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HOME | Machinery

DES-WK4B Mine-use Excavator


A.

The first 4m3 Excavator had been manufactured in 1961, now it is still running in Neimenggu Pingzhuang and playing its role

B.

4m3 Excavator early stage products: D-4 and WK-4 two series, on sale about 560 sets

C.

Dominant products of 4m3: WK-4A, WK-4B and WK-4C three types, on sale about 226 sets

WK-4B Mine-use Excavator is the third generation of WK-4 modified machine type, meantime absorbed the WK-10B technical advantages, and is also one of the dominant product of the 4m3 excavator, had been manufactured for about 40 sets, extensive used in metallurgic, coal etc. middle and small opencast mines for excavating and stripping works, as well as Petroleum, Chemistry, Hydro-power, Construction etc. earth/stone engineering

Technical Spec. of WK-4B

Nominal bucket volume

5m3

Main motor

250kW

Bucket volume range

4-6m3

Max. Excavating radius

14.8m

Lifting speed

0.885m/s

Max. Excavating height

10.765m

Pushing speed

0.53m/s

Max. Dumping radius

13.06m

Traveling speed

0.43km/h

Max. Dumping height

6.75m

Max. Lifting force 

450kN

Excavating depth

3.61m

Max. Pushing force 

225kN

Working weight

208t

Max. Crawling angle

12º

Theoretical productivity

720m3/h

Average bearing pressure 

245kPa

 

 

 

 
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