Caterpillar's Fourth National Product Revealed for the First Time

Caterpillar's Fourth National Product Revealed for the First Time

October 14, 2022

【China Road Machinery Network Original report】The other day,A group of pictures and videos of Caterpillar excavators working in Ordos and Wuhai open-pit coal mines in Inner Mongolia have appeared.,This is the first time that Caterpillar's fourth national product has been revealed.。So,What is the difference between Cat IV and Cat III products??What are the unique features??

The mine in Wuhai, Inner Mongolia is being tested with the fourth national emission.CAT®355 excavator

The open-pit coal mine in Ordos, Inner Mongolia, is being tested with the fourth national emission.CAT®336 excavator

About China IV

Millions of new non-road diesel engines are added every year in China.,The country consumes more than 100 million tons of diesel oil every year.,About 20 of them%For all types of off-road mobile machinery。These non-road mobile machines are important emission sources of nitrogen oxides.,It is preliminarily estimated that more than 2 million tons of nitrogen oxides will be emitted annually.……

“Guo Si”The emission standard is the fourth phase of the emission standard for pollutants from non-road diesel mobile machinery.,Applicable to all mechanical equipment using diesel engines in the engineering machinery industry.。Including excavators、Loader、Bulldozer、Rollers and so on。

And“Kunisan”Compared to emissions,Implement“Guo Si”Nitrogen oxide emissions can be reduced by 13% after emission standards%-45%,Particulate emissions can be reduced by 50 percent%-94%。 Achieve emission upgrades,In addition to greatly improving the pressure of construction machinery and equipment on environmental pollution,;It can also strengthen the environmental protection management of old equipment.,Speed up the update iteration of construction machinery and equipment,The benefits are obvious.。

According to the requirements of the Ministry of Ecology and Environment,As of 1 December 2022,All production、Import、Sales 560kW(Including 560kW)The following non-road mobile machinery and its diesel engine shall meet the emission requirements of the Fourth National Standard。From now on,All OEMs and agents will no longer be able to sell new 560kW(Including 560kW)The following national three equipment。

In response to the call of the country,Recently, the main engine factories and engine manufacturers have launched their own four products.,Some manufacturers even started the sales of the fourth national product ahead of schedule.。Unlike most manufacturers,,Caterpillar is rather low-key in the launch and promotion of the fourth national product.。This time,The photos of Caterpillar testing the fourth national product reflect its consistent style.,At the same time, it also shows the responsible attitude of a responsible enterprise to its customers.,It also makes the outside world full of conjecture and expectation about Caterpillar's fourth national products.。

Four features,Caterpillar's Fourth National Product Emerges Occasionally

Those that are about to be introduced to the market and have the fourth national emission standardCAT®355 excavator

According to industry insiders,Caterpillar's fourth national product has inherited its strength and fuel economy.、The reliability is strong、And that operation efficiency is high、Convenient maintenance and other advantages,Although there is not much difference in appearance with the three products of the country.,But in fact, it has its own unique features.:

First, it is easy to identify。Add the following to the model names of all China IV products:“NR4”Nameplate marking,To make a distinction。

Second, it is convenient to use.。The purpose of adding urea to the fourth national equipment is to reduce the emission of nitrogen oxides.,O as to achieve the purpose of environmental protection.。The urea tank is located in the toolbox.,It is convenient for users to add diesel oil at the same time.,Urea solution may also be added。

The urea tank is located in the toolbox.,Easy to use

Third, high attendance rate.。The tail gas after-treatment device adopts special technical means.,The fourth national equipment can be realized without special shutdown.DPFRegeneration,That is, senseless regeneration,O as to realize the maximization of the attendance time of the machine.。What's more,,Effectively reduce the maintenance cost of customers。

The after-gas treatment system is maintenance-free,Zero burden

Fourth, good safety.。Caterpillar has added an indicator light on models that use automotive urea.。

When the indicator light is on,Indicates that the urea solution is being pumped back,Don't force the gate to close.

Since 2007, Europe and the United States have entered four stages of emissions.,Caterpillar has considerable experience in low emission applications.,At present, there are more than hundreds of thousands of off-road equipment equipped with after-treatment system engines in operation all over the world.,Cumulative emission reduction of nitrogen oxides and soot particles over hundreds of millions of operating hours,Make Caterpillar products improve in practice,Become more stable and reliable。This shows that,Caterpillar's development and market verification of the fourth national product,Have a deep foundation。

The photos and videos are revealed.,It shows that Caterpillar is fully prepared to deal with the upgrade of non-road country 4 emissions.,The new generation of Cat IV products will be officially launched on the market.。Let's look forward to the final unveiling of Caterpillar's fourth national product.。

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