r/machinesinaction • u/Bodzio1981 • 19d ago

Komatsu PC 8000 large mining excavator on the move

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335 Upvotes

99% Upvoted

17 comments sorted by

25

u/EffingBarbas 19d ago

Wouldn't it be faster to transform and walk to the location where it is needed?

11

u/el_don_almighty2 19d ago

Ground pressure…

Walking mode only works in paved areas like cities and populated areas where you can crush cars and small objects on concrete which can withstand the weight of the shovel.

If it stands up and waves its arms on the dirt, the feet dig into the soft soil and it might get stuck creating vulnerability.

‘Natch

🤔

3

u/EffingBarbas 19d ago

So soft soil could become the Achilles Heel that hamstrings the mighty Transformer? Good to know. Proving once again that every day is a school day in the Reddit Comments!

2

u/threedubya 19d ago

That one had a big wheel.

7

u/Ambitious-Pirate-505 19d ago

Our only defense against dinosaurs

5

u/PurpD420 19d ago

Whats that it’s dragging, an umbilical cord?

12

u/threedubya 19d ago

Many of these units are electrical driven. They are attached to external power to make maintenance easier

6

u/Either_Amoeba_5332 19d ago

So you think that's 110 or 220? Hope they got it on a GFCI for osha! /s

6

u/Slogstorm 19d ago

The Earth.

2

u/GeneralBlumpkin 19d ago

That's the power

3

u/toombayoomba 19d ago

An here I am, digging with my PC-05 6 in my backyard.

2

u/Potential4752 19d ago

It’s really strange how it rotates the tracks while the rest of the machine remains stationary. Does anyone know what is going on there?

4

u/LefsaMadMuppet 19d ago

My guess would be that the digger is stabilized like a tank turret so that when turning there isn't a risk of swinging the bucket around and launching something into low earth obit, like a pick-up truck.

0

u/Potential4752 19d ago

I don’t think that’s it. It appears to be digging the bucket in when it does the turns, so it isn’t automatically stabilized. 

I’m wondering if it can’t turn under full load or if turning under full load would chew up the ground too much. 

3

u/LateSpecimen 18d ago

It's using the bucket to help pivot. Often called a jump turn or bucket pivot. You see it used on smaller ones a lot and they pretty much lift the front of it up to help turn the tracks without digging into the ground too much of making a mess. This things so huge though you don't see much change in the tracks but it'd be taking a lot of pressure off the tracks which should allow for more twisting.

2

u/Potential4752 18d ago

Neat, thanks. 

1

u/kveggie1 17d ago

Next time do a better job videoing. Landscape, do you know what that is?