Excavator NK28 Product advantages:
1. QSB high pressure common rail electronic control engine, precise control of combustion, to ensure economy, strong power, low fuel consumption, low emissions;
2. The main pump of international famous brand, two variable plunger pump, can ensure all the separate and compound operation, adopt negative flow control system, with large flow and fast speed, and can change the output flow at any time according to the actual use condition;
3. The main valve of international famous brand has the functions of stick confluence, boom regeneration, rotary priority and linear travel circuit;
4. International famous brand or Zhongchuan axial piston motor with hydraulic brake and swing prevention valve, accurate positioning and long service life;
5. High strength steel plate with high strength and light weight is adopted.
Excavator NK28 Main parameters:
.Parameter | |||
Total mass (kg) | 20600 | Slewing speed (r/min) | 10.7 |
Bucket capacity (m3) | 0.93 | Traveling speed (low/high) (km/h) | 3.2/5.8 |
Maximum digging force (kN) | 145 | Average ground pressure (mm) | ---- |
2.Dimension | |||
Overall length (mm) | 9390 | Overall width (mm) | 2780 |
Overall height (mm) | 3040 | Boom length (mm) | --- |
Wheel track | 2100 | Stick length (mm) | --- |
wheelbase(mm) | ---- | Rear slewing radius (mm) | 3630 |
Maximum digging radius (mm) | 3630 | Maximum digging depth (mm) | 6515 |
Maximum discharge height(mm) | 6560 | - | - |
3.Engine | |||
Engine model | Commins | Number of cylinders - bore x stroke (mm) | ---- |
Engine type | four-stroke,turbocharged,inter-cooled | min fuel consumption rate | ---- |
Engine power (KW) | 124 | Maximum torque (N.m)/rotation speed (r/min) | ---- |
Rated rotation speed (r/min) | 2000 | Emission standard | GB 20891-2014 |