On December 20th, Weichai Group celebrated a milestone by achieving sales revenue exceeding 40 billion yuan. Alongside this success, the company unveiled a new product at its exhibition: the "Blue Engine Powertrain System." This system was the centerpiece of the event, drawing the attention of visitors who gathered to admire its advanced design and engineering.
The powertrain features a 11.6-liter WP12.375N turbocharged, intercooled, electronically controlled high-pressure common rail diesel engine from Weichai Power. It delivers a rated power of 276 kW (1900 rpm) and a maximum torque of 1800 Nm between 1000-1400 rpm. With a fuel consumption rate of less than 185 g/kWh, it meets national III and European emission standards. The system also includes a Fast 12JS180T transmission with a gear ratio range of 15.53 to 1.0, and a Hande MAN single-speed reduction axle rated for 13 tons with a gear ratio of 3.7.
Weichai Power technicians explained that this system is the result of integrating technical resources from Weichai’s European R&D centers and AVL, as well as leveraging expertise from both domestic and international industry leaders. A team of top engineers from Weichai Power, Fast, and Hande spent six months and over 20 million yuan to develop this powertrain. Wei Dehui, Deputy General Manager of Weichai Power and Director of the Technical Center, emphasized that the system has passed rigorous testing and demonstrated excellent performance in dynamics, economy, and reliability, making it one of the best power solutions in China's automotive industry.
This system is not only the first of its kind in China but also leads globally in terms of technology and quality. The blue-engine 3N series 1900 rpm engine achieves four key technological breakthroughs: efficiency, power, reliability, and environmental protection. The engine avoids high fuel consumption areas, improves power performance through optimized transmission and axle ratios, and reduces fuel consumption. It also boosts torque across low and mid-speed ranges, improving acceleration and overall performance. The engine’s rated speed is reduced to 1900 rpm, enhancing mechanical efficiency and reliability, with an overhaul interval exceeding 1.2 million kilometers. Additionally, it reduces noise by 1 dB and significantly improves emissions compared to a 2200 rpm engine.
Li Dakai, CEO of Weichai Power and Chairman of Fast Group, highlighted the collaboration among various teams during the project. He mentioned that extensive work was done on gear ratios, layout, geometry, and even noise control. When asked about the significance of such cooperation, Li expressed his enthusiasm, stating that sharing resources within the group allows for more efficient development. Unlike traditional suppliers, Weichai operates as a strategic alliance, combining product and capital cooperation to achieve better results while saving time and costs.
Tan Xuguang, Chairman of Weichai Holding Group, noted that the introduction of the Blue Engine Powertrain system marks a significant transformation in Weichai’s product structure. No longer just a diesel engine manufacturer, Weichai has evolved into a diversified commercial vehicle enterprise with a complete powertrain and extended industrial chain. This expansion has brought greater benefits to the company while meeting customer needs more effectively.
This innovation reflects Weichai’s commitment to growth, technological advancement, and industry leadership.
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