China Wheel Loader Machine manufacturer

NK621 20t Crawler Mounted Construction Excavator Machine

Product Details:
Place of Origin: China
Brand Name: New Sky
Certification: ISO
Model Number: NK621
Payment & Shipping Terms:
Delivery Time: 25-30 work days
Payment Terms: L/C, D/P, T/T, Western Union

Detail Information

Weight: 20.6 Tons Engine: Cummins/Isuzu
Rated Power: 124/120 Travel Speed: 5.8/3.2 Km/h
Swing Speed: 10.7 Gradeability: 70%
Max. Dumping Height: 6560mm Max. Digging Depth: 6515
High Light:

Crawler Mounted Construction Excavator Machine


20t Construction Excavator Machine


NK621 Construction Excavator Machine

Product Description

20 Tons Construction Machinery Excavator NK621




1. High-end configuration·Excellent performance

NK621 is suitable for earth and stone construction projects such as municipal construction, highway bridges, housing construction, road engineering, farmland water conservancy construction, port construction and so on, it has features of good flexibility and maneuverability, low fuel consumption, high construction efficiency, large digging force, comfortable driving environment and wide range of application.

2. New generation·Environmental·Energy-saving·Large power engine

New generation environmental engine is adopted in this machine, which has both excellent environmental performance and large power, matched with ow fuel consumption design, operating costs are significantly reduced, and fuel consumption is reduced by 10% or less compared to previous generation of machine.

QSB high pressure common rail electronically controlled engine, precise control combustion, ensure economy, strong power, low fuel consumption, low emissions.


3. Pump : The main pump of international famous brand


The two-variable plunger pump, can ensure all single and compound operation, adopt the negative flow control system, the flow is large, the speed is fast, and can change the output flow at any time according to the actual use condition.

4. The main valve: International famous brand

It has the functions of the confluence of the bucket stem, the regeneration of the moving arm, the priority of turning and the linear walking loop.

5. Others: International famous brand or Zhongchuan axial piston motor with hydraulic brake, swing prevent valve, accurate positioning, long service life;Adopt high strength steel plate, high strength and light weight.




Weight Ton 20.6
Engine / Cummins/Isuzu
Rated Power Kw 124/120
Travel Speed km/h 5.8/3.2
Swing Speed r/min 10.7
Gradeability % 70
Boundary Dimension(Top of Boom) mm 9390*2780*3040
Bucket Digging Force Kn 145
Max. Cutting Height mm 9275
Max. Dumping Height mm 6560
Max. Digging Depth mm 6515
Max. Digging Reach mm 9865
Min. Front Swing Radius mm 3630


NK621 20t Crawler Mounted Construction Excavator Machine 0


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