10 Leading yanmar crankshaft Factory in China

Dec 15, 2025Leave a message

Introduction to YANMAR Crankshaft

YANMAR is a well - known Japanese company that has made significant contributions to the global engine manufacturing industry. Its engines are widely used in various fields such as marine vessels, construction machinery, and agricultural equipment. The crankshaft is a crucial component of an engine, converting the linear motion of the pistons into rotational motion. A high - quality YANMAR crankshaft ensures the smooth operation, high efficiency, and long - term reliability of YANMAR engines. In China, there are several factories that have mastered the technology to produce top - notch YANMAR crankshafts, meeting both domestic and international market demands.


1. Zhejiang Weilin Mechanical Co., Ltd.

Company Introduction

Zhejiang Weilin Mechanical Co., Ltd. is a leading player in the field of crankshaft manufacturing. Located in the heart of China's manufacturing hub, the company has a state - of - the - art production facility equipped with advanced machinery and technology. It has a team of highly skilled engineers and technicians who are dedicated to research and development, production, and quality control. The company adheres to strict international quality standards and has obtained a series of certifications, which reflects its commitment to providing high - quality products.


YANMAR Crankshaft Features and Company Advantages

  • Precision Manufacturing: The company uses advanced machining processes to ensure the dimensional accuracy of YANMAR crankshafts. This precision is crucial for the proper functioning of the engine, reducing vibration and wear, and improving overall engine performance.
  • Material Selection: They carefully select high - quality materials for YANMAR crankshaft production. These materials have excellent mechanical properties, such as high strength and toughness, which can withstand the high - stress environment in the engine.
  • Quality Control: A comprehensive quality control system is in place throughout the production process. From raw material inspection to the final product testing, every step is strictly monitored to ensure that the crankshafts meet or exceed YANMAR's specifications.
  • Customization Ability: Zhejiang Weilin Mechanical Co., Ltd. has the ability to customize YANMAR crankshafts according to customers' specific requirements. This flexibility allows them to serve a wide range of customers in different industries.
  • Website: For more information, you can visit their official website at https://www.dct-crankshaft.com/.


2. Jiangsu Fengdong Heat Treatment Co., Ltd.

Company Introduction

Jiangsu Fengdong Heat Treatment Co., Ltd. is a specialized heat - treatment enterprise. Although it is not a direct crankshaft manufacturer, its heat - treatment services play a vital role in the production of YANMAR crankshafts. The company has been in the heat - treatment industry for many years and has accumulated rich experience and advanced technology. It has a large - scale heat - treatment production line that can handle various types of workpieces, including crankshafts.


YANMAR Crankshaft Features and Company Advantages

  • Advanced Heat - Treatment Technology: The company uses advanced heat - treatment processes such as quenching, tempering, and nitriding. These processes can significantly improve the hardness, wear resistance, and fatigue strength of the YANMAR crankshafts, extending their service life.
  • Customized Heat - Treatment Solutions: They can provide customized heat - treatment solutions according to the different materials and performance requirements of YANMAR crankshafts. This ensures that the crankshafts meet the specific needs of different engines.
  • Quality Assurance: With a strict quality management system, the heat - treated YANMAR crankshafts undergo multiple inspections to ensure that they meet the required quality standards. The company has also established long - term cooperation with many crankshaft manufacturers, which is a testament to its reliable quality.
  • Environmental - Friendly Production: Jiangsu Fengdong Heat Treatment Co., Ltd. pays attention to environmental protection in its production process. It uses energy - saving and emission - reducing equipment and technologies, which not only meets the requirements of environmental regulations but also reduces production costs.


3. Shandong Binzhou Bohai Crankshaft Co., Ltd.

Company Introduction

Shandong Binzhou Bohai Crankshaft Co., Ltd. is a large - scale professional crankshaft manufacturing enterprise in China. It has a long history of crankshaft production and has become a well - known brand in the industry. The company covers a large area and has a complete set of production equipment, from forging to machining and surface treatment. It has a strong R & D team that continuously innovates and improves the production process.


YANMAR Crankshaft Features and Company Advantages

  • Large - Scale Production Capacity: The company has a high - volume production capacity, which can meet the large - scale demand for YANMAR crankshafts. This is beneficial for customers who need a large number of crankshafts in a short period.
  • Strong R & D Capability: The R & D team is constantly researching new materials and technologies to improve the performance of YANMAR crankshafts. For example, they have developed new forging processes to enhance the internal structure of the crankshafts, making them stronger and more reliable.
  • Excellent After - Sales Service: Shandong Binzhou Bohai Crankshaft Co., Ltd. provides comprehensive after - sales service. They offer technical support, product replacement, and maintenance guidance to customers, ensuring that customers can use the YANMAR crankshafts with peace of mind.
  • Industry Reputation: The company has a good reputation in the industry. Its products are not only sold in China but also exported to many countries and regions around the world, which reflects the high quality and competitiveness of its YANMAR crankshafts.


4. Anhui Jianghuai Automobile Group Co., Ltd. (Crankshaft Division)

Company Introduction

Anhui Jianghuai Automobile Group Co., Ltd., also known as JAC, is a well - known automobile manufacturer in China. Its crankshaft division has rich experience in crankshaft production. The division is integrated with the overall R & D and production system of JAC, which allows it to take advantage of the group's resources in terms of technology, talent, and market.


YANMAR Crankshaft Features and Company Advantages

  • Automotive - Oriented Technology: Since JAC is an automobile manufacturer, its crankshaft division has in - depth knowledge of the automotive engine requirements. This knowledge is applied to the production of YANMAR crankshafts for automotive applications, ensuring that the crankshafts are well - adapted to the engine's operating conditions.
  • Quality Control in Mass Production: The division has a mature quality control system for mass - production. It can ensure the consistency and stability of YANMAR crankshafts during large - scale production, which is crucial for the mass - production of engines.
  • Integration with Group Resources: The crankshaft division can share resources with other departments in the JAC group, such as the R & D department for new engine technologies. This integration promotes continuous improvement in the design and production of YANMAR crankshafts.
  • Market - Oriented Innovation: JAC is sensitive to market changes. The crankshaft division can quickly respond to market demands and develop new types of YANMAR crankshafts with improved performance and features, meeting the evolving needs of customers.


5. Shanghai Electric Power Generation Equipment Co., Ltd. (Crankshaft Workshop)

Company Introduction

Shanghai Electric Power Generation Equipment Co., Ltd. is a leading enterprise in the power generation equipment manufacturing industry in China. Its crankshaft workshop is specialized in the production of high - quality crankshafts for large - scale power generation engines, including those compatible with YANMAR - based power systems. The workshop has advanced manufacturing equipment and a high - level technical team.


YANMAR Crankshaft Features and Company Advantages

  • High - Power Application Adaptability: The crankshafts produced by the workshop are designed to withstand high - power and high - load operating conditions. This makes them suitable for YANMAR engines used in large - scale power generation equipment, ensuring stable power output.
  • Advanced Manufacturing Technology: The workshop uses advanced forging, machining, and heat - treatment technologies. These technologies are combined to produce YANMAR crankshafts with excellent mechanical properties and surface quality, reducing the risk of fatigue failure.
  • Long - Term Service Experience: With a long history of serving the power generation industry, the workshop has accumulated rich experience in dealing with various engine operating environments. This experience is transferred to the production of YANMAR crankshafts, improving their reliability and durability.
  • Research and Development for High - Efficiency: The company is committed to research and development for high - efficiency power generation. The crankshaft workshop participates in these R & D projects, and the results are applied to the YANMAR crankshafts, improving the overall efficiency of the engines.


6. Dalian Diesel Engine Works Co., Ltd. (Crankshaft Department)

Company Introduction

Dalian Diesel Engine Works Co., Ltd. has a long - standing reputation in the diesel engine manufacturing field. Its crankshaft department is responsible for the production of high - quality crankshafts for its own diesel engines as well as for external customers, including those for YANMAR - compatible engines. The department has a complete set of production processes, from raw material processing to the final assembly.


YANMAR Crankshaft Features and Company Advantages

  • Diesel - Engine - Specific Design: Since the company is mainly focused on diesel engines, the crankshaft department has a deep understanding of the requirements of diesel - engine crankshafts. This knowledge is applied to the design and production of YANMAR crankshafts, ensuring optimal performance in diesel - engine applications.
  • Quality - Oriented Production: The department adheres to strict quality control measures. Every YANMAR crankshaft is inspected at multiple stages of production to ensure that it meets the high - quality standards required for diesel engines.
  • Cost - Effective Production: Through years of experience and process optimization, the department has achieved cost - effective production of YANMAR crankshafts. This allows them to offer competitive prices without sacrificing quality.
  • Technical Support for Engine Integration: Dalian Diesel Engine Works Co., Ltd. can provide technical support for the integration of YANMAR crankshafts into engines. This service helps customers to install and use the crankshafts more effectively.


7. Guangxi Yuchai Machinery Co., Ltd. (Crankshaft Manufacturing Center)

Company Introduction

Guangxi Yuchai Machinery Co., Ltd. is a well - known engine manufacturer in China. Its crankshaft manufacturing center is equipped with advanced production equipment and a professional R & D team. The center is closely integrated with the overall engine production process of Yuchai, which ensures the quality and performance of the crankshafts.


YANMAR Crankshaft Features and Company Advantages

  • Engine - Matching Compatibility: The crankshafts produced by the center are designed to be highly compatible with YANMAR engines. They are carefully engineered to match the engine's power, torque, and other performance parameters, ensuring smooth operation and optimal engine performance.
  • Continuous Innovation in Manufacturing: The R & D team in the center is constantly innovating in manufacturing processes. For example, they are exploring new machining technologies to improve the surface finish of YANMAR crankshafts, which can reduce friction and improve fuel efficiency.
  • Quality Management System: Yuchai has a strict quality management system that covers all aspects of the crankshaft production process. This system ensures that every YANMAR crankshaft leaving the factory meets the highest quality standards.
  • Global Market Reach: As an international - oriented company, Yuchai's crankshafts, including those for YANMAR engines, have a wide market reach. This global presence allows them to better understand and meet the diverse needs of customers around the world.


8. Wuxi Diesel Engine Works, FAW Group Corporation

Company Introduction

Wuxi Diesel Engine Works, a part of the FAW Group Corporation, is one of the most important diesel - engine manufacturing bases in China. The works has a long - established crankshaft production line with advanced technology and a high - level workforce. It has a strong R & D and production capacity, which enables it to produce high - quality YANMAR - compatible crankshafts.


YANMAR Crankshaft Features and Company Advantages

  • Group - Supported Resources: Being part of the FAW Group, the works can access a wealth of resources, including advanced R & D facilities, high - quality raw materials, and a large - scale production platform. These resources are used to ensure the high - quality production of YANMAR crankshafts.
  • Advanced Production Process: The works uses an advanced production process that combines forging, machining, and heat - treatment. This process is optimized to produce YANMAR crankshafts with high precision and excellent mechanical properties.
  • Quality Assurance from a Reputable Brand: The FAW brand is well - known for its high - quality products. The Wuxi Diesel Engine Works adheres to the same high - standard quality control system, which gives customers confidence in the quality of the YANMAR crankshafts.
  • After - Sales Support Network: The works has a wide - spread after - sales support network. This network can provide timely maintenance and technical support for customers using YANMAR crankshafts, ensuring the long - term reliable operation of the engines.


9. Chongqing Cummins Engine Co., Ltd. (Crankshaft Production Unit)

Company Introduction

Chongqing Cummins Engine Co., Ltd. is a joint - venture company with advanced engine - manufacturing technology. Its crankshaft production unit is responsible for the production of high - performance crankshafts for its engines as well as for external customers, including those for YANMAR engines. The unit has a modern production facility and a team of experienced engineers.


YANMAR Crankshaft Features and Company Advantages

  • Joint - Venture Technology Advantage: The joint - venture nature of the company allows the crankshaft production unit to access advanced foreign technology. This technology is applied to the production of YANMAR crankshafts, improving their performance and quality.
  • High - Performance Design: The crankshafts are designed for high - performance engines. They are optimized to withstand high - speed and high - load operating conditions, which is suitable for YANMAR engines used in demanding applications.
  • Quality Control in International Standards: The unit follows international quality control standards in the production of YANMAR crankshafts. This ensures that the products can meet the requirements of both domestic and international markets.
  • Research and Development for Innovation: The company invests in research and development to continuously improve the design and production of crankshafts. New materials and manufacturing processes are constantly being explored to enhance the performance of YANMAR crankshafts.


10. Sinotruk (Weifang) Power Co., Ltd. (Crankshaft Department)

Company Introduction

Sinotruk (Weifang) Power Co., Ltd. is a well - known power - equipment manufacturer in China. Its crankshaft department has rich experience in producing crankshafts for heavy - duty engines. The department has a large - scale production base and advanced production equipment, which can meet the large - scale production needs of YANMAR crankshafts.


YANMAR Crankshaft Features and Company Advantages

  • Heavy - Duty Application Suitability: The crankshafts produced by the department are designed to be suitable for heavy - duty applications. This makes them ideal for YANMAR engines used in large - scale construction machinery and heavy - duty vehicles, providing strong and reliable power output.
  • Efficient Production Process: The department has an efficient production process that combines advanced automation technology and skilled labor. This process can ensure high - quality and high - efficiency production of YANMAR crankshafts.
  • Custom - Built for Customer Needs: They have the ability to customize YANMAR crankshafts according to the specific needs of different customers. Whether it is for a special - purpose engine or a unique operating environment, the department can provide tailored solutions.
  • Cost - Efficiency and Quality Balance: Sinotruk (Weifang) Power Co., Ltd. can achieve a good balance between cost - efficiency and quality. They can offer high - quality YANMAR crankshafts at a reasonable price, which is very attractive to customers.


Conclusion

China has a number of leading factories in the production of YANMAR crankshafts. These factories, with their unique advantages in technology, production capacity, quality control, and after - sales service, play a crucial role in meeting the global demand for high - quality YANMAR crankshafts. Whether it is the precision manufacturing of Zhejiang Weilin Mechanical Co., Ltd., the advanced heat - treatment technology of Jiangsu Fengdong Heat Treatment Co., Ltd., or the large - scale production capacity of Shandong Binzhou Bohai Crankshaft Co., Ltd., each factory contributes to the development of the YANMAR crankshaft industry. As the demand for high - performance engines continues to grow, these factories will continue to innovate and improve, further consolidating China's position in the global YANMAR crankshaft market.