コマツ（小松製作所） PC 70

### KOMATSU PC70 – Technical Specifications (English) #### 1. Basic Data - **Model**: PC70 - **Type**: Crawler Excavator - **Operating Weight**: **7,000 kg** (7 t) - **Standard Bucket Capacity**: **0.30 m³** (range: 0.28–0.38 m³) - **Counterweight**: **1,600 kg** #### 2. Engine (PC70-8) - **Model**: **Komatsu SAA4D95LE-5** - **Type**: 4-cylinder, water-cooled, 4-cycle, direct injection, turbocharged & aftercooled - **Displacement**: **3.26 L** - **Rated Power (Gross)**: **50.7 kW (68 HP) @ 1,950 rpm** - **Rated Power (Net)**: **48.5 kW (65 HP) @ 1,950 rpm** - **Emission Standard**: **Stage IIIA / Tier 3** #### 3. Hydraulic System - **Main Pumps**: 2 × variable displacement piston pumps - **Max Flow**: **2 × 80 L/min = 160 L/min** - **System Pressure**: **24.5 MPa (245 bar)** - **Swing Speed**: **11.5 rpm** #### 4. Working Ranges (std. boom & arm) - **Max Digging Depth**: **3,900 mm** - **Max Ground Reach**: **6,360 mm** - **Max Dumping Height**: **4,925 mm** - **Bucket Tear-out Force**: **51 kN** - **Arm Crowd Force**: **37 kN** #### 5. Travel Performance - **Max Travel Speed**: **5.5 km/h (High) / 2.8 km/h (Low)** - **Track Shoe Width (Std)**: **500 mm** - **Track Length on Ground**: **2,170 mm** #### 6. Dimensions (mm) - **Transport Length**: **6,460** - **Transport Width**: **2,320** - **Transport Height**: **2,660** - **Tail Swing Radius**: **1,850 mm** #### 7. Capacities - **Fuel Tank**: **150 L** - **Hydraulic Tank**: **90 L** - **Engine Oil**: **11 L**