코벨코 7050

### **General** - **Model**: Kobelco 7050G-2 (Mastertech) - **Max. Rated Lifting Capacity**: **50 t × 3.8 m** (50 ton at 3.8 m radius) - **Boom Type**: Lattice boom - **Type**: Crawler crane ### **Boom Length & Jib** - **Main Boom Length**: **9.1 m – 51.8 m** - **Fixed Jib (Optional)**: 9.1 m / 12.2 m / 18.3 m - **Luffing Jib (Optional)**: 12.2 m – 39.6 m - **Max. Combination (Boom + Jib)**: - 42.7 m + 12.2 m - 39.6 m + 18.3 m ### **Working Range** - **Min. Radius**: 3.8 m - **Max. Radius (full boom)**: approx. 46 m - **Max. Lift Height (main boom)**: approx. 52 m ### **Performance** - **Main Hoist Speed**: 120 – 3 m/min - **Aux Hoist Speed**: 120 – 3 m/min - **Boom Hoist Speed**: 70 – 2 m/min - **Slewing Speed**: 4.5 rpm - **Travel Speed (high/low)**: 2.3 / 1.5 km/h - **Gradeability**: 40% (21.8°) - **Ground Pressure (basic)**: 65 kPa (0.66 kgf/cm²) - **Rated Line Pull**: 68.6 kN (7.0 tf) ### **Engine** - **Make/Model**: Hino J08E-YD (diesel) - **Rated Output**: **213 kW at 2100 rpm** ### **Weights** - **Operating Weight (basic)**: **48 t** - **Counterweight**: **17.5 t** (standard) - **Wire Ropes**: - Main/Aux hoist: Φ22 mm - Boom hoist: Φ16 mm ### **Transport Dimensions (Upper, crawlers removed)** - **Length**: 7,910 mm - **Width**: 3,390 mm - **Height**: 3,300 mm ### **Crawler Dimensions** - **Length**: 6,100 mm - **Width (each)**: 1,100 mm - **Height**: 1,200 mm