코벨코 SK 55 SR

### KOBELCO SK55SR(Mini Excavator) – English Specifications (Standard version, canopy/cab, rubber tracks) #### 1. Basic Data - **Model:** KOBELCO SK55S - **Operating Weight:** **5,100 kg** (cab) / **4,980 kg** (canopy) - **Bucket Capacity (SAE heaped):** **0.15 m³** (std) - **Emission Standard:** **Stage V / Euro 5** - **Country of Origin:** Japan #### 2. Engine - **Model:** **YANMAR 4TNV88C‑PYBV** (4‑cyl, water‑cooled, diesel) - **Rated Power:** **29.1 kW @ 2,400 rpm** (39.0 hp, ISO 14396) - **Displacement:** **2.189 L** - **Fuel Tank Capacity:** **75 L** #### 3. Working Performance - **Max Digging Depth:** **3,520 mm** - **Max Digging Radius (Ground):** **5,500 mm** - **Max Dumping Height:** **4,100 mm** - **Bucket Breakout Force:** **35.2 kN** - **Arm Breakout Force:** **24.6 kN** - **Swing Speed:** **8.5 rpm** - **Travel Speed (High/Low):** **4.0 / 2.2 km/h** - **Ground Pressure:** **28.4 kPa** (rubber tracks) #### 4. Undercarriage & Dimensions - **Track Shoe Width (std):** **400 mm** (rubber) - **Transport Dimensions (L × W × H):** **5,500 × 1,960 × 2,530 mm** - **Tail Swing Radius:** **1,270 mm** #### 5. Hydraulics - **Pumps:** 2×variable + 1×gear pump - **Max Flow:** 2×49.9 + 1×33.8 L/min - **Relief Pressure:** **23.0 MPa** - **Hydraulic Tank Capacity:** **57.7 L** (system)