Hydraulic Crawler Cranes(Conventional model)
7120
Main Specifications (Model: 7120-1F)
| Crane Boom | Max. Lifting Capacity | 120 t × 5.0 m | |
|---|---|---|---|
| Max. Length | 61.0 m | ||
| Long Boom | Max. Lifting Capacity | 24 t × 16.0 m | |
| Max. Length | 79.2 m | ||
| Fixed Jib | Max. Lifting Capacity | 12 t × 28.0 m | |
| Max. Combination | 61.0 m + 30.5 m | ||
| Tower Jib | Max. Lifting Capacity | 20 t × 15.0 m | |
| Max. Combination | 51.7 m + 44.2 m | ||
| Tower Angle | 60 – 90 degree | ||
| Main & Aux. Winch |
Max. Line Speed | 120 m/min (1st layer) | |
| Rated Line Pull (Single Line) |
118 kN {12.0 tf} | ||
| Wire Rope Diameter | 26 mm | ||
| Wire Rope Length | Crane | 275 m (Main) 255 m (Aux.) | |
| Tower | 290 m (Main) 145 m (Aux.) | ||
| Brake Type | Spring set hydraulically released(Negative) | ||
| Free-Fall Brake Type | Wet-type multiple disc brake (Optional) | ||
| Working Speed | Swing Speed | 2.1 min-1 {rpm} | |
| Travel Speed | 1.3 / 0.9 km/h | ||
| Power Plant | Model | HINO P11C-UN | |
| Engine Output | 247 kW / 2,000 min-1 {rpm} | ||
| Fuel Tank Capacity | 400 liters | ||
| Hydraulic System | Main Pumps | 4 variable displacement | |
| Max. Pressure | 31.9 MPa {325 kgf/cm2} | ||
| Hydraulic Tank Capacity | 535 liters | ||
| Weight | Operating Weight* | Approx. 120 t | |
| Ground Pressure* | 94 kPa {0.96 kgf/cm2} | ||
| Counterweight | 52.3 t | ||
| Transport Weight** | Approx. 36.8 t | ||
Units are SI units. { } indicates conventional units.
* Including upper and lower machine, 52.3 ton counterweight, basic boom, hook, and other accessories.
** Base machine with boom base, gantry, carbody, lower spreader and upper spreader.
(Unit: mm)
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