In 2022, due to the downward expectations of the commercial vehicle market, the competition in the engine industry may further intensify.
As a leader in the domestic internal combustion engine industry, over the years, Kunming Yunnei Power Co., Ltd. (hereinafter referred to as "Yunnei Power") has been deeply engaged in the research and development of small and medium-bore engines for commercial vehicles, and the diesel and gasoline engine products currently developed not only meet the National VI emission standards, but also provide diversified choices for the light commercial vehicle industry with lightweight design and excellent quality. This can be seen from the ministry of industry and information technology's recent batch of new car announcements, and the high proportion of cloud power supporting light commercial vehicles.
At present, Yunnei Power's National VI engine products have covered 1.6-13L, including 2.0L and 2.5L engines mainly used in blue light trucks, as well as 3.0L and above engines suitable for refrigerated trucks and yellow card dumps and medium and heavy trucks. In 2021, Yunnei Power's annual sales of nearly 500,000 units are enough to prove that users and the market recognize its products. So, in the national six era, which engines launched by Yunnei Power that meet the new emission standards and which models are suitable for them? Below, the first commercial vehicle network for you to introduce in detail.
Yunnei Power Dulwich G20 gasoline engine is a special China VI gasoline engine customized and developed by Light/Micro Truck, Pickup Truck, Light Passenger and other users in conjunction with German FEV, using turbocharged cylinder direct injection engine (TGDI) technology, combined with the excellent engine technology of wheel supercharged intercooled TCI and fuel cylinder direct injection GDI, and is also the first range extender engine in China.
In terms of power, this engine adopts 2.0L displacement, the power range covers 95kw ~ 110kw (130 ~ 150 horsepower), the use of supercharger ultra-low speed intervention, the working time can reach 1000 rpm, 1400rpm is the maximum torque of 360N · m; the engine low speed response only takes 1.5 seconds, with ultra-high speed limit, up to 250,000 rpm per minute, low-speed torque comparable to the same displacement of supercharged diesel engine, with superior low-speed acceleration.
In terms of fuel consumption, this engine is equipped with low-pressure EGR, electronic thermostat, 48V light mixing system, split cooling, water and air cooling and other configurations, the minimum fuel consumption of 214g/kw·h, the highest thermal efficiency of 39.4%, the whole machine is currently in the domestic advanced level.
In terms of reliability, this engine is designed according to the ultra-long endurance cycle and ultra-high load of commercial vehicles, and the life of the B10 can reach 300,000 kilometers. At the same time, the design of dual overhead camshafts, roller rocker arms, and hydraulic tappet structures improves transmission response, optimizes engine NVH, and provides a comfortable and quiet space for the driver.
Dulwich D20 China VI engine: full horsepower, high torque, suitable for a variety of light vehicles
According to the requirements of the new regulations of blue-label light trucks and different application scenarios, Yunnei Power further subdivides the D20 into standard and heavy-duty versions to adapt to a wider range of user demands with more accurate matching.
Dulwich D20 engine is mainly light, static and economical, its displacement is 2.0L, using turbocharged intercooled intake mode, inline 4-cylinder design makes this engine maximum power of 75 ~ 120kw, covering 102 ~ 163 horsepower, in the maximum torque speed range can play a maximum power output of up to 380 Nm (N·m), matching in the 2.4 ~ 2 .8m wheelbase micro truck, small card, flat discharge, 3.3 meters and 2.8 meters wheelbase narrow body plain version of the light truck and other models.
In addition, this National VI engine adopts the international advanced electronically controlled common rail HEGR+DOC+DPF+SCR+ASC technology, the minimum fuel efficiency of full load is 205g/kw·h, and the fuel consumption is lower; the leading lightweight design makes this engine net weight of only 210kg, which is lighter and more cost-effective than competitors with the same displacement.
As early as the implementation of the National IV emission standards, Yunnei Power has begun the development and production of small displacement engines below 2.5L. With the implementation of the new regulations for blue light trucks this year, the maximum displacement engine that can be carried by compliant models is 2.5 liters. In view of the "new" market of blue light trucks, Yunnei Power has optimized various performance indicators on the basis of the original fist products to launch the D25 Pro and YN25 PLUS models to meet the needs of users in different scenarios.
As the benchmark power of 2.5L blue light trucks, since its batch listing in 2015, the number of Users of Dulwich D25 China VI diesel engine has exceeded one million.
It is reported that this engine adopts the electronically controlled common rail system HEGR+DOC+DPF+SCR+ASC technology and inline 4-cylinder turbocharged engine, which has strong explosive power and more power. Its maximum power is 85 ~ 110kw, can play 115 ~ 150 horsepower power output, and the engine is mainly effective, light and strong, and the use of Dulwich's unique double overhead camshaft technology, with aluminum alloy cylinder head and spiral + tangential double inlet, greatly increase the engine intake, exhaust efficiency, improve combustion rate, power and economy greatly improved.
At the same time, the Dulwich D25 engine has also undergone rigorous three-high test verification, strict selection of high-quality parts supply system and the use of digital intelligent production control, etc., so that the performance of this engine is more reliable and stable; more than 2600 service stations in the country, the national service radius is less than 50 kilometers, but also makes the engine maintenance guarantee more efficient and worry-free, and the market ownership is greatly improved.
This China VI engine is suitable for 3.3m wheelbase width narrow body plain version of the compliant blue plate car, light throw logistics truck and 4 to 8 tons of engineering dump truck and flatbed dump truck, stronger power, vehicle bearing capacity and climbing performance is better, faster running speed.
At the same time, the optimized design of double overhead camshafts and four-cylinder sixteen valves has higher thermal efficiency and better power performance; the lightweight design ensures that the vehicle is compliant and multi-loaded and has lower fuel consumption, which is more in line with the needs of efficient urban transportation.
Yunnei power YN25 Plus engine is a new product launched in the first half of 2021, this diesel engine is mainly cost-effective, displacement of 2.499L, the maximum rated power reaches 118kW, can achieve a maximum of 160 horsepower power output, the maximum torque of 400N·m, low speed can also burst out 300N·m of torque.
At the same time, this engine adopts lightweight design, high-strength aluminum alloy cylinder head, intake pipe, flywheel shell, oil pan shell make this engine more efficient and reliable, and can be adapted to standard light trucks, urban distribution compliant blue light trucks, and 3.3 meters narrow body, flat plate dump, 3.1 meters engineering vehicles and more models.
Dulwich D30 China VI diesel engine: high power, low fuel consumption Benchmark refrigerated truck market
In the new regulations for blue light trucks, it is stipulated that the engine displacement that meets the new regulations for blue light trucks is not higher than 2.5L, but refrigerated vehicles are exceptions. Because the refrigerated truck transports vaccines, medical supplies, fresh milk and other special items related to people's livelihood, the requirements for freshness and quality preservation are higher, the temperature control requirements are more stringent, and the engine is also relied on to ensure refrigeration when idling, so the engine displacement of the refrigerated truck is limited to 3.0L.
In this industry segment, the Dulwich D30 engine within the cloud has received the needs and attention of market users.
This engine adopts inline 4-cylinder 3.0L supercharged intercooling technology, the maximum output power is 105 ~ 125kw, the maximum horsepower covers 143 ~ 170 horsepower, and the maximum torque of 360 ~ 500 N · m can be exerted in the maximum torque speed range; the spiral + tangential double intake channel makes this engine have large torque reserves, fast speed, strong bearing capacity, can well meet the needs of refrigerated vehicle matching, and are more explosive in the working conditions of mountain roads and climbing.
DOHC double overhead camshaft design, electronically controlled high-pressure common rail fuel injection technology and 4-cylinder 16 valve design can fully burn fuel, so that the vehicle transportation process to achieve the best fuel consumption performance, full load minimum fuel consumption rate of only 200g / kw·h, more to meet the refrigerated market transportation needs.
High-strength alloy cast iron cylinder liner body and aluminum alloy cylinder head design make this engine more reliable and durable; timing gear + belt drive system, roller rocker arm, hydraulic clearance adjustment and other technologies, greatly reduce engine noise, improve the comfort of drivers and passengers.
As the first brand of small and medium-sized cranberine engines in commercial vehicles, Yunnei Power has always developed engine products that meet market demand and high cost performance. In view of the market demand of medium and light trucks such as yellow card green pass, engineering dump truck, and heavy truck, Yunnei Power has developed a variety of National VI products such as D40, D43, D45, D47, D67, etc., and achieved full coverage of different displacement sections of diesel engine power.
Dulwich D40 China VI engine displacement of 4.0L, the maximum output covers 129 ~ 184 horsepower, in the maximum torque speed can achieve a maximum torque output of 415 ~ 660 N · m, in the yellow card green pass market below 12 tons, has a high cost performance.
Dulwich D43 China VI engine displacement of 4.3L, mainly installed in the load of 10 to 15 tons, wheelbase of about 3600mm of construction vehicles, its maximum output power of 151kw, in the 1200 ~ 1900rpm speed range to play a maximum torque of 720 N· m, the maximum output of 205 horsepower can easily cope with the engineering conditions.
The D45 series National VI engine with a displacement of 4.46L is suitable for 18 tons of two-axle dumping, 25 tons of three-axle dumping and other market segments, using the electronically controlled common rail system HEGR + DOC + DPF + SCR + ASC intake form, the maximum output power of 162kw and the maximum torque of 820N·m, so that the vehicle equipped with this engine has strong horsepower at the same time, 190kg/kw·h full load fuel consumption rate makes the model have the excellent performance of low fuel consumption.
For the yellow card heavy-duty truck segment, Yunnei Power has launched the Dulwich D47 and above China VI engines.
Dulwich D47 China VI engine displacement of 4.7L, suitable for 16 to 31 tons, wheelbase 3900mm and small three-axle engineering vehicles, the use of four valve technology, with a mid-mounted injector, dual tangential intake, mid-camshaft, rear gear chamber and other technical configurations. The maximum power performance of 230 horsepower and a maximum of 850 N·m makes this engine highly climbable and easy to load heavy goods without pressure. The low failure rate also makes this engine "leather resistant" and the market performance is better.
6.7L displacement Dulwich D67 National VI engine, its power covers 231 ~ 293 horsepower, the maximum torque range of 920 ~ 1150N·m, mainly adapted to 6×4 engineering vehicles, 2-axle and 3-axle N2 heavy trucks, 9 ~ 12 meters M2 class bus, low speed and large torque so that vehicles equipped with this engine can get more horsepower release when pulling heavy goods, with reliable durability, strong power, economical fuel saving and other advantages, to provide users with more diversified choices. In addition, Yunnei power product line further expanded to the field of six-cylinder engine, and the launch of its 9L and 13L engine products marked Yunnei's official entry into the heavy-duty truck market, and the product layout was further improved.
epilogue
In the china VI emission upgrade, the Yunnei Power Dulwich brand continues to enrich its product lineage, and has won the affirmation of the market and the favor of users with its National VI engine products that cover a wide range of displacement, a variety of power choices and diversified vehicle adaptations. In 2022, it is believed that Yunnei Power can still forge ahead in the fierce competition.