In recent years, a major automotive market notable feature is the hot selling diesel heavy trucks, mainly in some well-known brands, these brands Chibidaigou encouraging the emergence of the phenomenon, which led to the high-speed diesel engines and related growth industries , production and sales soared, particularly in heavy truck diesel market sprung up everywhere. Species mainly by the heavy truck diesel cargo flatbed, dump trucks, tractors and all kinds of special vehicle composition, in particular, economic diesel heavy-duty truck is pulling the last two years the rapid growth of heavy-duty vehicle market, the main species. Currently, the economy of diesel heavy truck products to Dongfeng, liberation and other models represented, accounting for total sales of heavy trucks for about 70%. Economical diesel heavy truck with high performance and low cost: through the use of the new structure and new technology initiatives, which not only makes carrying capacity greatly enhanced, and energy saving, which have brought new market demand, diesel heavy truck market was to be continuous to maintain the good momentum of growth.

    1 heavy truck diesel engine development

    Improve the logistics market demand also contributed to heavy truck moving in the following directions: First, the truck horsepower increases. Before people used to overload, basically at the stage of a small horse-drawn carts, which will reduce heavy truck freight rate, does not meet the requirements of modern logistics. Meanwhile, small-horsepower fuel consumption does not necessarily reduce the overall cost and worth. Using high-powered truck, with speed, power and strong features, while running at maximum torque range can ensure that all parts of the reliability and relative economy. Therefore, high-powered heavy truck is also in line with modern logistics high speed, high reliability requirements. Second, the stability of the demand is higher. Transport link errors will affect the entire logistics system working, so, for freight vehicles will be required to maintain a stable attendance in order to achieve higher efficiency. The third is to improve environmental protection requirements. Automobile exhaust as a major source of air pollution in recent years, more and more countries have been paying attention, the environmental requirements of the automobile exhaust is also higher, and now has the full implementation of the domestic country, three standards, heavy trucks will begin to implement standards for the four countries , upgraded emission standards also led to heavy truck technology is constantly upgraded.

    People often compare car engine in the heart, as a vehicle power source, the relationship between a car to Obrador weight, run fast, burn much oil, which is also an important indicator of vehicle performance. In the heavy truck technology more advanced countries, horsepower than the larger, mainstream heavy truck segment has reached 400 horsepower horsepower more than the above emission standards has been achieved in the Euro V standard. Now the domestic heavy truck segment is still concentrated in the 280 horsepower to 350 horsepower, emission standards are still running the country, three standards, and even a lot of country, two cars in the market, which has the international advanced level, with larger disparity. In order to meet emission standards at this stage, many domestic heavy truck brands have adopted foreign or joint-venture engine, or directly to the introduction of engine technology. Because the engine is one of the most important core assembly, which also allow domestic enterprises to compete in the market gradually in a passive, which is not conducive to heavy card car industry. Introduction of technology required to pay a large sum of costs, which for the user, the most direct manifestation of the car costs will also increase. Domestic heavy truck engine technology upgrade is imminent, heavier card market development trend, and now 11 more to upgrade other engine the needs of users, it is also known as the "gold displacement", the power is mainly in the 350 to 400 hp section. FAW engine upgrade for the domestic market demand, the end of 2009 Olympians ca6DM2 launched 11 l engine does not live up to everyone's expectations, becoming the first heavy-duty engine with independent intellectual property rights.

    As the first self-developed high-horsepower engines, 6DM2 also attracted more attention. Aircraft emissions up to 11 liters, the power through a different tune cover 350 to 420 horsepower segment, bring a large displacement engine is more powerful power output, the output torque greater than small-displacement engine, more power strong, this is in the initial, acceleration and other cases in the mountain is much clearer; the following diesel engines with domestic CA6DM2 such an example, the recent development of heavy truck diesel engine technology.