Engine Manufacturing

Guangxi Yuchai Machinery Company Limited ("GYMCL") is one of the largest engine manufacturers in China. GYMCL engages in the manufacture, assembly, and sale of a wide variety of light-, medium- and heavy-duty engines for trucks, buses, passenger vehicles, construction equipment, marine and agriculture applications in China. GYMCL also produces diesel power generators. The engines produced by GYMCL range from diesel to natural gas and hybrid engines. GYMCL has a strong reputation among vehicle manufacturers and customers for the performance and reliability of its products as well as its after-sales customer service.


GYMCL’s products range from 1.2L to 80L over 10 engine platforms with a power range from 60PS to 2400PS. In its current portfolio, the number of engine series offerings is 28 and GYMCL is intending to further expand its reach in the passenger car, marine and power generator markets. While GYMCL produces diesel engines compliant with National IV and V emission standards, it has the ability to produce certain diesel and natural gas engines compliant with National VI emission standards, as well as develop alternative fuels and environmentally friendly hybrid engines with improved fuel efficiency. GYMCL also has the ability to produce diesel engines compliant with Tier 3 emission standards* for use in off-road machinery.

GYMCL distributes most of its engines directly to auto plants and agents from its primary manufacturing facilities in Yulin City. In addition, it operates a number of regional sales offices in major geographic regions throughout China. With over 2,700 service centres across China and a sales force of over 900 persons, GYMCL provides a comprehensive range of services to its customers, including dispatching engineers to provide on-site assistance to major customers in the resolution of technical problems.

Research & Development

GYMCL has committed substantial resources to continually improve the technology of its products and maintain the competitiveness of its products. GYMCL's internal development effort focuses primarily on designing new products, improving manufacturing processes and adapting foreign technology to the Chinese market. GYMCL has committed to continually improve the technology of its products by acquiring advanced technology from Chinese research institutes, foreign engine design consulting firms and foreign diesel engine and engine parts manufacturers.


In 2013, GYMCL's research and development efforts was focused on the development of a complete suite of gas engines for both on- and off-road applications, and development of products compliant with Tier 3 emission standards* for construction and industrial applications.

Quality Assurance, Control and Safety

All raw materials, external supplied parts and components are checked for conformity with the required quality and specifications. Each stage of the production process is monitored by a quality control procedure and the final product undergoes standard conformity and specification testing using an automated testing laboratory. To promote the safety of its workers, GYMCL has established a safety department to supervise the proper use of equipment prevents fire and explosions and promote safe practices and procedures in the workplace.