BX-350S Water well drilling rig，7.7TON,400M
| technical parameters | unit | BX350S |
| Maximum depth | M | A 219 drill bit can drill up to 400 meters. |
| Max drilling diameter | mm | 105-305 |
| Rod length | M | 6 |
| Rod diameter | mm | 76/89/102 |
| Power head stroke | M | 6.6 |
| Winch lifting force | T | 1.5 |
| Lifting force | T | 16 |
| Max rotary torque | Nm | 8800 |
| Max rotary speed | r/min | 100 |
| Power head motor | HMV8K630 | |
| Engine model | Yuchai110，four-cylinder | |
| Oil pump model | 50/50/25gear pump | |
| Leg oil cylinder travel | 1.5m | |
| Walk | TM09 Travel Motor， equipped with steel tracks | |
| Moving speed | 2.5km/h | |
| Boundary dimension | 3600*1700*2400mm | |
| Whole unit weight | 7.7t | |
| Valid loading size | 2.7m 2.55m | |
| Adaptation conditions | unconsolidated layer and bedrock | |
| Drilling method and optional accessories | Hydraulic rotation and propulsion, down-the-hole (DTH) hammer or mud drilling, mud pump, centrifugal pump, generator with pulley, foam pump, dust-proof pump | |
| Recommended air compressor | Kaishan 31-25 | |
| The above drilling depth requires sufficient air compressor displacement and pressure, as well as normal terrain. | ||
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