Software For Manufacturing Industry,Manual Industries,Heavy Manufacturing Industry Blog - holomachinery.com

One of the most important choices of domestic commercial vehicle III technology - electronically controlled monomer pump

In the past two months, China's State III emission standards have been fully implemented, marking a significant shift in the commercial vehicle industry. While debates about the best way to comply with these regulations continue, the market has moved forward, and customers are already making their own decisions based on practical needs. Looking at the heavy truck sales data for July, just one month after the implementation of State III, we saw a sharp decline—sales dropped by 51.06% compared to June. For instance, FAW and Dongfeng, which relied on conventional technologies like electronically controlled high-pressure common rail systems, experienced a staggering 70% monthly drop. In contrast, companies using alternative routes such as H pump + EGR technology, like China National Heavy Duty Truck, saw a more moderate decline of 35.18%. Despite this, CNHTC managed to secure the top spot in July, moving from third place in June. This suggests that the choice of technology is becoming a critical factor for commercial vehicle manufacturers, especially those in the medium and heavy truck segment. Over the past six months, there has been ongoing debate within the industry, but even end users are now familiar with both common rail and EGR technologies. Common rail is widely considered advanced and mature, offering better prospects for future emissions upgrades. However, its high cost, reliance on premium fuel, and complex maintenance have made it less appealing to Chinese customers in the short term. On the other hand, EGR technology, though phased out in developed countries due to its limitations in meeting stricter emissions standards, remains popular in China because of its lower cost, easier maintenance, and compatibility with local fuel quality. Interestingly, the current industry debate focuses mainly on two technologies: electronically controlled high-pressure common rail and H pump + EGR. Fewer discussions revolve around the European approach to achieving Euro III and Euro IV standards, such as the electronically controlled inline pump (monomer pump), which is widely used across Europe. Currently, over 85% of heavy-duty diesel engines in Europe use this monomer pump technology. It works by injecting fuel into each cylinder through individual injection units connected via high-pressure oil lines. The system uses an electromagnetic valve to control fuel delivery, while the ECU adjusts timing and quantity based on engine conditions. With injection pressures reaching up to 2000 bar, this technology offers reliability, ease of maintenance, and durability—key advantages in China’s current fuel environment. The main benefit of the monomer pump is its simplicity and minimal modifications required to existing engine designs, resulting in fewer failures and longer service life. Additionally, it is less sensitive to fuel cleanliness, making it well-suited for China’s domestic fuel quality. Although it has some drawbacks, such as limited control over injection pressure and lower low-speed performance, these issues are being addressed by local manufacturers. Two Chinese companies, Chengdu Witt and ASIMCO Nanyue, have successfully mastered monomer pump technology. Their independently developed electric control combined pump is now available for medium and light commercial vehicles, costing about half as much as the high-pressure common rail system. Leading manufacturers like FAW and Dongfeng are also advancing their own monomer pump research, with expected launches in mid-2009. Industry analysts predict that by the end of this year, common rail systems will hold 60% of the market, with monomer pumps and H pump + EGR each accounting for 20%. By mid-2009, all three technologies will be evenly split, but by the end of 2009, monomer pumps are expected to rise to over 40%, while the others fall below 30%. In conclusion, the electronically controlled monomer pump represents a practical and cost-effective solution for China’s commercial vehicle industry under State III standards. It not only aligns with local conditions but also offers long-term benefits for both manufacturers and customers.

Skeletal Semitrailer

skeletal truck body,Skel Trailer,40ft Tri Axle Skel Trailer

Shandong Tenda Vehicle Co. LTD , https://www.tendavehicle.com