TYHI’s WK series excavators are heavy-duty equipment used for open-pit mining. Their development came about through a combination of years of experience manufacturing mining shovels, implementation of advanced technology and design from home and abroad. They are suitable for both stripping and excavating open-pit coal mines, iron mines and ferro-metal mines.

WK series excavators boast a number of state-of-the-art features such as three-dimension imitation and definite circle analysis. They are notable for their performance and ability to be used with a variety of haul trucks and crush stations to better satisfy users’ requirements for higher loading and lower production costs.

Our excavators’ electric system uses a rectifier/regeneration communal DC bus-bar and variable frequency speed adjustment system. The electric control, with PLC at its core, is a 3-stage system of up-position monitoring, field bus and frequency variable speed control. It causes not disturbance to the power grid, allowing a wider range of power voltage fluctuation and high power factor. The system is loaded with software to optimize the dig/cut curve and automatically optimize the hoist and dig power distribution. The system automatically troubleshoots, displays status, and calculates electric power. This system has the advantages of state-of-the-art technology, reliable operation; high transmission efficiency and low power consumption.WK-35 excavators are designed to be used in combination with mining trucks with a capacity of 172MT to 326MT.

Technical characteristics:

• Gear-rack crowding, powerful penetration, highly efficient;

• Gear transmission uses gears of high hardness surface for durability;

• Uses a planet reducer for the swing and propel mechanism;

• Propel has a high hand drive for added durability;

• Air release spring disk brakes.

Technical Spec. of WK-35

Normal bucket volume


Main motor


Scope of bucket volume


Max. Excavating Radius


Lifting speed


Max. Excavating Height 


Pushing speed


Max. Dumping Radius


Traveling speed


Max. Dumping Height


Max. Lifting force


Excavating Depth


Max. Pushing force 


Working weight 


Max. Crawling angle


Theoretical Productivity


WK-35 at Zhunge’er

WK-35 at Datang

WK-35 in Russia


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