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| Maker | NIPPON SHARYO |
|---|---|
| Type | -- |
| Model | NH-20 |
| Year | -- |
| Ram mass | 2.0 t |
| Maximum ram stroke (equivalent to free fall) | 1.6 m |
| Maximum striking energy | 31.4 [3.2] kN・m〔tf・m〕 |
| Number of hits | 30～90 回/分 |
| Batting direction | 鉛直 kN・m〔tf・m〕 |
| Total mass | 5400 t |
| Dimension L | 4470 x φ830 mm |
| Dimension Lxφ | φ200-350 mm |
| Applicable pile diameter Concrete | φ300-400 m |
| Applicable pile diameter Steel pipe | NHP-100E m |
| Hydraulic unit type | 日野W04C-TS |
| Motor type | 148 |
| Flow rate | 18.1 lit./min |
| pressure | 2.5 MPa |
| Dimension L | 3060 m |
| Dimension W | 1100 m |
| Dimension H | 1700 m |
| Total mass | t |