Engineer Liu: Pit Avoidance Guide | How to Distinguish "Real Country Four" PK "Fake Country Four"?

From December 1, the fourth national standard of non-road will be fully switched.，It has entered the 35-day countdown.，Are you ready?？

As the first enterprise in the construction machinery industry to launch the fourth national product，Liugong has nearly 30 loaders.、More than 20 types of Excavators、More than ten types of Bulldozers and a number of other types of construction machinery and equipment have completed the fourth national environmental protection record.，It is the largest number of national four certifications in the current industry.、Construction machinery enterprise with the most complete type spectrum。

Many customers have been one step ahead of others to start the fourth country.，Liugong's first batch of national four products put into the market has already exceeded 1000 working hours.。Judging from the feedback received，The fourth national equipment has achieved a qualitative improvement in emissions.，On product configuration and performance，There are also many differences and improvements with the third country.。

Three identification methods are simple and practical.

Pit Avoidance Guide

We all know that the fourth national standard is mainly applicable to 37.～560kWNon-road mobile machinery。37kWThe following power section（Excavator of 6 tons or less）The equipment，Technically, it is only necessary to further optimize the intake air.、The fuel injection system is sufficient.，Not much different from the third national standard。And 560kWAbove（More than 125 tons Excavator）Equipment execution time to be determined。

Post-processing observation method

It can be seen from the fourth national pollutant discharge limit table.，Mainly four key indicators——HC、CO、NOX、PMAnd so on，It also includesNH3、PN。To reduce the emission of these pollutants,，The post-processing system needs to be configured：DOC（Diesel oxidation catalyst），SCR（Selective catalytic reduction system）、DPF（Diesel particulate trap）Etc。Experts can identify it from the engine compartment and urea tank.。

Motor Vehicle environmental protection network inquiry method

According to the requirements of the Fourth National Standard，The fourth national aircraft must be thereVECC（Motor Vehicle environmental protection network）Publicize information，And obtain the unique code corresponding to the model，The code shall be installed on the Vehicle body in the form of nameplate.。Even a layman can inquire and identify whether it is the fourth national equipment through this channel.。

Query method

1、Sign in “ Motor vehicle environmental protection network：info.vecc.org.cn/ve/vin/indexf  ” Or scan the QR code below with your mobile phone。

2、Enter the mechanical environmental code（On the nameplate of the whole machine ）、Engine number（On the engine nameplate）Last 6 digits，And a verification code，You can officially inquire about the environmental protection information of the equipment purchased.，In the column of emission stage, there will be clear words of the fourth stage of the country.。

LOGOIdentification method

Please look for the body label of Liugong Guosi series products.。The four products of Liugong before October 2022 are all posted.T4 Labeling，After that, all of them are posted withG4 Labeling。

Full country four Full speed

Previous: Bauma 2022: "Wisdom" Takes the High-end Market, the First Day of BMW Exhibition of Zoomlion in Germany Explodes Popularity

Next: Fight for 40 hours! XCMG Concrete Machinery Creates a New Landmark in Nanjing