Mining crawler excavator is used for the exploitation of opencast mine and rock to load ore into delivery equipment, and also for stacking and loading operations.
With modern technology and equipment, rich experience, and according to the world development trend of mine exploitation and transportation, the factory produced a new series of mine power excavator with bucket capacity of 4, 8,10,12, 20, 27, 35 и 55 m3.

Main production

Excavator WK-4А , WK-4В, WK-4С are improved models of WK-4 and also its leading products, which are widely used in the small opencast mine of metallurgy and coal etc., and oil, chemical and hydropower industry.

Bucket capacity: 4М3 -6М3

Main motor power: 250Kw

Excavator WK-10B

WK-10B is the third generation improved model of WK-10 and also the current leading product of 10m3excavator, which ever won the National Gold and Technology Progress Award. Buck capacity of this excavator has 5 kinds of 10m3, 12m3, 14m3, 10m3 flat-type and 12m3 flat-type for users to choose, which are suitable for millions ton of large scale opencast mine extraction and earth work projects of building materials, hydropower and petrochemical etc., best for together use with 100-154 loaded truck and for a minimun working temperature of -45℃.

Excavator WK-27 and WK-35c are produced with modern design methods of three-dimensionalsimulation and finite elementanalysis. 

l           High efficient loading, reducing unit production cost

l           PLC site distributed control, AFE three-level control system of frequency conversion.

l           Allowed range of voltage fluctuation.

l           Friendly interface, fault self-diagnosis and operation status display, materials weighing.



Bucket capacity (m3)

Matching truck load (t)

Maximum loading radius (m)

Maximum unloaded radius (m)












WK-55 mining excavator is a large equipment for open-pit mine exploitation, which adopts modern imported components, production and control technology.

Bucket capacity: 36m3 -76m3

Main motor power: 2x1000Kw

Matching truck tonnage: 172-320t



         Excavator 6-20м3                                WK-8 bucket capacity 6.3-10м3


WK-12 bucket capacity 10-16м3   WK-20 bucket capacity 16-34м3


Address: Oriental Plaza 1 East Chang An Avenue,Dongcheng District, Beijing  Postal Code: 100738
Tel :+86-10-85189696 Fax :+86-10-85153552

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