Committed to providing reliable premium railway equipment and solutions to railway operators and train manufacturers worldwide, RailMac is a sub-brand of SinoMac Group that focuses on railway applications. With a well-educated team possessing international backgrounds and extensive experience in the railway manufacturing industry, RailMac can easily understand and respond to customer needs, significantly reducing customers’ communication costs. Our core business philosophy is “A Promise is a Promise”, and we practice the attitude of “be realistic, be innovative”. Read More
SinoMac Group Limited was established in Hong Kong in 2010, aims to become a solid one-stop supplier in the power machinery industry. SinoMac operates four overseas subsidiaries and owns 10 self-registered trademarks, our products are widely used in energy, maritime, automotive, construction, railways and spare parts. With years of rich powertrain supply experience, SinoMac can quickly understand and respond to customer needs, greatly reducing customer communication costs.
SinoMac provides one-stop solutions covers from pre-design to components supply, from installation to commissioning, from pre-sales communication to after-sales service support.
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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…

Primary Equipment
We specialize in primary equipment for railway systems, offering essential components that form the backbone of modern trains. Our products include air compressors, train chargers, and power generation units designed to ensure reliable and efficient operation. These primary systems are built to withstand the demands of daily use, providing a solid foundation for your rolling stock. Whether for new builds or retrofits, our primary equipment is engineered to enhance performance and safety.

Body Components
Our range of body components is designed to meet the highest standards of durability and functionality. From exterior panels and doors to interior fittings like glass integrated restrooms and aluminum honeycomb bathrooms, we provide comprehensive solutions. These components are engineered to enhance the overall structure and aesthetics of railway vehicles, ensuring both passenger comfort and operational reliability.

Traction Control System
We offer advanced traction control systems that are essential for efficient train operation. Our systems include traction motors, control consoles, and electrical cabinets designed to optimize power distribution and control. These high-performance components ensure smooth acceleration, precise speed control, and reliable braking, enhancing both safety and efficiency. Our traction control systems are tailored to meet the specific needs of modern railway applications.

Train Auxiliary Equipment
Our train auxiliary equipment is designed to enhance the functionality and comfort of railway vehicles. We provide a wide range of products, including vacuum toilet systems, HVAC units, and auxiliary power units. These components are essential for maintaining passenger comfort and ensuring smooth train operations. Our auxiliary equipment is built to the highest standards, ensuring reliability and ease of maintenance.

Bogie and Braking System
We specialize in bogie and braking systems, providing essential components for safe and efficient train operations. Our bogie systems include advanced suspension components and wheelsets designed to ensure smooth rides and reduced maintenance. The braking systems we offer are state-of-the-art, featuring reliable braking mechanisms and advanced control systems. These integrated solutions enhance safety and reliability, making them a crucial part of any modern railway fleet.
Find Engines by Series or Type
Below list is the engines classified by engine type, you can also find engines classified by series in the top menu.
Primary Equipment
| 123-235 HP | ||||||||
| 220-325 HP | ||||||||
| 300-375 HP | ||||||||
| 276-423 HP | ||||||||
| 147-191 HP | ||||||||
| 123-158 HP | ||||||||
| 138-217 HP | ||||||||
| 207-289 HP | ||||||||
| 130-150 HP | ||||||||
| 153-168 HP | ||||||||
| 260-394 HP | ||||||||
| 288-419 HP | ||||||||
| 424-525 HP | ||||||||
| 380-420 HP | ||||||||
| 480-591 HP | ||||||||
| 591-650 HP | ||||||||
Engine Model Power/HP | 0 | 100 | 200 | 300 | 400 | 500 | 600 | 700 |
| Emission Srandard:Euro ⅠEuro ⅡEuro ⅢEuro ⅣEuro ⅤEuro ⅥEuro Ⅶ | ||||||||
| DCEC Automotive Engine Catalogue | ||||||||
Body Components
| 80-130 HP | ||||||||
| 115-180 HP | ||||||||
| 145-280 HP | ||||||||
| 220-354 HP | ||||||||
| 108-128 HP | ||||||||
| 108-159 HP | ||||||||
| 130-206 HP | ||||||||
| 133-260 HP | ||||||||
| 151-260 HP | ||||||||
| 46-74 HP | ||||||||
| 99-139 HP | ||||||||
| 214-354 HP | ||||||||
| 289-410 HP | ||||||||
| 754 HP | ||||||||
| 383-575 HP | ||||||||
| 453-552 HP | ||||||||
| 552-754 HP | ||||||||
Engine Model Power/HP | 0 | 100 | 200 | 300 | 400 | 500 | 600 | 700 |
| Emission Srandard:Euro ⅠEuro ⅡEuro ⅢEuro ⅣEuro ⅤEuro ⅥEuro Ⅶ | ||||||||
| DCEC Industrial Engine Catalogue | ||||||||
Traction Control System
| 36 – 97 kW | ||||||||
| 92 – 153 kW | ||||||||
| 151 – 194 kW | ||||||||
| 179 – 264 kW | ||||||||
| 412 – 478 kW | ||||||||
| 36 – 85 kW | ||||||||
| 96 – 120 kW | ||||||||
| 118 – 170 kW | ||||||||
| 206 – 235 kW | ||||||||
| 340 – 429 kW | ||||||||
| 338 – 412 kW | ||||||||
Engine Model Power/kW | 0 | 100 | 200 | 300 | 400 | 500 | 600 | 700 |
| Emission Srandard:Euro ⅠEuro ⅡEuro ⅢEuro ⅣEuro ⅤEuro ⅥEuro Ⅶ | ||||||||
| DCEC Pump Engine Catalogue | ||||||||
Train Auxiliary Equipment
| 20 – 96 kW | ||||||||
| 86 – 150 kW | ||||||||
| 163 – 190 kW | ||||||||
| 220 – 255 kW | ||||||||
| 250 – 290 kW | ||||||||
| 455 – 537 kW | ||||||||
| 33 – 100 kW | ||||||||
| 96 – 159 kW | ||||||||
| 206 kW | ||||||||
| 151 – 209 kW | ||||||||
| 206 – 301 kW | ||||||||
| 319 kW | ||||||||
| 439 – 603 kW | ||||||||
Engine Model Power/kW | 0 | 100 | 200 | 300 | 400 | 500 | 600 | 700 |
| Emission Srandard:Euro ⅠEuro ⅡEuro ⅢEuro ⅣEuro ⅤEuro ⅥEuro Ⅶ | ||||||||
| DCEC G-Drive Engine Catalogue | ||||||||
Bogie and Braking System
| 120-150 HP | ||||||||
| 188-254 HP | ||||||||
| 300-315 HP | ||||||||
| 308 HP | ||||||||
| 47-65 kW | ||||||||
| 80-132 kW | ||||||||
| 115-175 kW | ||||||||
| 200-215 kW | ||||||||
Engine Model Power/HP & kW | 0 | 50 | 100 | 150 | 200 | 250 | 300 | 350 |
| Emission Srandard:Euro ⅠEuro ⅡEuro ⅢEuro ⅣEuro ⅤEuro ⅥEuro Ⅶ | ||||||||
| DCEC Marine Main Engine Catalogue | ||||||||
| 6BT5.9-M120 | 120 Hp @ 2200 RPM | 6BTA5.9-M150 | 150 Hp @ 2200 RPM | |||||||
6CTA8.3 Marine Main Engine 1494 mm * 796 mm * 1228mm Euro Stage II | 6CTA8.3-M188 | 188 Hp @ 2328 RPM | 6CTA8.3-M205 | 205 Hp @ 2328 RPM | 6CTA8.3-M220 | 220 Hp @ 1800 RPM | 6CTAA8.3-M260 | 254 HP @ 2134 RPM | ||||
6LTAA8.9 Marine Main Engine 1494 mm * 796 mm * 1228 mm Euro Stage II | 6LTAA8.9-M300 | 300 BHP @ 1800 RPM | 6LTAA8.9-M315 | 315 BHP @ 2134 RPM | ||||||
QSL8.9 Marine Main Engine 1494 mm * 796 mm * 1228 mm Euro Stage III | QSL8.9-M313 | 308 HP @ 2200 RPM | |||||||
| ——END—— | ||||||||
| DCEC Marine Auxiliary Engine Catalogue | ||||||||
4BT3.9 Marine Auxiliary 1100 mm * 800 mm * 1200 mm Euro ll | 4BTA3.9-GM47 | 47 kW @ 1500 RPM | 4BTA3.9-GM65 | 65 kW @ 1800 RPM | ||||||
6BT5.9 Marine Auxiliary 1182 mm * 761 mm * 1127 mm Euro ll | 6BT5.9-GM80 | 80 kW @ 1500 RPM | 6BT5.9-GM83 | 83 kW @ 1500 RPM | 6BT5.9-GM100 | 100 kW @ 1800 RPM | 6BTA5.9-GM100 | 100 kW @ 1500 RPM | ||||
| 6BTA5.9-GM120 | 120 kW @ 1800 RPM | 6BTAA5.9-GM115 | 115 kW @ 1500 RPM | |||||||
6CTA8.3 Marine Auxiliary 1494 mm * 796 mm * 1228 mm Euro ll | 6CT8.3-GM115 | 115 kW @ 1500 RPM | 6CT8.3-GM129 | 129 kW @ 1800 RPM | 6CTA8.3-GM155 | 155 kW @ 1500 RPM | 6CTA8.3-GM175 | 175 kW @ 1800 RPM | ||||
6LTAA8.9 Marine Auxiliary 1400 mm * 900 mm * 1100 mm Euro ll | 6LTAA8.9-GM200 |200 kW @ 1500 RPM | 6LTAA8.9-GM215 | 215 kW @ 1800 RPM | ||||||
| ——END—— | ||||||||
Customer Review
Indonesia | Construction – Customer lnterview
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 – Ground Support Equipment
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
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
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 | Marine – Indonesia Shipyard Interview
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.
Thailand | Pump – Thailand Engineering Company Interview
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
USA | Construction – A USA Company’s Feedback
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...
A Egypt’s | Marine – A Egypt’s Company Feedback.
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...
Malaysia | Marine – Feedback from Safari Boat Operators
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 – Asean Company’s Feedback
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...
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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 tec...
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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 internat...
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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.
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Malaysia | Construction – Ground Support Equipment
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...
-
Vietnam | Pump – Electric Motor
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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Thailand | Pump – Equipment Production
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...
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. 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. 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 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. 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. 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. 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. 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. From June 18 to 20, 2025, the highly anticipated 2025 Turkey Railway, Rolling Stock and Logistics Exhibition (Eurasia Rail Turkey) opened grandly at the Istanbul Expo Center (IFM). As one of the most influential industry events in the railway and rail transit fields in the Middle East, Africa and Europe, this exhibition attracted many outstanding companies from the global rail transit, rolling stock and logistics technology fields to participate in the exhibition. During the three-day exhibition, the exhibitors concentrated on displaying the industry's cutting-edge technologies and innovative achievements, building an efficient technical exchange and business cooperation platform for international professionals, and providing an important opportunity to promote the development of the global rail transit industry. The 2025 Kazakhstan International Mining, Exploration and Coal Processing Exhibition (Mining Week) is set to take place grandly in Karaganda, Kazakhstan, from June 24 to 26. As one of the most influential mining exhibitions in Central Asia, Mining Week provides a professional platform for enterprises, experts, and practitioners in the global mining sector to highlight innovative technologies, exchange industry experiences, and explore cooperation opportunities.Global Activity
Attending a Global Maritime Extravaganza, SinoMac will be showcasing at Marintec China 2025
Deeply Cultivate the International Market, Empowering the Future of Rail ——Focus [PRO//Motion Expo 2025]: SinoMac Exhibition Highlights Review
Focus on marine industry event, start a new chapter of marine development together–SinoMac Group Limited to exhibit at Marine & Offshore Vietnam 2025
Review SAUDI RAIL 2025 :SinoMac Exhibition Highlights
SinoMac Group Limited made its debut at the 2025 Indonesia International Construction Machinery, Mining and Concrete Exhibition.
2025 Russian International Railway and Rail Transit Exhibition: SinoMac invites you to join the industry feast
SinoMac actively participated in the International Railway and Rail Transit Exhibition in Berlin, Germany, to explore the new future of the industry
SinoMac Company participated in the Saudi International Railway and National Highway Transportation Exhibition to explore new opportunities in the industry
SinoMac makes a brilliant appearance at Eurasia Rail Turkey 2025
SinoMac Makes a Grand Appearance at the 2025 Kazakhstan International Mining, Exploration and Coal Processing Exhibition





