On July 1, the State III standard for light commercial vehicles under 3.5 tons will be implemented. Despite the lack of core technologies and spare parts, oil adaptability, and service guarantees, commercial vehicle companies have always circumvented the national III threshold both inside and outside, but the State III era has already begun, and the State III engine competition will intensify.
Daichai CA4DC
Low vibration and low noise accelerate the need for more maintenance
Technical content: CA4DC diesel engine is developed by Deutz FAW Diesel on the basis of CA498 diesel engine. It adopts BOSCH's electronically controlled common rail system and K-factor injector, which is more fuel-efficient than similar domestic models, and is optimized for vehicle demand. Low speed characteristics.
CA4DC III products use the design concepts and verification standards of German Deutz and Japan MAE for component and machine development. The alloy cast iron cylinder block and integral cylinder heads are used. The strength is high and the rigidity is good. The vibration noise reaches international similar products. Level.
Adaptation range: As the earliest mass production of Euro III light vehicle diesel engine manufacturers, Deutz FAW Dachai is highly trusted by light-duty vehicle manufacturers. Its National III engine is not only suitable for light truck manufacturers such as Yunnan Hongta, FAW Harbin, and Beiqi Futian. The luxury passenger cars produced by companies such as Wuhu Yangtze, Shanghai Impala, and Ankai Lightbus are also loaded with CA4DC diesel engines.
CA4DC diesel engines also have a large overseas market. The two domestic light truck export companies, Shandong Shifeng Group and Shandong Kama Group, are equipped with 3CA4DC diesel engines on light vehicles that are exported to South America and the Middle East.
User evaluation: Because Deutz FAW-Darby has certain advantages in power, economy and reliability, the failure rate is relatively low and the export market is relatively popular.
As an improved CA4DC diesel engine, it is low noise, more stable, and has good acceleration and climbing ability, but it needs to pay attention to strengthening maintenance.
Chaochai 4102-C3
Economic passenger-type maintenance is not very convenient
Technical content: The CY4102-C3 diesel engine is a new product jointly developed by Chaochao and AVL of Austria. This machine adopts a four-valve structure cylinder head, Germany BOSCH company's electronically controlled high pressure common rail fuel supply system, and exhaust gas turbocharged intercooling. A four-valve higher-quality engine that emits Euro III emissions and meets Euro IV emission standards.
Adaptation range: Suitable for 3 to 8 tons of light and medium trucks, 6 to 9 meters of passenger cars. At present, the CY4102-C3 engine is equipped with JAC light trucks, Shaolin highway buses, Yaxing buses, and Chu Sheng special vehicles.
User evaluation: Compared with Xichai's emphasis on dynamics, Zhachai focuses on economy, low fuel consumption, soft engine sound, and extensive passenger car loading. Compared with Dachaishan and Yuchai, Xichai's small displacement has a sufficient price advantage.
For common diesel engines with common rails, the oil level must be adjusted to zero on the test bench after disassembling. This requires the user to have more problems with the manufacturer and the Bosch Service Center when problems occur, but due to the relatively small amount of regional use. After-sales maintenance is not very convenient in some areas. Of course, Xichai has also recently begun planning to load more EGR engines on trucks, perhaps to some extent to ease some of the inconveniences of after-sale maintenance.
[next]
Xichai 4DW Fuwei
Strong explosive shipping type adapts widely
Technical content: During the development of 4DW Fuwei Diesel Engine, Xichai Factory fully absorbed the successful development experience and technology of Aowei Diesel Engine, carried out technical consultation of Austria AVL, and cooperated with Shanghai Internal Combustion Engine Research Institute and achieved success. This model has three forms of naturally aspirated, supercharged and supercharged intercooled, among which 4DW93-96E3, 4DW93-84E3 and other models have reached the national III emission standard, which is the highest quality engine in China's current low-power diesel engine series. one.
The biggest advantage of 4DW Fuwei Diesel Engine is that the interchangeability of the diesel engine is high. When the vehicle manufacturer needs to upgrade, only the diesel engine products need to be replaced directly, and the vehicle layout no longer needs to be changed, which greatly shortens the passenger car. Manufacturer's product development progress.
Adaptation range: 4DW The three series of Fuwei country are mainly suitable for 1.5 to 3 tons of low-speed trucks, 4 to 12 tons of trucks, 6 to 7 meters of passenger cars, forklifts, agricultural machinery. At present, the units supporting Xichai 4DW93B-84E3 common-rail engine include Hongta trucks and Jianghuai buses.
Customer reviews: 4DW Fu Wei engine sounds good and powerful. The same four-cylinder engine, compared with the domestic low-speed engine, the explosive force, the car to open up more effort, the big horse-drawn car, so the fault is relatively less, maintenance is simple and convenient, but the fuel consumption. The economical common rail 4DW93 performs better than a single-unit pump.
Fuwei's suppliers use the same supplier network for mid- and heavy truck engines such as Xichai Aowei. The quality control capability and level of the entire supply chain system is far better than that of the agricultural diesel engine plant, plus Xichai's 4-cylinder. The machine is a wet cylinder liner, and the degree of commonality between the components of each other is also high, and it is more convenient for the user to use maintenance.
Yuchai YC4F
The most quality guarantees the high cost of use
Technical content: YC4F engine is a joint design of Yuchai, Germany FEV and Japan YAMAHA. It adopts a number of modern diesel engine scientific research and technological achievements. State III models use the United States DELPHI electronically controlled high pressure common rail technology, low eddy current combustion chamber and many other modern diesel engine technology achievements. At the same time, because it is designed and developed according to the starting point of China II's emission, and at the same time considering the need for upgrading of III and IV, it has the potential for emission upgrading.
Since Yuchai carries out a large number of reliability and adaptive developments in accordance with the German FEV's mechanical development program, it is claimed that the engine overhaul mileage can exceed 500,000 kilometers under normal use and maintenance. In view of the YC4F wet cylinder structure, the cylinder head covers four cylinders and one cover. Good accessibility and easy maintenance.
Adaptation range: YC4F diesel engine is an energy-saving and environment-friendly light-duty diesel engine developed by Yuchai in light of the development of the light vehicle market and making up for the gap in its mid-size engine market. It is targeted at mid- to high-end light trucks, passenger cars, pickup trucks, SUVs, vans and other commercial vehicles and passenger vehicles. car.
Among them, YC4F90-33 diesel engine is to be equipped with Futian Aoling to meet N1 country III emission, and YC4F series diesel engine supporting manufacturers are Lifan, Hongta, Suzhou Jinlong, and Xiamen Golden Brigade.
User evaluation: Because the performance and after-sales service of Yuchai YC4F is more definite than those of Xichai, Chaochai, etc., and the service network and technology of Yuchai are relatively mature, so the use and maintenance are the most secure.
However, the price of Yuchai's YC4F is significantly higher than that of other ordinary III machines. The price of formal accessories is generally high, and the cost of use is also high.
ZHEJIANG LIVEWELL ENVIRONMENTAL TECHNOLOGY CO.,LTD. , https://www.livewellpure.com