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EQB / B Automotive

DCEC EQB / B series automotive engine is four-strokes engine with 102mm bore and 120mm stroke, Equipped with Bosch (or BYC or Weifu) pump. engine comes with turbocharger and Air- Air intercooler. The prime power range is from 92 kW to 210 kW.
As part of EMAC, DuraMac provides complete powertrain that integrated with DCEC engine, Fast-Eaton clutch, FAST-CAT transmission, Dongfeng-DANA axle and Komman air suspension, while the electrification of automobile is the certain future, Duramac also get involved with EV powertrain system. We provide full life cycle services for all customers, from design to power system supply, from installation to commissioning, from after-sales service training to spare parts supply, from trouble shooting to overhaul technical support.
DCEC EQB / B series electronic automotive engine can reach upto EU Stage VI emission standard, the number 30/40/50/60 are the emission standard mark of engine, which means engine emission standard are EU Stage III, IV, V, VI. For different emission standard DCEC EQB / B electronic series automotive engine, the engine itself are the same, the major different are the after-treatment system and ECU program, EMAC will keep updating products introduction page of different emission standard version engines, welcome to subscribe our website to get latest update information.
If you are in need of engine model that not available on our website for the moment, please contact EMAC sales team for technical details and related documents, our well trained sales and engineering team will help you with all products and techical documents available here at DCEC.

Advantages of EQB / B Automotive Engine

1. Lower fuel consumption: Originated from the United States CMS advanced design and superior manufacture, lower 20% oil consumption than congeneric Chinese products.
2. Strong power, the design of exhaust bypass valve makes low speed performance more perfect and better dynamic performance.
3. Excellent reliability, Cylinder block and head using integrated design, to stop the engine leaking and oil leakage phenomenon, engine parts are Less 40% than other similar engine, greatly reduce the failure rate.

EQB / B Mechanical Automotive Engine

All models of DCEC EQB / B Mechanical Automotive Engine.

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

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.

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

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.

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

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.

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.

EQ6750ST6D1 | Dongfeng School Bus

EQ6750ST6D1 | Dongfeng School Bus

Length*Width*Height: 7535mm*2400mm*2900 (Roof Lamp)/3050 (Air – conditioned)
wheelbases: 4200mm
Pay Load: 7250kg
Top speed: 69 Km/h

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

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.

EQ6110LTFCEV | Dongfeng Hydrogen Fuel Cell Coach

A Comprehensive Guide to Selecting Dongfeng Buses: Precisely Matching Needs for Efficient Operations

As a leading brand in China’s commercial vehicle sector, Dongfeng buses have become the preferred choice for enterprises and individual users in various scenarios such as passenger transport, commuting, and special transport, thanks to their reliable quality, diverse product lines, and comprehensive service networks. Faced with a variety of vehicle configurations, how do you choose the most suitable Dongfeng bus? This guide will provide professional advice from core dimensions to help you make the right choice.

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

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.

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

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 new future of the industry

SinoMac actively participated in the International Railway and Rail Transit Exhibition in Berlin, Germany, to explore the new future of the industry

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.

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

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.

SinoMac makes a brilliant appearance at Eurasia Rail Turkey 2025

SinoMac makes a brilliant appearance at Eurasia Rail Turkey 2025

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.

SinoMac Makes a Grand Appearance at the 2025 Kazakhstan International Mining, Exploration and Coal Processing Exhibition

SinoMac Makes a Grand Appearance at the 2025 Kazakhstan International Mining, Exploration and Coal Processing Exhibition

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.SinoGen Power Technology Limited (SinoMac) will participate in this mining event with its mining division, MineMac, bringing an elevated level of enthusiasm and firm determination.

Focus on the Railway and Rail Transit Expo, and Join Forces to Promote the Development of the Rail Transit Industry—— SinoMac is Set to Appear at the 2025 Turkey Railway and Rail Transit Exhibition

Focus on the Railway and Rail Transit Expo, and Join Forces to Promote the Development of the Rail Transit Industry—— SinoMac is Set to Appear at the 2025 Turkey Railway and Rail Transit Exhibition

Against the backdrop of the vigorous development of the rail transit industry, the 2025 Turkey Railway and Rail Transit Exhibition will open its curtains in Istanbul, Turkey from June 18 to 20. As a much – anticipated industry event, this exhibition offers a broad platform for global rail transit companies to showcase their innovative achievements and expand market opportunities, covering various aspects of the rail transit field, including railways, subways, light rails, trams, locomotives, vehicles, signaling and communication systems, and maintenance and repair equipment.

Analysis of Bus Core Systems

Analysis of Bus Core Systems

As a leading company in China’s commercial vehicle field, Dongfeng Special Automobile Bus (covering buses, school buses and new energy vehicles) occupies an important position in the global passenger transport market with its independent and controllable core technology and modular system design. This article deeply analyzes the technical logic and commercial value of the core system of buses from the four core dimensions of power system, chassis architecture, safety protection and intelligent control, combining the latest technological achievements and Duramac’s global service experience.

Analysis of Dongfeng Special Automobile School Bus Safety Technology System: Engineering Wisdom to Protect Students’ Travel in All Directions

Analysis of Dongfeng Special Automobile School Bus Safety Technology System: Engineering Wisdom to Protect Students’ Travel in All Directions

As a leader in China’s school bus safety technology, Dongfeng Special Vehicle has built a comprehensive safety system covering structural safety, active defense, emergency escape, and intelligent monitoring based on the King Kong closed-loop skeleton structure, multi-channel escape system, and intelligent active protection technology.I. Body structure safety: engineering balance between rigidity and energy absorption

Dongfeng Special Automobile Hydrogen Fuel Cell Bus Technology Breakthrough and Scenario-based Application Panoramic Analysis

Dongfeng Special Automobile Hydrogen Fuel Cell Bus Technology Breakthrough and Scenario-based Application Panoramic Analysis

Driven by the global carbon neutrality goal, hydrogen fuel cell technology is reshaping the commercial vehicle industry. Dongfeng Special Automobile Bus (covering public transportation, long-distance passenger transportation and special-purpose vehicles) is the first to realize the large-scale commercialization of hydrogen-powered buses based on its own hydrogen-electric platform and scenario-based technology adaptation.

Maintenance, repair and servicing techniques of Dongfeng Special Automobile Buses

Maintenance, repair and servicing techniques of Dongfeng Special Automobile Buses

As a global technical service partner of Dongfeng Special Automobile Buses (covering buses, school buses and new energy vehicles), Duramac deeply understands the safety responsibilities and operational continuity requirements of buses in public transportation and student transportation. Based on Dongfeng’s original technical specifications and global customer case studies, this article systematically analyzes the core technical framework of bus maintenance, repair and servicing (MRO), helping customers achieve the operational goals of reducing the failure rate by 30%+ and extending the vehicle life to 12 years.

Driving a green future: Dongfeng Special Vehicles’ pure electric bus technology innovation and scenario transformation

Driving a green future: Dongfeng Special Vehicles’ pure electric bus technology innovation and scenario transformation

As a pioneer of new energy vehicles in China, Dongfeng Motor took the lead in laying out the pure electric technology route. After more than 20 years of technology iteration, Dongfeng Special Vehicles has built a full-chain independent technology system for pure electric buses based on the group’s core breakthroughs in the field of “three electrics” (batteries, motors, and electronic controls).

Dongfeng Special Automobile: Deeply cultivating the field of special vehicles for 30 years, creating a benchmark for China’s commercial vehicle manufacturing

Dongfeng Special Automobile: Deeply cultivating the field of special vehicles for 30 years, creating a benchmark for China’s commercial vehicle manufacturing

Dongfeng Special Automobile Co., Ltd. (hereinafter referred to as “Dongfeng Special Automobile”) was founded in 1992 and is headquartered in Bailang High-tech Development Zone, Shiyan City, Hubei Province, the “China Automobile City”. It is a wholly-owned subsidiary of Dongfeng Motor Group. After 33 years of deep cultivation in the industry, the company has developed into a modern vehicle manufacturer integrating passenger cars, school buses, buses, medium and heavy trucks, special vehicles and new energy vehicles, with an annual production capacity of 15,000 large and medium-sized vehicles and an annual output value of over 1.5 billion yuan.

Green innovator of urban arteries: Dongfeng Special Automobile Bus’s technological breakthrough and scene revolution

Dongfeng Special Automobile integrates the 50-year military chassis technology of its parent company Dongfeng Group into bus research and development to build a triple safety system.
1. Structural reinforcement: Adopting the “King Kong closed ring skeleton” body design, the force-bearing structure is optimized through CAE simulation, the roll stability angle reaches 43 degrees (23% higher than the national standard), and the passenger space integrity rate is increased by 40% during collision;
2. Active protection: Standard 360° panoramic monitoring + millimeter wave radar blind spot monitoring system, real-time warning of pedestrians and obstacles, and safety response speed <0.3 seconds; 3. Emergency management: The battery pack is equipped with aerospace-grade thermal runaway suppression technology, which blocks heat spread within 10 seconds, and cooperates with the dual-channel escape system to achieve full evacuation in 30 seconds.

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