Jianghuai Navistar Engine Company: Breaking Innovation in a Changing Situation

Looking forward to the future development direction of China's commercial vehicle market, the technical bottleneck of the engine , the upgrade of emission standards, or the problem that must be solved by commercial vehicle companies. More stringent emission standards and more diversified technical requirements are impacting the light and medium commercial vehicle market based on European emission standards. With the establishment of a joint venture engine company between JAC and Navistar, engine emission standards and manufacturing technology from the United States formally entered the Chinese light-end high-end engine market. Innovating to break through in a changing situation has become a top priority for the JAC Navistar Engine Joint Venture.

Speculate on the future of global technology

On August 23, 2012, the unveiling ceremony of Anhui Jianghuai Navistar Diesel Engine Co., Ltd. (hereinafter referred to as "Joint Venture") was held in Beijing. The joint venture between JAC and Navistar to establish an engine company is undoubtedly the result of a comprehensive analysis of the high-end commercial vehicle market, including the entire market environment and competitors, and the two global commercial vehicle giants. "Take the Future" is a strategic visionary embodiment.

Maisford 2.8_HFC4DA1-2C

Maisford 2.8_HFC4DA1-2C

Compared with the foreign engine brands entering the Chinese market earlier, Navistar seems to have a deeper technical precipitation. Navistar Corporation is a company with a strong technological expertise. In addition to the most advanced engine technology, it is also an “advanced” enterprise with an innovative engine. The first smokeless diesel engine was put into operation in 1989, and the world’s first electronically controlled diesel engine and fuel common rail technology was implemented in the commercial vehicle field in 1994. By the year 2000, the first heavy truck with a camshaftless engine was unveiled in North America, and today ICT (Increase cylinder combustion emission technology), Navistar has been in a leading position in the field of technology.

For Jianghuai Automobile, which is familiar to the commercial vehicle industry in China, this joint venture not only means an overall leap in engine manufacturing technology, but also means injecting a more dynamic technology “blood” for the Chinese high-end engine market. In the future, the joint venture will mainly produce JAC HFC4DA1 (2.8L) diesel engines and Navistar MaxxForce 3.2L, 4.8, and 7.2L diesel engines, with an annual production scale of 150,000 units. In addition to satisfying the Chinese domestic market, it will also aim at foreign markets.

Maisford 3.2s

Maisford 3.2s

As we all know, the EPA 2010 laws and regulations implemented by the US Environmental Protection Agency (EPA) from January 1, 2010 are currently the most stringent emission regulations in the world. The limits for nitrogen oxides and particulate emissions are nearly zero (the limit of NOx emissions per hour of horsepower is 0.2 milligrams and particulate emissions are 0.01 milligrams). Navistar's recently announced IVT technology based on Navistar Advanced In-cylinder Combustion Technology, combined with the proven liquid urea post-treatment system, fully meets EPA 2010 emission standards, and will also enable joint ventures to reach US greenhouse gases in advance. Emissions (GHG) 2014 and 2017 standards. This means that commercial vehicles equipped with Maisford engines will no longer be plagued by increasingly stringent emission standards, and will provide the most clean and most energy-efficient engines for Chinese users, while laying the foundation for Maasfu engines and JAC. The automotive industry has a leading position in the domestic high-end commercial vehicle market.

Dialogue the world in a two-pronged approach

Industry insiders stated that the strategic cooperation between JAC and Navistar is expected to break the "preconceptual" engine market cycle. Just before the unveiling ceremony of the joint venture company, the “JAC-Navistar Joint Technical Exchange Conference” was held in Beijing. Authoritative experts from domestic engine emission technologies affirmed Navistar emissions technology and its application in Jianghuai Automotive products. With thumbs up. Navistar's advanced in-cylinder combustion technology (ICT) combined with SCR post-processing technology to achieve a diversified product portfolio will become the weight-for-weight of the joint venture "international dialogue."

As a high-end engine brand, Maisford Engine will provide high-efficiency, clean and energy-saving engines for Jianghuai Automobile's customers, and promote the upgrading of domestic engine emission technologies with leading global technology. In the high-end engine market in China, only the products that best meet the needs of users and market trends can become the industry leader. Navistar has a wide range of advanced emission technology product portfolios, including ICTs, that match the actual application and testing of JAC's product platforms. These technologies will enable the joint venture company to provide customers with a product portfolio based on different market needs. To create maximum value for customers.

Maisford 4.8s

Maisford 4.8s

The combination of strength and strength makes Jianghuai Navistar's diversified product technology spectrum more emboldened to respond to more stringent emission regulations in the future, and it also provides sufficient technical reserves for overseas exports, especially in European and American markets. The joint venture engine plant will begin production of three models of the 3.2-liter, 4.8-liter, and 7.2-liter Maersvault engines, all of which have now been certified by the European Union's Euro V emission system and are fully equipped with "dialogue global" technology capabilities. In addition, advanced in-cylinder combustion technologies, including exhaust gas recirculation (EGR) and selective catalytic reduction (SCR) post-processing technologies, are "a two-pronged approach," providing the cleanest, most energy-efficient engines that will benefit us in the future. Our customers are also beneficial to environmental protection, and can also provide corresponding product portfolios in response to a variety of different emissions needs in the global market, including the future implementation of China's domestic market, country V, country VI and higher standards.

The joint venture company has the ability to participate in global high-end engine competition through the introduction of products and technologies. The top level in emissions technology and the application results that are second to none in the scale of the products will accelerate the development of the vertical integration of Jianghuai Navistar. It can be said that Jianghuai Navistar condensed its “two leading resources in the global diesel engine field” and promoted global commercial vehicle emission standards and technology upgrades with high-end engine core technologies to provide global users with the best performance and efficiency.

Twisted Tube Heat Exchanger

Twisted Tube Heat Exchanger is to strengthen the turbulence of the flowing gas/fluid, so that the gas and the tube wall contact thoroughly. In addition to enhancing heat transfer, the twisted tube heat exchanger also has the advantages of reducing scaling, self-supporting between tube bundles, no baffle plate elements and so on.


With that being said, novel Twisted Tube Heat Exchanger is much more efficient than conventional tubular heat exchanger, or Shell And Tube Heat Exchanger. Twisted tube heat exchangers are also used in applications where the fluids are corrosive or contain particulates, as they are better able to handle these conditions than other types of shell and tube heat exchangers or Air Heat Exchanger.


Twisted tube heat exchangers are constructed from a series of twisted tubes arranged around a central tube. The tubes are twisted in such a way that the fluid will change direction multiple times as it passes through the exchanger. This increases the turbulence of the fluid and creates a larger surface area for the heat exchange, which increases the efficiency of the exchanger.


The shell is usually made from a thick metal such as carbon steel, which increases the durability of the exchanger.

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