코벨코 SK 75

### KOBELCO SK75（English Specification） #### 1. Basic Data - **Model**: SK75 - **Machine Type**: Mini Excavator - **Operating Weight**: **7,230 kg** - **Bucket Capacity (ISO heaped)**: **0.40 m³** - **Bucket Options**: 0.28 / 0.32 / 0.40 m³ #### 2. Engine - **Model**: **YANMAR 4TNV98-AVYBNC** - **Type**: 4-cylinder, 4-stroke, water-cooled, turbocharged, direct injection diesel - **Rated Power**: - **41.8 kW @ 2,100 rpm** (ISO 9249) - **44.4 kW @ 2,100 rpm** (ISO 14396) - **Max Torque**: 211 N·m @ 1,600 rpm - **Fuel Tank Capacity**: **140 L** - **Emission Standard**: EU Stage IIIA / EPA Tier 3 #### 3. Hydraulic System - **Pumps**: 2 variable displacement piston pumps + 1 gear pump - **Max Flow**: 2×66 L/min + 1×18 L/min - **Relief Pressure**: - Boom/Arm/Bucket: **32.9 MPa** - Travel: 29.4 MPa - Swing: 24.5 MPa - **Hydraulic Oil Tank**: 67 L (System total: 107 L) #### 4. Performance - **Bucket Digging Force**: **52.7 kN** - **Arm Digging Force**: **39.4 kN** - **Travel Speed**: **2.6 / 5.0 km/h** - **Traction Force**: **71.5 kN** - **Swing Speed**: 11.5 rpm - **Gradeability**: 70% (35°) - **Ground Pressure**: 33.7 kPa (0.31 kgf/cm²) #### 5. Dimensions (mm) - **Overall Length**: 6,200 - **Overall Width**: 2,180 - **Overall Height**: 2,680 - **Track Width**: 450 (std) / 600 (opt) - **Track Gauge**: 1,870 - **Min. Swing Radius**: 1,790 #### 6. Working Range (m) - **Max Digging Reach**: 6.47 - **Max Digging Depth**: 4.17 - **Max Digging Height**: 7.39 - **Max Dumping Height**: 5.32