A product can be sold in the market for 10 years, it can not be described as "classic." Yuchai YC6L is such a classic engine. However, Yuchai YC6L not only stands in the industry with a classic attitude, but in recent years, it has been advancing with the times by “ lightweight ” and has staged a new legend.

Department of famous domestic first four-valve diesel engine

As we all know, Yuchai is the largest diesel engine manufacturer in China and has more than 60 years of experience in engine production. The YC6L series engine is a strategic power product that Yuchai has developed with the German FEV company, one of the world's three authoritative internal combustion engine research and development institutions, through 10 years of cooperation.

“The Yuchai YC6L series is a very good product in terms of technology and performance,” said one engine expert.

It is understood that this engine unites the latest European modern technology - four-valve technology, high-lower support technology for wet cylinder liners, and European proprietary technology for forced-cooled pistons. It uses the P7100 fuel injection pump and strictly implements the German FEV company's mechanical development program. Improve, the technology is more mature, and the cost performance is better.

In addition, the YC6L series engine is the first four-valve commercial vehicle diesel engine in China, and is also the first product to pass the double emission certification of the German National Inspection Agency TUV and the State Environmental Protection Administration of China. “The four-valve technology makes the intake air volume greater, the combustion more fully, and the emission consistency higher; and effectively reduce the engine intake and exhaust noise, effectively reducing engine noise.” Yuchai technicians said.

"Moreover, this engine incorporates an integrated cylinder head, integrated design and a wet cylinder liner. The integral cylinder head makes this engine durable with low fuel consumption, low noise, long life, and low maintenance costs; patents The medium-support wet cylinder liner structure allows the engine to have high cooling efficiency and fuel economy as well as similar products.” For the advantages of the YC6L series engine, the technicians listed one by one.

He also said that the YC6L series engines are the earliest domestic diesel engines that have been successfully developed and put into the market in line with China IV and China V emission standards. "The State III model uses the DELPHI electronically controlled single pump technology or the German BOSCH electronically controlled high pressure common rail technology. The National IV model uses the DELPHI electronic control unit pump technology line."

Long-term market performance without fear of test

It is reported that since 2002, vehicles equipped with Yuchai's YC6L series engines have entered the market. In the market test of more than 10 years, this engine has still been widely welcomed by users.

For this reason, YC6L series engines have so far been equipped with many classic heavy trucks in China. A staff member of Dongfeng Liuzhou Automobile Co., Ltd told the reporter that “YC6L series engines have excellent performance and are highly recognized by users. Therefore, all three generations of Pa Lung heavy trucks have been equipped with (YC6L series engines) and have witnessed the development history of this engine.”

A salesperson of Yuchai told reporters that the YC6L series engines had also served important receptions such as the Beijing Olympics and the National Two Conferences. “As of now, the operating mileage of many YC6L engines has exceeded 1 million kilometers, but so far no cylinder heads have been opened for maintenance.”

A veteran user of Yuchai Engine also praised the YC6L: "The reliability is better than Yuchai's other classic engine YC6105QC and YC6112ZLQ which is known as Yuchai Wang."

Old and strong YC6L continue to lead the lightweight heavy truck market

Although the YC6L series engines have been on the market for more than 10 years, the YC6L is still an evergreen tree in the commercial vehicle market due to its light weight and low fuel consumption, and it continues to be a benchmarking force for the weight reduction of highway heavy trucks.

An industry veteran believes that after adopting a weight-based charging policy across the country, lightweighting has become one of the important trends in the development of domestic heavy trucks. At the same time, he also stated that "it is of great significance if the engine that plays a key role in the vehicle power chain can reduce its own weight."

Yuchai technicians told the reporter that the weight of the YC6L series engine is only 780kg, which is a lightweight four-valve engine that Yuchai has tailored for the lightweight development of domestic heavy trucks. "This machine is compact in structure and adopts a lightweight design, which can effectively reduce the total mass of the vehicle and increase the payload." Faced with the light weight demand in the heavy truck market, the YC6L series engines still have their own hands. According to reports, on the national road, the YC6L has a relatively large advantage. Its fuel consumption per 100 kilometers is 13% lower than that of competing products. On the expressway, the fuel consumption per 100 km of the YC6L is 4% lower than that of competing products.

Because of its light weight and low fuel consumption, the YC6L series engines can be fully equipped with lightweight models such as lightweight tractors , lightweight trucks, and lightweight dump trucks. “Such as 4×2 tractors, 6×2 tractors, 6×4 tractors, etc. Currently, the YC6L series engines have become customized for mainstream heavy-duty trucks such as Dongfeng Commercial Vehicles, Dongfeng Liuzhou Automobile and Jianghuai Gefa. Standard power," said the person in charge of Yuchai.

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