At present, the Lanqing Power WP5 and WP7 engine for excavators developed by Shandong Heavy Industry Weichai Group has been successfully developed. After rigorous testing and testing, it will be officially put into the domestic market in the near future. This will help to change the foreign engine. China's excavator supporting market monopoly situation.
According to Zhu Qing, general manager of Weichai Power Engineering Machinery Sales Co., Ltd., Weichai Group launched the research and development of WP5 and WP7 engines at the end of 2005 and cooperated with internationally renowned companies. At the end of 2008, the prototypes were introduced, and the total experimental time has reached more than 30,000. Hours, the total vehicle experiment totaled 1.2 million kilometers, much higher than European standards.
According to reports, these two engines have the advantages of high reliability, low fuel consumption, light weight, and low noise. The product adopts a high-intensity integrated cylinder block and a high-strength crankshaft. The gantry reliability and endurance tests have been accumulated for more than 8,000 hours, and the entire diesel engine has an overall operating life of over 2 million kilometers. With the new generation of Bosch high-pressure common-rail pumps, the oil consumption creates the same row. The new model has a new model with a rated point of 290 g/kWh and a combined fuel consumption of 206 g/kWh. With a rear-mounted gear system, the total mass of the machine is only 620 kg, which is the lightest model for domestic emissions. The lab noise is 95db.
In addition, during the research and development stage of WP5 and WP7, Weichai Group has made certain improvements in the use conditions of excavators, and has conducted adaptive development in light of the fact that China's oil products are not high, the territory is vast, and operating conditions are greatly different. The engine was individually designed according to different environments.
Weichai Group is China's largest auto parts enterprise group. Its engine's supporting rate for domestic loaders is as high as 80%, and the matching rate of cranes also reaches 40%. Among them, the WD10 loader engine has been the first of its kind in the global loader.
With the successful development of WP5 and WP7 excavator engines, Weichai Power has the ability to cover a full range of engines ranging from small excavators to large and medium excavators. At present, China has become the world's largest consumer market for excavators and the manufacturing center for excavators in the world. However, foreign brands accounted for the main market, and internationally renowned excavator brands have entered the Chinese market in full, and their market share once exceeded 90%.
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