About Yuchai

To be the Global Leader for Professional Power Systems

Guangxi Yuchai Machinery Co., Ltd.


Founded in 1951, Guangxi Yuchai Machinery Co., Ltd. (Yuchai for short) is the first Chinese-foreign joint venture in the domestic industry listed abroad and the president unit of China Internal Combustion Engine Industry Association (CICEIA). Our products are exported to more than 180 countries and regions in Asia, Europe, America and Africa. Headquartered in Yulin, Guangxi Zhuang Autonomous Region, we have 11 subsidiaries and distribute our production bases in such areas as Guangxi, Jiangsu, Anhui and Shandong, and have also established joint R&D centers and marketing branches overseas. We have an annual sales revenue exceeding CNY 20 billion and an annual engine output of 600,000 sets.


With the mission of "realizing customer value and driving better lives", Yuchai is committed to meeting the public demand for power by excellence and leadership and continuously increasing the value of products. We have designed a product line focusing on horizontal layout and development in depth and breadth, and established a product family featuring broad areas of application and balanced development between conventional and clean-energy engines. With a power ranging from 15 kW to 4,200 kW, our products cover 14 major platforms, 49 series and more than 2,000 categories, including diesel engines, gas engines, fuel cells, hybrid power system, pure electric system, engine range extenders and electric drive axle. They have become the first choice for trucks, buses, engineering machinery, agricultural machinery, marine machinery, power generation machinery, special vehicles and pickup trucks in China by virtue of their high power, high torque, high reliability, low fuel consumption, low noise, low emission and high adaptability as well as specialized segmentation, providing a strong impetus to the economic development of both China and the World.

Adherence to independent innovation

Yuchai adheres to independent innovation and stands constantly to meet new challenges in power technology by virtue of unique technological innovation system. In the field of engine research, we have always seized the commanding heights and launched the first engines that comply with China I~VI emission standards ahead of counterparts, leading the green revolution in the engine industry.


  • 5300
    We own more than 5,300 authorized patents and have stayed the first place in this regard for 14 consecutive years. 10 of our inventions have been granted with the PCT international patent license.
  • 80
    We have undertaken more than ten projects under the "National High-tech R&D Program" (863 Program) and other national-level R&D projects, and led and participated in the formulation and revision of more than 80 international, national, and industry standards regarding internal combustion engines
  • 6
    Six achievements including the "Key Technology of Energy-saving and Environment-friendly Diesel Engines and Commercialization" have won the national science and technology award.

Yuchai has set up three R&D bases in Yulin, Nanning and Europe, and owns a national enterprise technology center, a national engineering laboratory for internal combustion engines, a state-accredited laboratory, a post-doctoral research center and an academician & expert research center. We have established joint development centers as international frontier research bases in cooperation with more than 40 domestic and foreign scientific research institutions. In 2019, Yuchai ranked first in the industry and 5th throughout the country among the national enterprise technology centers.


We have an advanced intelligent factory based on Industry 4.0, and have built Yuchai Rapid Manufacturing Base, a state key laboratory for advanced forming technology and equipment. Our patternless rapid prototyping technology and many other technological achievements have reached the international advanced level, and our project "digital casting workshop for medium and large-sized engine cylinder blocks" was selected as part of the 2015 national intelligent manufacturing program. In China VI phase, we have invested more than CNY 3 billion in fully upgrading the production line to improve the production efficiency and the product quality. In the manufacturing process, we follow the quality philosophy of "zero defects and zero tolerance", and carry out life-cycle reliability management to ensure stable and reliable quality of our products, and have therefore been nominated for China Quality Award for two consecutive years.


"Forging brand by professionalism, creating value by quality service", Yuchai has established a marketing management system integrating product sales, application development, after-sales service and spare parts sales. With a leading independent spare parts service network in the domestic industry and a perfect service network in the world, we have established 19 vehicle engine regions, 12 general-purpose engine regions, 11 marine & G-drive engine regions, 29 after-market offices, more than 3,000 service stations, and more than 5,000 spare parts sales outlets in China to provide customers with "fast and sincere" services. With 16 offices, 228 service agents and 846 service outlets in Asia, America, Africa and Europe, we are able to provide international warranty service. Relying on marketing, technology marketing and service innovation, we provide "quick and sincere" services for users at home and abroad, and continuously create greater value for our customers.


In the future, Yuchai will focus on building Quality Yuchai, Technical Yuchai and International Yuchai according to the 2025 Strategic Planning. To be specific, our five-year plan is to surpass our domestic counterparts and strive to become the leader in China's internal combustion engine industry, and our ten-year plan is to become a world-renowned engine manufacturer and realize our vision of "being the global leader for professional power systems".