JK860 Hydraulic Rotary Water Well Drilling Rig 860mm Rotary Table for Deep Borehole Engineering
JK860 Hydraulic Rotary Water Well Drilling Rig
The JK860 is the heavy-duty successor to the JK850, rated for 1000-meter water well and borehole projects. The 860mm through-hole rotary table generates 50KN.m torque — a 47% increase over the 850 model — making it suitable for deeper formations and larger casing diameters.
Power and Drive
Powered by a 132KW Y315M-6 electric motor or 1213BZLD diesel engine. The four-speed gearbox delivers 40, 80, 125, and 260 r/min in both forward and reverse. The 108*108mm square kelly bar handles high-torque drilling without twisting.
Hoisting and Mast
Main hoist rated at 100KN single-rope pull, auxiliary at 60KN. The 55-meter mast clears 6-meter pipe sections with working headroom. Swivel lifting capacity is 100 tons for deep-hole tool strings. JKN-6 or BS500 series mud pump options available to match hole cleaning requirements.
Technical Specifications
| Model | JK860 |
| Drilling Depth | 1000 m |
| Drilling Diameter | 105 - 600 mm |
| Rotary Table Through Hole | 860 mm |
| Rotary Table Torque | 50 KN.m |
| Rotary Table Speed (Forward) | 40 / 80 / 125 / 260 r/min |
| Rotary Table Speed (Reverse) | 40 / 80 / 125 / 260 r/min |
| Main Hoist Capacity | 100 KN (single rope) |
| Auxiliary Hoist Capacity | 60 KN (single rope) |
| Swivel Lifting Capacity | 100 T |
| Mast Height | 55 m |
| Power - Electric Motor | Y315M-6, 132 KW |
| Power - Diesel Engine | 1213BZLD |
| Mud Pump Options | JKN-6 / BS500 Series |
| Drill Pipe (Round) | 89 / 114 / 127 / 159 / 168 mm |
| Kelly Bar | 108 * 108 mm Square |
| Drill Pipe Length | 3 m / 6 m |
| Base Type | Skid-mounted (crawler optional) |
| Machine Weight | 57,000 kg |
Key Features
- 860mm through-hole rotary table accepts large casing and drilling tools
- 50KN.m torque handles hard rock formations at depth
- 132KW motor or diesel — dual power for fixed or remote sites
- 55-meter mast handles 6-meter drill pipes with clearance for tool handling
- 100KN main hoist and 100T swivel rated for deep hole tool strings
- Skid-mounted base with optional crawler tracks for repositioning between boreholes
- JKN-6 or BS500 mud pump matched to 1000m hole cleaning
Typical Applications
- Municipal and agricultural deep water supply wells
- Geothermal heat exchange boreholes for large-scale installations
- Deep geological survey and mineral exploration
- Mine dewatering and construction site drainage wells
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.