At the beginning of 2015, Weichai officially released the 13-litre heavy-duty commercial vehicle engine WP13, bringing China heavy trucks into the "500 hp +" era. If we say that in 2015 WP13 is "Little Lotus has only exposed sharp corners", then in 2016 must be "Italy Lotus different red". At the beginning of the new year, WP13 ushered in a good start, real sales hit a new high in the first quarter.

This article will enter the Weichai WP13 development team to tell you the story of the third generation of Weichai people independently developing high-powered “Chinese core” and show the glory and mission of WP13, the dream of concocting three generations of people's hard work.

Three generations of independent "China Core" dream

Zhang Ying, former chief product officer of Weichai WP13, unveiled the new WP13 with the retired chief engineer Li Changxin at the WP13 IPO launch conference on January 7, 2015. At that time, Li Changxin was 70 years old.

According to Zhang Ying, Li Changxin worked for the WP13 project until he was 65. At the same time, they were the longest and youngest members of the core team members of the Weichai “blue-green” project more than a decade ago. The WP13, as a large-scale engine of Weichai’s autonomous high-power engine, was unveiled by two people. WP13's expectations.

Li Changxin is an early domestic internal-combustion engine engineer. He not only knows the history of the heavy-duty truck industry in China, but also understands the generation of engineers' desire for autonomous high-power engines. In the 1980s, with the successful introduction of Steyr technology, China had a real heavy truck. Weichai also entered the heavy-duty power field and became an expert company in this field. However, Weichai is not satisfied with this, and the dream of independently developing the world's most advanced high-speed and high-power engines has never stopped.

Hard work pays off. In 2005, China's first high-speed, high-powered engine with complete independent intellectual property rights, Weichai Blue Engine was launched. The Lanqing project not only allowed older engineers such as Li Changxin to access the world’s most advanced engine technology, but also enabled the younger generation such as Zhang Ying to grow rapidly. It is the technical accumulation of these two generations that laid the foundation for the shock of the WP13.

WP13 project manager Wang Jinfeng still vividly remembers what his master Li Changxin said to him when he retired: "Xiao Wang, I will take over the WP13 project after I retire. You have always been involved in development, and you are most familiar with the structure. I am very relieved. WP13 will certainly become a very competitive product in the future." Along the master's footprint, Wang Jinfeng and his colleagues participated in and witnessed the whole process of WP13 from prototype, trial to market.

Time flies, Wang Jinfeng also has his own apprentice, Ning Dawei is one of them. In 2014, Ning Dawei University graduated and entered Weichai, followed by the master to engage in the optimization and development of WP13. He said that although WP13's current market feedback is good, there is no end to development. As a general driving force in the field, WP13 will serve different market segments, and fully meet the individual needs of different customers. It is the action guide and value of the development work for them.

More than 3 million sets of "most mature new products"

As a new product, WP13 has such excellent performance in the market introduction period and has to be praised. However, in view of the engineers who are most familiar with WP13, it is reasonable to be able to achieve such a result. Because WP13 has more than 3 million sets of experience in the same platform products, it is the most mature 13-liter commercial vehicle power in China. Compared with competing products, WP13 is superior in terms of maturity, reliability, and advanced features.

WP13 and mature WP12 co-production, fully share the WP12 international excellent supplier resource system, parts quality is guaranteed, and the whole interface is exactly the same as the WP12 engine, completely solves the difficult problem of matching, and can save users new product support Bring improved design costs.

As a direct participant in the project, Wang Jinfeng interprets the excellent performance they have given WP13:

High reliability , strong environmental adaptability, frame-type body and dry cylinder liner, can withstand higher load impact, B10 life up to 1.5 million kilometers; in addition to water filter set heating, water removal, air automatic emptying function In one, more stable than single-component system; no auxiliary measures can be started directly at -15 °C, using warm-up can be smoothly started at -40 °C, the vehicle in a very cold environment, good performance; altitude 4700 meters high altitude area Loss of power, vehicle adaptation to the plateau has a more competitive advantage.

Strong power, the power range covers 480HP-605HP, the maximum torque of 2500N m, to achieve the world's highest level of engine power with the same displacement, to meet the power needs of all future heavy trucks. The maximum torque speed extends to 1000r/min, the torque reserve is large, and the climbing ability is strong. It is the perfect power for the domestic truck market.

Good economical , four-valve configuration, low pump power loss, optimized powertrain matching, low speed ratio rear axle, intelligent accessory application, intelligent fuel saving system, and other unique designs ensure excellent fuel economy of the WP13 with minimum fuel consumption 183g/kWh.

Low noise , single cylinder head and cylinder head cover, dry cylinder liner, low-noise structure body, helical gear design, rear gear chamber, greatly reducing mechanical noise, conducted in Weichai's largest domestic anechoic laboratory Tens of thousands of hours of verification, low noise, more comfortable driving experience.

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Listening to Wang Jinfeng's professional interpretation, we seem to have seen the future mission and glory of WP13: to lead the development trend of China's heavy-duty truck power and give China's heavy trucks the most reliable “China Core”.

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