Dongfeng dCi11 engine has the lowest specific fuel consumption and is the best in its class

Dongfeng Tianlong and Dongfeng Hercules were listed on the market for a year. Their high quality, high reliability and fuel economy have been favored by the market and users. The sales volume has steadily increased. In 2007, the monthly sales volume exceeded 1,000 units and 2000 respectively. The number of vehicles and 3,000 vehicles set a new record for sales of domestic heavy trucks. Its matched dCi11 high-horsepower engine comes from Dongfeng Commercial Vehicle Engine Factory.

Dongfeng Commercial Vehicle Engine Factory is currently the only domestic manufacturer of a full range of automotive engines that covers gasoline, diesel, and natural gas, with displacements ranging from 2 to 11 liters. Since the joint venture, the plant has seized the opportunity to take advantage of the situation and accelerated the development of the Dongfeng Commercial Vehicle's strategic power model representing the advanced international level of the dCi11 high-powered engine project. It is a new generation of Dongfeng commercial vehicles represented by Dongfeng Tianlong. The main driving force. The project took only 22 months from start of construction to production, creating a miracle in the construction of the new Dongfeng plant.

The dCi11 engine is an inline six-cylinder, four-stroke, supercharged intercooled diesel engine introduced by Dongfeng from Renault. It uses EECU electronically controlled injection system and common rail direct injection technology. It has a displacement of 11.1 liters and a power of 270 to 420 hp. Emissions up to Europe III level, with the potential of Euro IV, representing the advanced level of the international high-power engine.

For such an internationally advanced product, how can Dongfeng Commercial Vehicle Company's engine plant ensure its quality and engineering quality? The plant put forward the construction concept of “a planning, step-by-step implementation, rolling development, lean design, and lean investment” and built four agile and flexible production lines for cylinders, cylinder heads, crankshafts, and camshafts, and traceable management assembly and testing positions.

During the construction of the project, the engine plant has sent a total of 53 engineering technicians and management personnel to Renault Truck Corporation and Nissan Motor Co., Ltd. to train products, manufacturing technology, production and logistics management.

The dCi11 engine project has completed an investment of about 350 million yuan and has an annual capacity of 10,000 engines. At present, it has basically completed the first-phase construction goal. According to the development of the market, the engine plant will start the construction of the second phase of 50,000 units in a timely manner and roll forward.

On May 18, 2006, the dCi11 engine was officially launched on the market. Just three months after the listing, we encountered a challenge - the first China International Truck Fuel Contest. For this game, the engine factory didn't shun because the dCi11 engine was put on the market for a short time. Instead, it used it as a good opportunity to test the quality and reliability of its own products. After fierce competition, Dongfeng Tianlong heavy truck matching dCill engine won the "most fuel-efficient engine award." Dongfeng's dCill engine is capable of making a fortune. It is due to its design philosophy and excellent quality that "combines global technology, considers user needs in a comprehensive manner, and fully protects customer benefits." In this alone battle, the dCill engine became a veritable "fuel champion".

At the 1st China International Trucking Fuel Contest Awards ceremony, Dai Dingyi, Vice President of the China Federation of Logistics and Purchasing, said in the awards speech: “No better than I don’t know, I was shocked, in the fierce competition, Dongfeng. Tianlong fuel economy has a great advantage.” Song Jian, executive deputy director of the Institute of Automotive Engineering Development at Tsinghua University, said in the prize presentation: “From start to acceleration, Dongfeng Tianlong has the shortest time.”

According to Dongfeng Commercial Vehicle's engine plant technicians, dCill engine is developed by Dongfeng on the basis of digestion and absorption of Renault technology. It is specially developed for the Chinese market and customers. Its minimum specific fuel consumption is less than 190 g/kWh, which has set a domestic record. It has high reliability, can achieve 800,000 km without major repairs, organize multiple injections, reduce combustion noise, give the driver a quiet environment. It has good low temperature starting performance and can start at -40°C. The fully electronically controlled dCill engine, while providing optimum performance and best fuel efficiency, is more convenient for drivers and maintenance personnel to gather engine operation and vehicle travel information.

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