Caterpillar 657E Twin Engine Scraper

[|NiA|KiM 277]

2 Cat 657 twin engine scrapers with auger, working in a lime quarry in Denmark
The front engine is a Caterpillar V12 3412 with arround 750Hp
The back engine is a Caterpillar V8 3408 with arround 550Hp.

[|NiA|KiM 277]

One of the big Cat 657E scrapers working in the lime quarry

[|NiA|KiM 277]

One more video with the big Cat 657 twin engine scrapers with auger, working in a lime quarry in Denmark

 

[MaschBauer 22]

Thank you, very interesting

can you explain me how the hopper works?

The "normal" scrapers fill over the forward speed, but with auger?

Did they have a moving back panel like the "normal" scrapers?

 

Thanks

Bernd