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On April 3, Jianghuai Heavy Trucks held an extraordinary delivery ceremony in Shenzhen: The heavy trucks equipped with these heavy trucks are no longer traditional two-valve heavy-duty engines, but Yuchai 6M four-valve heavy-duty engines. The engine is jointly designated by Sinotrans DHL and the sole agent in Shenzhen.
Increasing consumer attitudes and rising oil prices provide opportunities for four-valve engines
Due to the influence of Hong Kong's heavy truck consumption concept, imported heavy trucks with four-valve engines have a long-term market share in Shenzhen. Through use, the user realizes the advantages of the four-valve engine.
According to the Shenzhen agent transporter, they paid more attention to the comfort, reliability, and economy of the vehicle. Since September 2005, the company has conducted long-term inspections and comparison demonstrations of various types of engine and vehicle selection, and finally selected the Geerfa heavy-duty truck that is equipped with Yuchai 6M four-valve engine.
Shenzhen has the ability to buy heavy trucks. Leaders of logistics companies participating in the delivery ceremony highly praised the Yuchai 6M four-valve engine and JAC heavy truck, and stated that they will soon be ordering in bulk in the future.
Industry sources said that the four-valve engine fuel nozzle and combustion chamber layout is more reasonable; at the same time, it can effectively reduce the engine intake and exhaust resistance, improve the intake and exhaust efficiency; and the valve and valve spring are also smaller. Therefore, four-valve technology is used to ensure more complete fuel combustion and softer engine operation, resulting in superior economics and comfort.
Four-valve engines have been widely used in foreign heavy-duty trucks, but the development of four-valve engines in our country started late. Currently, there are not many enterprises that can produce four-valve diesel engines; because users are accustomed to using inexpensive two-valve engines, they do not know much about four-valve engines. . Therefore, four-valve engines have not been popularized.
In recent years, the price of oil has been rising, and more and more customers are willing to spend more money to choose more fuel-efficient four-valve engines. Obviously, the consumption of hot four-valve heavy-duty engines will come.
Yuchai has promoted four-valve engine preparation
Yuchai has long realized that it must establish a four-valve engine platform to “become a powerful forest of international combustion enginesâ€. After a period of research and development, in 2003, Yuchai successfully developed a variety of four-valve engines such as the YC6M. In the same year, Yuchai launched a pilot project to pave the way for the market launch of four-valve engines.
Yuchai 6M four-valve heavy-duty engine power covers 320-390 horsepower, using the German FEV-specific engine combustion system technology to ensure more complete combustion. The Euro II model uses the P7100 injection pump to ensure better atomization of the fuel; a wet cylinder liner structure and European forced-cooled piston technology are used to ensure better cooling performance; patented dot-line meshing gear technology ensures lower engine noise . The engine is mechanically developed in strict accordance with the FEV machinery development program, and is designed for reliability at 390 hp to ensure a lower engine failure rate and longer life, providing a quality assurance of 250,000 kilometers (or 20 months).
Practical experience brings "return customers"
The Shenzhen agent transporter selected Yuchai 6M four-valve engine, also referred to the reaction of some other users.
According to a transportation company using a 390-horsepower YC6M four-valve engine in Guangdong, the Yuchai 6M four-valve heavy-duty engine is quieter, more fuel-efficient, and more comfortable to drive than other engines. Its overall performance is better than that of a two-valve heavy-duty engine. And economic advantages are particularly evident.
The company used imported heavy trucks before 2003, and has selected Yuchai four-valve engines several times since 2003. In the future, the company will continue to choose Yuchai four-valve engines. They believe that even if the four-valve engine price is higher than the two-valve, it is a good value option.
The launch of Yuchai 6M four-valve heavy-duty engine will further enhance the competition level of heavy-duty truck engines, which will effectively increase the competitiveness of domestic heavy trucks and win greater market initiative for Chinese heavy truck companies.
View related topics: Yuchai won the "China Brand Annual Award NO.1" (internal combustion engine) title in 2007