Zhengzhong Technology Industrial Co. , Ltd.，
To survive in good faith, to quality and development
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Zoomlion 220 Torque Rotary Drilling Rig ZR220A
A classic model that dominates the market, with stable performance and reliable quality.
Strong construction capacity due to rotary drive with large torque.
High construction efficiency due to big flow main pump and multi-gear rotary drive.
Strong ability due to the front main winch, the center of gravity moving forward more effective push crowd force.
22 items self auto-check , safety and performance monitoring.
New generation cab with better vision, more comfortable operation, new electrical control panel. 360 degree full view monitoring.
Option: Spin-off
| NAME | SPEC. | |
|---|---|---|
| Torque(KN.M) | 220 | |
| Drilling Diameter(mm) | 2000 | |
| Drilling Depth(m) | inter-locking | 48 |
| Friction | 60 | |
| Drilling Speed(r/min) | 7~26 | |
| Engine Model | Cum-mins QSL9 | |
| Rated Power(kw) | 242 | |
| Rated Engine Speed(r/min) | 2000 | |
| Max.Crowd Force(kN) | 180 | |
| Max.Crowd Cylinder Pull(kN) | 200 | |
| Line Pull(main winch)(kN) | 200 | |
| Line Speed(main winch)(m/min) | 63 | |
| Line Pull(aux.winch)(kN) | 90 | |
| Line Speed(aux.winch)(m/min) | 66 | |
| Operating Mass(t) | 73 | |
| Traction Force(kN) | 423 | |
| Rope diameter(Main winch)(mm) | 28 | |
| Rope diameter(auxiliary winch)(mm) | 22 | |
