On October 10, a WD12 engine with the words "10,000th WD12 engine" was slowly removed from the assembly line of the No. 1 plant in the Weichai New Power Plant and immediately loaded onto the vehicle plant. This is a memorable day. The WD12 engine was officially offline at the 60th anniversary of the establishment of Weichai on October 20 last year. In less than 10 months, Weichai Power produced and sold 10,000 WD12 engines, indicating that the dominant driving force of China's heavy vehicles is accelerating. Upgrade from 10 liters to 12 liters.
"No car without WD12 engine"
Wang Xiangfu, a customer in the Hejin area of ​​Shanxi, believes that heavy trucks equipped with the Weichai WD12 engine are the first choice for cars. It has high reliability, low failure rate and powerful power. "Without the WD12 engine, I wouldn't mention the car." He asked the main engine plant to fit the WD12 engine, otherwise he wouldn't mention the car.
A year ago, many people on the market did not know what the WD12 engine was. After a year, sales exceeded 10,000 units, and only 1,500 units were sold in Shanxi Province. The person of Weichai Marketing Corporation told the reporter that major automakers are in urgent need of this heavy-duty engine and can produce and sell 15,000 units this year, an increase of nearly 7 times year-on-year. It is expected that the number of orders next year will exceed 30,000 units, and in 2009 it will reach a scale of 50,000 units. The market has given high recognition to the outstanding performance and outstanding performance of the WD12 engine. The WD12 engine broke the monopoly situation of foreign brands with more than 12 liters of domestic displacement engines, and promoted the accelerated upgrading of Chinese heavy vehicles.
The performance of the WD12 engine in the market over the past year further confirms the market adaptability of this product. Large-scale trucks, tractors, and dump truck manufacturers all use the WD12 engine as their first choice.
Mature large-displacement commercial vehicle engine
As the flagship product of the 220kW series in 2007, the characteristics of the Weichai Power WD12 engine are very clear. It is a brand-new product on the higher level and high-power engine platform after Weichai Power has crossed the Steyr platform, and is a mature product of domestic 12-liter engine. This new-generation 12-liter commercial vehicle engine covers 247 kW to 353 kW. It has passed the limit tests such as the plateau, high temperature, and high cold. After more than 50,000 hours of rig tests, 86 vehicle road tests, and up to 5 years of road test. , is a super power tailored specifically for China's heavy trucks. The WD12 engine has a maximum power of 353kW and is the largest commercial vehicle engine in the country.
It is a new-generation diesel engine developed by Weichai Power Europe R&D Center with world advanced technology and new design concept. Its main economic indicators have reached the world's leading level. Compared with the existing domestic power engines of the same kind in the country, the WD12 engine has four characteristics: more fuel economy, more reliability, more robustness, and more safety.
WD12 engine adopts specially designed P12 high-pressure oil pump with pump pressure as high as 1400Pa. With the increase of intake air volume, the effect of diesel injection atomization is greatly improved, combustion is more complete, and the fuel consumption of the entire vehicle can be effectively reduced by 10% to 15%. Calculating 100,000 kilometers per year, an engine can be saved in 3 years and the benefits are considerable.
The WD12 engine has an output torque of more than 1,300 N·m at 1,000 rpm and a maximum engine torque of 1950 N·m. The WD12 engine has a wide range of high torque characteristics. The vehicle has good acceleration performance, high load carrying capacity, and particularly high efficiency.
The WD12 engine has an inherent advantage over the 9-11-liter engine. The WD12 engine has undergone many years of market inspections and has a lower failure rate and higher reliability.
The WD12 engine adopts Weichai Power and WEVB exhaust brake technology that was introduced simultaneously in the world. The braking power of the engine is 2000~2500 rpm and the braking power is 160~230kW, which improves the brake efficiency of the vehicle by more than 50% and effectively reduces the brake. The number of times increases the braking safety factor, prolongs the life of the braking system, and increases driving comfort.
Heavy-duty vehicles accelerate to high-power development
Experts pointed out that the acceleration of domestic road construction and macroeconomic development will promote the continuous increase in the demand for heavy-duty, high-power heavy trucks and construction machinery. Therefore, large-displacement, high-power engines will become the mainstream of the domestic market for a long time to come. Previously, due to technical constraints in the country, the development of large-displacement, high-power engines has been left blank. At present, many domestic special-purpose vehicles require large-displacement, high-power engines. At the same time, most of the heavy commercial vehicles used by some domestic professional transportation companies are equipped with high-power engines.
Relevant experts believe that China's heavy truck power is continuing the trajectory of Europe and the United States and accelerates the development of high power.
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