Today, we will share with you a new thing in the logistics and transportation industry - the super single-tire tractor . As we all know, the current domestic tractors and drive wheels have been equipped with double tires. In fact, the GB1589-2004 edition refers to single-tire applications, while the GB1589-2016 edition further clarifies the section width and axle load of super single tires. Therefore, from the perspective of changes in policies and regulations, the healthy development of 425/445 singletons is encouraged to some extent. Recently, WeChat frequently republished an article titled “X3000 6×4 Dangerous Super Super Single Tractor – Lightweight, Safer, and More Efficientâ€. With curiosity, the detailed parameters and configuration of the vehicle were obtained. I can't wait to share it with you to discuss the prospect of a super singleton. Self-respect is the biggest bright spot. Excessive overload control is a trend, and lightweighting is one of the core demand points for coal and hazardous chemicals transportation and other market segments. All manufacturers have already done enough articles, and even began to sacrifice the performance of vehicles. This is already not the majority of card friends. Heartfelt. The "eight-ton weight" of twin-drive tractors is a dream of some card friends, but it is difficult to satisfy them. However, it is understood that Shaanxi Automobile's dangerous chemicals super single-tire tractor has indeed done so, as evidenced by the map. Description: The car is a X3000 high-top double sleeper, matching 10.8-liter ISM11E5 440-horsepower five-engine, Fast 16-speed gearbox with 6×4 drive format. We all know that in the market, any dual-drive tractor with an 11-liter engine has a self-respecting weight of 8.8 tons, which is basically the same. How this model achieves such a heavy weight reduction and understanding, the main weight-reduction measures are: (1) Replacement of a large single child with twins, a weight reduction of about 136 kg; (2) The dazzling rim, at first glance, is an aluminum alloy rim. The driving wheel is 22.5×13, the front axle is 22.5×9.0, and the weight is about 292.2 kg. (3) The front axle adopts a lightweight bearing unit with a weight reduction of 50 kg; (4) Adopt composite air suspension with imported Firestone brand airbags and reduce weight by 120 kg; In addition, cast aluminum flywheel housings, aluminum alloy gas cylinders, aluminum alloy tanks and other measures to reduce weight, compared to the above decline has been shy. In general, this kind of design idea through new technologies, new materials, and new structures to reduce the weight of the entire vehicle is the gospel of the majority of card-friends, rather than blindly sacrificing the cab or chassis strength. Security guarantees take pains. The vehicle is equipped with a tire pressure monitoring system, a 315/80R22.5 tire for the steering wheel, and a mahjong block pattern for the drive wheel. The drive axle tire spans 2290mm, and is equipped with a drive-skid ASR system and Wabco imported four-channel ABS. For auxiliary braking, the Cummins engine JACOB brake and FAST hydraulic retarder are standard. Commercial vehicle matching tire pressure monitoring system is also rare. Road vehicles are generally better road conditions, plus the inherent advantages of vacuum tires, single tires are the most taboo only the risk of safety caused by tire pressure, the driving process, if you can grasp the tire pressure changes in a timely manner to prevent, you can avoid a lot of unnecessary Loss. This tire pressure monitoring system, it is understood that the monitoring accuracy can be less than 20%, compared to the "performance requirements and test methods for passenger vehicle tire pressure monitoring system" requirements of the draft requirements for accuracy requirements increased by 5 percentage points, more than passenger vehicles The accuracy standards can better meet the requirements for use. This model comes standard with the ASR, which is commonly used in imported cars, and uses Wabco control technology. Simply put, we can only use the brake pedal to activate the braking air circuit to perform the braking function. Through this system, the vehicle can be started. In the acceleration process, it is possible to brake the slipping side wheel separately to increase the driving force. When the speed of the vehicle exceeds 35Km/h, the system can reduce the output torque of the engine to prevent the driving wheels from slipping when the speed is accelerated or the ramp of the heavy-duty climbing driving wheels is slipped, thereby improving the driving safety and reducing unnecessary tire wear. Finally, when the ASR off-road mode switch is turned on, it can allow the vehicle to have a greater slip rate. In other words, under extreme conditions, it allows the drive wheels to slip even more severely in order to quickly drive out of bad road conditions. Taking into account the stability of the single-tire model, this model's drive axle design is also ingenious. The new design of the drive axle, brake pad diameter and width to keep the same with the existing products, and increase the track to 1986mm, so after a single tire assembly, the span to 2290mm, a slightly narrower than the parallel twins 150mm, relatively double The tread width of the tire has been greatly increased, which not only ensures the overall sense of coordination, but also increases the lateral stability of the vehicle. Other safety measures, such as disc brake wear alarms, brake pads wear and tear alarm devices, rear axle brake adjustment arm, etc., will undoubtedly reduce unnecessary safety hazards caused by negligence, and cut off the entire emergency. Electromagnetic power main switch of car power supply, etc. It is possible that this model is currently mainly targeted at the hazardous chemicals transportation market. No matter what, the vehicle actually uses a more practical configuration in terms of safety. In addition to improving weight and safety performance, in order to improve transportation efficiency, the front axle and rear axle bearings of this vehicle adopt imported FAG bearings to achieve maintenance free for 3 years/500,000 kilometers, and the oil change intervals for engines, transmissions and axles are extended to 100,000 yuan. Kilometers. At the same time, with respect to fuel economy, the reduction in rolling resistance must also save a lot of expenses. This is understandable, and unnecessary explanations are unnecessary. In summary, the use of large singletons has long been used abroad, but it is mainly used on trailers. It may be that 4×2 tractors in foreign countries have limited the popularity of large single tires in front. Then, in the domestic market, the application of large single tires on 6×4 tractors is not impossible, but the current service, accessories, and the low degree of maintenance convenience, the majority of card readers also need a process of cognition, let us wait and see.
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Shaanxi Automobile Hazardous Chemicals super single-tire tractor 
Standard tire pressure monitoring system 
Tire pressure monitoring system 
The front wheel adopts a 315mm section tyre with more stable direction 
Rear tire 425 vacuum tires, mahjong block pattern, strong grip 
ASR solenoid valve, ASR two-way check valve, ASR off-road mode switch 
Imported ABS solenoid valve, Cummins engine with engine brake, composite air suspension 
Special axle axle distance: 1986mm, tire span 2290mm 
Conventional axle track: 1860mm, tire span 2440mm