China National Heavy Duty Truck Group Co., Ltd., also known as Sinotruk, has announced that it will be adopting Weichai Power’s engines for its heavy-duty trucks. This move marks a significant milestone in the partnership between the two companies and highlights the growing demand for high-performance, reliable engines in the Chinese market.
Weichai Power is a leading Chinese manufacturer of engines and powertrain systems, with a strong reputation for quality and performance. Its engines are widely used in a variety of applications, including commercial vehicles, construction machinery, and power generation equipment.
Sinotruk, on the other hand, is a major player in the Chinese heavy-duty truck industry and is known for its high-quality trucks and reliable performance. By adopting Weichai Power’s engines, Sinotruk is expected to further enhance the performance and efficiency of its trucks, while also reducing emissions and improving fuel economy.
According to the announcement, Sinotruk HOWO initially use Weichai Power’s WP12 engines in its heavy-duty trucks, with plans to expand the range of engines in the future.
The Weichai WP12 engine is a powerful and reliable diesel engine designed for heavy-duty trucks, construction equipment, and other industrial applications. Developed by Weichai Power, one of China’s leading manufacturers of diesel engines and powertrain systems, the WP12 engine is known for its superior performance, durability, and fuel efficiency.
With a displacement of 11.6 liters, the WP12 engine is available in several power outputs ranging from 336 to 500 horsepower, making it suitable for a wide range of applications. It features a high-pressure common rail fuel system, advanced electronic control technology, and an optimized turbocharging system that helps to deliver excellent power and torque while reducing fuel consumption and emissions.
The WP12 engine is also designed with reliability and durability in mind. It features a robust engine block and cylinder head, as well as an advanced cooling system that ensures the engine operates at the optimal temperature, even in the most demanding operating conditions. It also has a long service life and is easy to maintain, thanks to its modular design and high-quality components.
The partnership between Sinotruk and Weichai Power is a clear indication of the importance of collaboration and innovation in the Chinese automotive industry. As the demand for high-performance, eco-friendly vehicles continues to grow, it is expected that more companies will follow in the footsteps of Sinotruk and adopt new technologies to meet the evolving needs of their customers.
Overall, this move by Sinotruk to adopt Weichai Power’s engines is a positive development for both companies and is likely to benefit the Chinese automotive industry as a whole. It is a clear sign of the industry’s commitment to innovation, performance, and sustainability, and we look forward to seeing the positive impact of this partnership in the years to come.

