JINTAI SD25A Rotary Rig
Overview
| Model | SD25A | |
| Engine Model | Cummins QSL9-Tier 3 | |
| Overall Height (m) | 23.1 | |
| Self-weight (Ton) (w/o Tools) | 73 | |
| Engine Output (kW/rpm) | 242/2,100 | |
| Rotary Torque (kNm) | 250 |
Description
The SD25A is Jintai new model of rotary drilling rig, It is advanced hydraulic system to enhance the power efficiency, and also through optimum design to proper readjust the counterweight achieving the effective balance from pull down and pull up force and therefore improving the ability for penetration in rock formation.
Technical Specification
| Model | SD25A | |
| Overall Height (m) | 23.1 | |
| Rotary Torque (kNm) | 250 | |
| Max. Pile Diameter (mm) | 2,000 | |
| Max. Drill Depth (m) [Interlock/Friction] | 56/70 | |
| Self-weight (Ton) (w/o Tools) | 73 | |
| Crowd Cylinder Stroke (mm) | 5,680 | |
| Crowd Force (Push/Pull) (kN) | 250/250 | |
| Crowd Winch Stroke (mm) | 10000 | |
| Crowd Force (Push/Pull) (kN) | 250/250 | |
| Main Winch – Line Pull (kN) | 270 | |
| Rope Diameter (mm) | 30 | |
| Auxiliary Winch – Line Pull (kN) | 75 | |
| Rope Diameter (mm) | 18 | |
| Engine Model | Cummins QSL9-Tier 3 | |
| Engine Output (kW/rpm) | 242/2,100 |