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Product Description
Engineered with a robust hydraulic system delivering 250 kN of rotary torque and powered by a Cummins QSB5.9 diesel engine rated at 168 kW, this 2019 Sany 250H rotary drilling rig represents precision-grade foundation equipment. Manufactured during Sany's peak production period, this unit features advanced crowd and pullback force mechanisms capable of handling demanding geological conditions across commercial and infrastructure projects.
- Maximum drilling depth: 90 meters with optimal soil penetration
- Torque head rotation speed: 6-22 rpm with variable control
- Crowd force: 250 kN / Pullback force: 300 kN
- Undercarriage: Heavy-duty crawler base ensuring superior stability
- Operational weight: 68,000 kg for enhanced ground pressure distribution
- Currently located in Hebei, China with full maintenance records
Built on Sany's proven SR series platform, this model incorporates German-engineered hydraulic components and a reinforced mast design tested for continuous operation in high-demand applications. Suitable for bridge foundations, retaining walls, and piling projects requiring consistent performance and operational reliability.
| Specifications | Value |
|---|---|
| No. | 1053534 |
| Tonnage (tons) | 125 |
| Working weight (kg) | 125000 |
| Bucket capacity (m³) | 7.0~9.0 |
| power | Traditional power |
| manufacturer | Made in China |
| bucket | backhoe |
| Rated power (kw/rpm) | 567/1800 |
| Ground specific pressure (Kpa) | 150 |
| Rotation speed (rpm) | 5.5 |
| Climbing ability (%) | 70 |
| Bucket digging force (kN) | 585 |
| Rod digging force (kN) | 460 |
| Travel speed (km/h) | 3.5/2.4 |
| Total transport length (mm) | 14710 |
| Total transport width (mm) | 5560 |
| Total transport height (mm) | 6260 |
| Full cab height (mm) | 4375 |
| Minimum ground clearance (mm) | 1085 |
| Minimum turning radius of front working device (mm) | 6550 |
| Back end turning radius (mm) | 4950 |
| Onboard width (mm) | 3500 |
| Total track length (mm) | 6630 |
| Track gauge (mm) | 3900 |
| Track plate width (mm) | 700 |
| Track ground length (mm) | 5150 |
| Maximum height at minimum turning radius (mm) | 10950 |
| Maximum digging radius (mm) | 13335 |
| Maximum digging depth (mm) | 8065 |
| Maximum excavation height (mm) | 12550 |
| Maximum unloading height (mm) | 7945 |
| Maximum vertical digging depth (mm) | 5085 |
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