Sometime in late January 2024，Driving into a mountain in Fushan District, Yantai City，The early sunny air after the snow was filled with a cold smell.，The sky is as blue as a pure agate.，Transparent and fresh，Clouds of white clouds float among them.，The soft sunlight reflected the snow on the mountain.，One movement and one stillness make people relaxed and happy.。

Blue sky, white clouds and distant mountains，In a picturesque scene.，A bright yellow Komatsu excavator.，With the hard action of opening and closing.，Giant arms waving，It adds a different style to the scene.！

A mine in Yantai

KomatsuPC520LC-11M0 Excavator

Fighting in piles of stones of different sizes，KomatsuPC520LC-11M0 Excavator，Agitate a rock as hard as iron with a powerful bucket，It's like using your hands to smooth out the wrinkles on your clothes.，Even a huge stone weighing more than a thousand pounds.，They can all be arranged properly.。

Sufficient power、High efficiency“

“Sufficient power，It's strong，Be quick at one's work，Very efficient！”The operator said so about this one.PC520LC-11M0。

The reason why there is such a strong momentum.，Because this excavator is equipped withOriginal Imported New China IV Engine，Power rating increased to 270kW，And it carries a new electronic control system.，Better match between engine and pump；PlusKomatsuCLSSClose type central load sensing intelligent hydraulic system，Make the action of the whole machine respond quickly，Precise control，Effectively improve operation efficiency；In addition，PC520LC-11MThe large booms and sticks of the 0 are tough，The chassis is stable，Be able to cope with mine conditions easily。“

“It's also very good to drive.，Cab space is large，The seat is comfortable，The operation is worry-free，You won't feel tired even if you drive for hours.。And that cab has good seal performance.，Low noise，Air conditioning works well，It is not hot in summer，It's not cold in winter。””

The operator praised the excavator.，After all, I have to stay in the cab all the working time.，Therefore, the comfort of driving experience is of great concern to him.，And he takes great care of his car.，Change your shoes every time you get in and out of the cab.，For fear of getting it dirty.。

According to the person in charge of on-site management equipment, surnamed Wang.，The excavator was purchased at the end of April last year.，Work in two shifts per day，The average daily operation time is about 16 hours.。Although long-term high-load operation，But since it was put into use,，Performance has been very stable，Nothing has ever bothered him.。

Work“Quick, accurate and ruthless”“

“Our company began to buy Komatsu excavators when we built the factory in 2010.，Always satisfied。There were three before.PC450，Last year, I bought three more at one time.PC 520LC-11M0，It is mainly used for mining and shoveling operations.。””

In the words of Supervisor Wang.，Komatsu equipment“It's awesome”！All aspects of the performance are good.，The quality is excellent，It can be used for work.“Quick, accurate and ruthless”To describe。

“Although it is a mining operation.，But the fuel consumption is not high.，The average is 30.LCome out，I'm quite satisfied！Besides，Mine construction，The pursuit is to work fast.，We need a lot of work right now.！From this point of view,，The 520 performed very well.！”

For fuel consumption，Operators have more say。“Relative to this tonnage.，Fuel consumption is really not high.，Especially in fuel-efficient mode.，It can be two or three times lower.。In addition，Fuel consumption is also related to operating habits.，It's like driving a car.，Follow the rules，Smooth operation，Keep the rhythm，Relatively speaking, it will save fuel.。”

Sky Blue Cloud White Small Pine Yellow，Ling Han is busy breaking stones and digging gold.！In the bitter winter wind，Three KomatsuPC520LC-11MExcavators are working hard in this mine in Yantai.，It outputs surging energy day and night.！

As a 50-ton hydraulic excavator of Komatsu Kunio IV，PC520LC-11M0 heritage carries forward the excellent operation efficiency and fuel economy of its previous generation.，Designed for coal mining、Mine loading、Excavated from hard rock，It is believed that it will become the main equipment in more and more mining sites.！