Datong Gear Co.,Ltd mainly produces commercial vehicle transmission,Engine gear,Construction machinery gear. Transmission produced can match 140hp to 540hp, torque from 480Nm to 2500Nm and apply to whole series of commercial vehicle.…
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…
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…
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…
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…
Heavy Manual No-Sync Gearbox I Synchronizer-free high-efficiency transmission system
The gearbox is designed as a long-range single-H operated type, featuring a main transmission that is manually controlled and a range that is operated pneumatically. An interlocking mechanism is utilized to effectively protect the synchronizer of the range, ensuring smooth and accurate gear shifts. The main group countershaft is employed for the rear power take-off, enhancing the versatility of the transmission. The lubrication system is a combination of forced lubrication and gear splash lubrication, ensuring that all components are well-lubricated for optimal performance and durability. Furthermore, the gearbox is capable of being equipped with rear power take-offs, offering torque outputs of 500 and 700 Nm, providing additional flexibility and power options for various applications.
Heavy Manual Sync Gearbox I Advanced Synchronized Drive System
Light-Medium Sync Gearbox I Advanced Synchronized Drive System
Light-Medium No-sync Gearbox I Synchronizer-free high-efficiency transmission system
AMT Hybrid Gearbox I Intelligent Automated Manual Transmission System
Parts | A Trustworthy Engine Parts Partner-PartMac
Find Gearbox by Series or Type
Below list is the gearbox classified by gearbox type, you can also find gearbox classified by series in the top menu.
Heavy Manual No-Sync Gearbox
Maximum Input Torque: 1500 N.m Maximum Input Torque : 1900 N.m Maximum Input Torque: 2100 N.m Maximum Input Torque: 2100 N.m Maximum Input Torque: 2300 N.m Maximum Input Torque: 2500 N.m Maximum Input Torque: 2700 N.m
HW15710
Dry Weight: 363 kg
Oil Capacity(PTO): 12 L (12.5 L)
Total Length: 843 mm
HW19710
Dry Weight : 363 kg
Oil Capacity(PTO) : 12 L (12.5 L)
Total Length : 843 mm
HW19712
Dry Weight: 379 kg
Oil Capacity(PTO): 13 L (13.5 L)
Total Length: 915 mm
HW21712XSJ
Dry Weight: 379 kg
Oil Capacity(PTO): 13 L (13.5 L)
Total Length: 915 mm
HW23712XSJ
Dry Weight: 379 kg
Oil Capacity(PTO): 13 L (13.5 L)
Total Length: 915 mm
HW25712XSJ
Dry Weight: 428 kg
Oil Capacity(PTO): 13 L (13.5 L)
Total Length: 993 mm
HW27712XSJ
Dry Weight: 428 kg
Oil Capacity(PTO): 13 L (13.5 L)
Total Length: 993 mm
Heavy Manual Sync Gearbox
Maximum Input Speed : 2400 RPM Maximum Input Torque: 2100 N.m Maximum Input Torque: 2100 N.m Maximum Input Torque: 2500 N.m Maximum Input Torque: 2500 N.m
HW13709XST
Dry Weight : 327 kg
Oil Capacity : 9.5 L
Total Length : 859 mm
HW21712XSTL
Dry Weight: 320 kg
Oil Capacity(PTO): 13 L (13.5 L)
Total Length: 993 mm
HW23712XSTL
Dry Weight: 320 kg
Oil Capacity(PTO): 14 L
Total Length: 993 mm
HW25712XSTL
Dry Weight: 325 kg
Oil Capacity(PTO): 11 L（11.5 L)
Total Length: 993 mm
HW27712XSTL
Dry Weight: 428 kg
Oil Capacity(PTO): 13 L (13.5 L)
Total Length: 993 mm
Light-Medium Sync Gearbox
Maximum Input Torque: 950 N.m Maximum Input Torque : 1200 N.m
HW95508STC
Maximum Input Speed : 2600 RPM
Dry Weight : 196 kg
Oil Capacity : 6 L
HW11708STC
Maximum Input Speed : 2600 RPM
Dry Weight : 191 kg
Oil Capacity : 6 L
Light-Medium No-sync Gearbox
Maximum Input Torque: 1100 N.m
HW90510
Maximum Input Speed: 2300 RPM
Dry Weight: 194 kg
Speed Ratio Range: 11.99 – 0.82
AMT Hybrid Gearbox
Maximum Input Torque: 250 – 500 N.m Maximum Input Torque: 950 N.m Maximum Input Torque : 950 N.m Maximum Input Torque : 1200 N.m Maximum Input Torque: 250 – 500 N.m
SR
Maximum Input Speed: 6000 RPM
Dry Weight: 80 – 160 kg
Speed Ratio Range: 3.6 – 7.8
HW95508A
Maximum Input Speed: 3200 RPM
Dry Weight: 148 kg
Speed Ratio Range: 0.757 – 9.100
HW95510A
Maximum Input Speed : 3200 RPM
Dry Weight : 148 kg
Oil Capacity : 6 L
HW11710A
Maximum Input Speed : 2600 RPM
Dry Weight : 152.5 kg
Oil Capacity : 6 L
HW25716XAL
Maximum Input Speed: 6000 RPM
Dry Weight: 50 – 160 kg
Total Length: 389.5 * 591.8 * 431.3 mm
Customer Review
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!
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!
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!
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 | 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...
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...
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...
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
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.
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When Chinese heavy trucks hit the F1 track
One is the 'sacred ground' that continuously pushes vehicle speed limits, the other is the 'legend' of China's commercial vehicle industry. When top international F1 drivers sat in the SITRAK truck and drove onto the F1 track, the roar of Chinese heavy-duty trucks' 'Strength to Carry, Speed to Lead' echoed across the globe.
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Development of Datong-Gear Company
Datong Gear Factory was established in 1958 and has a history spanning 66 years. Initially, it was not named Datong Gear Factory; it was known as Datong General Machine Tool Factory, which did not specialize in gearboxes and gears. Its main products at the time were locomobile and centrifugal water pumps. In 1963, Datong General Machine Tool Factory was renamed to Datong Agricultural Machinery Parts Factory, primarily producing tractor parts and cast iron pipes, which marked a slight connecti...
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Company Introduction: Datong-gear Company
Sinotruk Datong Gear Co., Ltd. was founded in 1958, restructured into a company in 1997, and became a wholly-owned subsidiary of Sinotruk in 2008. The company is located in the Equipment Manufacturing Industrial Park of Datong City, covers an area of about 1,000 acres, with a total asset value of 1.676 billion yuan. It is a leading enterprise in the equipment manufacturing industry in Shanxi Province. The company focuses on the research and development and production of Japanese, European a...
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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 h...
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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 h...
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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 h...
Global Activity
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 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 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
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
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, 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. Through high-level business forums and in-depth industry exchange activities, the event provided an important platform and created key opportunities for promoting the coordinated development of the global rail transportation industry.
Focus on marine industry event, start a new chapter of marine development together–SinoMac Group 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.
2025 Russian International Railway and Rail Transit Exhibition: SinoMac 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.
SinoMac actively participated in the International Railway and Rail Transit Exhibition in Berlin, Germany, to explore the n
From September 22 to 25, 2026, the highly anticipated biennial Berlin International Railway and Rail Transit Exhibition (InnoTrans Berlin) opened grandly in Berlin, Germany. As the largest and most influential event in the global railway and rail transit field, InnoTrans Berlin 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. The exhibition covers a number of key areas such as bridges and tunnels, public transportation, and comprehensively displays innovative technologies, advanced equipment and comprehensive solutions in the railway and rail transit industry. From infrastructure construction to operation management, from vehicle manufacturing to intelligent system applications, the exhibition content is rich and diverse, providing participants inside and outside the industry with an excellent platform for a comprehensive understanding of industry dynamics, exchanges and cooperation.
