help customers relieve their worries, and build their confidence to cooperate with EMAC.

EMAC-Customer-Interview-2024-1-2

Thailand | Pump

EMAC's customer interview video of 2023, EMAC finished a series of customer interview with 10 different business partners from different countries and regions, most of videos are took at customer's company and factory, collecting all reviews and evaluations of EMAC, covering different industries in different country and regions, we believe this series of EMAC customer interview

EMACs-Customer-Evaluation-A-USA-Companys-Feedback-741x496-1

USA | Construction

EMAC company till now, and 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 the strong ability of giving multiple brands options, we are happy to be partner of EMAC, that able to provide us one-stop power system solution from China, and they always can give us best value for money solution based on our requirement...

EMACs-Customer-Review-A-Egypts-Company-FeedbackSize-180x120px

A Egypt’s | Marine

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.Since the year of 2021, we start business relationship with EMAC and they are the first Chinese company we are working with...

EMACs-Customer-Review-A-Safari-Boats-Operators-FeedbackSize-180x120px

Malaysia | Marine

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 are working perfectly. We do happy with the good quality of products from EMAC, the stability...

EMACs-Customer-Evaluation-A-Asean-Companys-FeedbackSize-180x120px

Asean | Marine

We are a marine equipments packager company in Asean, estbalished in 2007. We packaged marine generator sets, marine propulsion system, side thruster, CPP propeller system, azimuth thruster, fuel and oil purifiers , engine electronic control system etc...

News & Events

Technical Articles

Global Activity

SinoMac Makes Its Mark at Global Maritime

SinoMac Makes Its Mark at Global Maritime Event—A Look Back at Marintec China 2025

Hailed as the "Olympics" of the global maritime industry, Marintec China 2025 took place from December 2 to 5, 2025, at the Shanghai New International Expo Centre. Centered on the theme "Innovation and Cooperation for Sustainable Maritime Development," this edition showcased cutting-edge technologies, innovative achievements, and sustainable pathways across the global maritime sector. It attracted over 2,000 exhibiting companies and tens of thousands of professional visitors from more than 100 countries and regions, highlighting China's pivotal influence and open-cooperative stance within the global maritime industry.

SinoMac’s Presence at the 2025 Kazakhstan International

SinoMac’s Presence at the 2025 Kazakhstan International Mining, Exploration & Coal Processing Exhibition

As one of the most influential mining exhibitions in Central Asia, the Kazakhstan International Mining, Exploration and Coal Processing Exhibition (Mining Week) was grandly held in Karaganda, Kazakhstan from June 24 to 26, 2025. Focused on the entire mining process, this exhibition showcased a concentrated display of technological innovations, equipment upgrades and green solutions-catering to the industry’s full-chain demands and serving as a premier platform for global mining players to showcase technologies, exchange experience and explore partnerships.

Review of SeaMac 2025

Review of SeaMac 2025 Vietnam International Maritime Ship Exhibition: Deeply connecting with the cutting-edge of the global maritime industry

Recently, the highly anticipated 2025 Vietnam International Maritime and Shipbuilding Exhibition concluded successfully at the Adora Convention Center in Ho Chi Minh City. As Vietnam's largest and most specialized event in shipbuilding and maritime technology, the exhibition gathered top shipbuilders, maritime service providers, and marine equipment manufacturers from around the world. SeaMac actively participated, comprehensively showcasing its innovative achievements and integrated capabilities in ship solutions and high-efficiency propulsion systems. The company engaged in extensive and in-depth exchanges with industry partners, achieving fruitful outcomes from its participation.

Attending a Global Maritime Extravaganza, SinoMac will be showcasing at Marintec China 2025

Attending a Global Maritime Extravaganza, SinoMac will be showcasing at Marintec China 2025

Marintec China 2025, hailed as a "global trendsetter for the maritime industry," will be held from December 2nd to 5th, 2025, at the Shanghai New International Expo Centre. The theme of this year's exhibition is "Innovation and Cooperation for Sustainable Development of the Maritime Industry," and the theme of the High-Level Maritime Forum is "Intelligent Navigation, Green Coexistence, Integration, and Innovation," reflecting expectations for the industry's future.

Review SAUDI RAIL 2025 SinoMac Exhibition Highlights

Review SAUDI RAIL 2025 ：SinoMac Exhibition Highlights

SinoMac successfully participated in SAUDI RAIL 2025, the annual industry event held in Riyadh, Saudi Arabia, from October 19th to 20th, 2025. At the exhibition, SinoMac showcased its strong capabilities in railway technology, innovative solutions, and full lifecycle services, and engaged in in-depth exchanges with industry partners, customers, and experts from around the world to jointly explore future opportunities for rail transit development in the Middle East.

Deeply Cultivate the International Market

Deeply Cultivate the International Market, Empowering the Future of Rail ——Focus [PRO//Motion Expo 2025]: SinoMac Exhibition Highlights Review

From August 28 to 31, 2025, the highly anticipated PRO//Motion Expo 2025 (Russian International Railway and Motion Exhibition) grandly opened at the Russian Railway Museum in St. Petersburg. PRO//Motion Expo is currently the largest railway and transportation exhibition in Russia and the Commonwealth of Independent States (CIS), attracting extensive participation from railway companies from CIS countries and around the world. Over the four-day exhibition, exhibitors showcased cutting-edge technologies and innovative achievements in the railway transportation industry.

Focus on marine industry event, start a new chapter of marine development together–SinoGen Power Technology Limited to exhibit at Marine & Offshore Vietnam 2025

Against the backdrop of the booming development of the global shipping and maritime industry, Vietnam International Maritime Expo 2025 (Marine & Offshore Vietnam) will be held in Ho Chi Minh City, Vietnam from 19th to 21st November. As one of the most influential maritime events in Southeast Asia, this exhibition brings together top enterprises and innovations in the fields of global shipbuilding, offshore engineering, port equipment, new energy ship technology, etc., and provides an international platform for industry colleagues to exchange and co-operate and explore the market.

SinoMac Group Limited made its debut at the 2025 Indonesia International Construction Machinery, Mining and Concrete Exhibition.

The International Exhibition of Engineering Machinery, Mining, and Concrete (Mining Indonesia) will be held in Jakarta, Indonesia, from September 17 to 20, 2025. As one of the most influential mining exhibitions in Southeast Asia, Mining Indonesia provides a professional platform for enterprises, experts, and practitioners in the global mining sector to showcase cutting-edge technologies, exchange industry insights, and explore collaborative opportunities.

SinoMac Company participated in the Saudi International Railway and National Highway Transportation Exhibition to explore new opportunities in the industry

The highly anticipated Middle East Saudi International Railway and National Road Transportation Exhibition (SAUDI RAIL) will be grandly opened in Riyadh, the capital of Saudi Arabia, from October 19 to 20, 2025. As an annual event in the field of rail transportation in the region, this exhibition focuses on Saudi Arabia's grand blueprint for rebuilding the future new city. With its strong industry influence and extensive market radiation, it has attracted many industry elites and enterprises to participate actively. The market heat continues to rise, showing a booming development trend.

2025 Russian International Railway and Rail Transit Exhibition: SinoGen invites you to join the industry feast

From August 28 to 31, 2025, the highly anticipated biennial Russian International Railway and Rail Transit Exhibition (PRO/Motion Expo) will be held in St. Petersburg. The exhibition is the largest and most professional railway and transportation exhibition in Eastern Europe and Central Asia. PRO/Motion Expo brings together industry elites, corporate representatives and professional visitors from all over the world to witness the latest development achievements and cutting-edge trends in the railway and rail transit industry. Here, many internationally renowned companies will showcase their latest technologies, products and solutions, covering railway infrastructure construction, train manufacturing, communication and signal systems, intelligent transportation and other fields. From advanced train design and manufacturing technology to efficient railway operation and management solutions; from innovative rail material research and development to intelligent railway communication and control systems, various cutting-edge technologies and innovative achievements will be presented one by one, bringing a wonderful industry feast to the participants.

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