Hydraulic Crawler Cranes(Conventional model)
7070
Main Specifications (Model: 7070-1F)
| Performance | Crawler crane | Luffingtower | |
|---|---|---|---|
| Maximum lifting capacity | 70 t × 4.0 m | 13 t × 12.0 m | |
| Rear drum | 9.1 m ~ 54.9 m | 21.3 m ~ 42.7 m | |
| Jib (tower jib) length | 6.1 / 12.2 / 18.3 m | 18.3 m ~ 30.5 m | |
| Maximum boom (tower) length+jib (tower jib) length |
45.7 m + 12.2 m | 42.7 m + 30.5 m | |
| 42.7 m + 18.3 m | |||
| Line speed | Front drum hoisting/lowering | *120 ~ 3 m/min | |
| Rear drum (tower jib) hoisting/lowering | *120 ~ 3 m/min | ||
| Third (optional) hoisting/lowering | *120 ~ 3 m/min | ||
| Boom (tower) hoisting/lowering | *70 ~ 2 m/min | ||
| Swing speed | 4.0 min-1 {4.0 rpm} | ||
| Travel speed | *1.9 / 1.2 km/h | ||
| Operating weight (basic position) | 71.1 t | 75.6 t | |
| Ground pressure (basic position) | 80 kPa {0.81 kgf/cm2} | 85 kPa {0.86 kgf/cm2} | |
| Gradability (tanΘ) | 40 % (21.8 degree) | - | |
| Rated line pull | 68.6 kN {7.0 tf} | - | |
| Engine | |||
| Type | Mitsubishi 6D16-TLE2A | ||
| Rated power | 147 kW / 2,000 min-1 {200 PS / 2,000 rpm} |
||
| Wire rope diameter | |||
| Front drum | ø 22 mm | ||
| Rear drum | ø 22 mm | ||
| Third drum (optional) | ø 22 mm | ||
| Boom (tower) winch | ø 16 mm | ||
The units are SI units under the international unit system and the units indicated within { } are traditional ones.
Line speeds based on single line, no load and first layer of rope drum.
Speeds marked with an asterisk (*) are the values under light loads and they vary depending on loads.
Specifications are subject to change without notice.
(Unit: mm)
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