コマツ（小松製作所） PC 70

### KOMATSU PC70‑8 – Specifications #### 1. General - **Model**: Komatsu PC70‑8 (Crawler Excavator) - **Operating Weight**: **6,590 kg** (cab) - **Bucket Capacity (SAE heaped)**: **0.30–0.37 m³ (std)** - **Production Years**: 2012–2020 #### 2. Engine - **Brand / Model**: **Komatsu SAA4D95LE‑5** - **Type**: 4‑cylinder, water‑cooled, turbocharged, direct‑injection diesel - **Displacement**: **3.268 L** - **Rated Power (Gross)**: **50.7 kW / 68 HP @ 1,950 rpm** - **Rated Power (Net)**: **48.5 kW / 65 HP @ 1,950 rpm** - **Emission**: **EU Stage IIIA / Tier 3** - **Fuel Tank Capacity**: **120 L** #### 3. Hydraulic System - **Pumps**: 2 × variable‑displacement axial piston pumps - **System Pressure**: **313 bar** - **Max Flow**: **2 × 80 L/min = 160 L/min** - **Hydraulic Oil Tank**: **80 L** #### 4. Working Performance - **Max Digging Reach**: **6,360 mm** - **Max Digging Depth**: **4,100 mm** - **Max Dumping Height**: **5,015 mm** - **Bucket Breakout Force**: **54.8 kN** - **Arm Breakout Force**: **41.0 kN** - **Slewing Speed**: **12 rpm** - **Travel Speed**: **2.8 / 4.5 km/h** (low / high) - **Gradeability**: **35° (70%)** #### 5. Transport Dimensions (PC70‑8, std) - **Length**: **6,035 mm** - **Width**: **2,225 mm** (450 mm track shoes) - **Height (to cab top)**: **2,465 mm** - **Track Shoe Width**: **450 mm (std)** - **Ground Pressure**: **34.3 kPa** (450 mm shoes) #### 6. Undercarriage - **Track Type**: Heavy‑duty steel track - **Track Links**: **42** - **Sprocket / Idlers / Rollers**: Reinforced #### 7. Electrical - **System Voltage**: **12V** - **Battery**: 1 × 12V / 120Ah - **Alternator**: 12V / 60A #### 8. Standard Equipment - ROPS/FOPS cab with A/C - Air suspension seat - Auto‑idle - Safety valves on boom/arm cylinders - KOMTRAX telematics