Komatsu PC 78 US

### KOMATSU PC78US‑8 (Crawler Excavator) – Specifications #### 1. Basic Data - **Model**: PC78US‑8 - **Operating Weight**: **6,945–7,535 kg** - **Bucket Capacity (SAE heaped)**: **0.09–0.34 m³** (standard 0.28 m³) - **Track Width**: **450 mm** (standard) #### 2. Engine - **Model**: **Komatsu SAA4D95LE‑5** - **Rated Power**: **41 kW (55 HP) @ 1,950 rpm** (net) - **Emission Standard**: **Stage IIIA / Tier 3** #### 3. Working Performance - **Max Digging Depth**: **4,710 mm** - **Max Horizontal Reach**: **6,920 mm** - **Max Dumping Height**: **5,550 mm** - **Bucket Digging Force**: **62.5 kN** - **Arm Digging Force**: **35.2 kN** - **Swing Speed**: **10 rpm** #### 4. Travel System - **Max Travel Speed**: **5.0 / 2.7 km/h** (high/low) - **Gradeability**: **30°** #### 5. Transport Dimensions (L×W×H) - **Length**: **5,770 mm** - **Width**: **2,330 mm** - **Height**: **2,730 mm** #### 6. Fuel & Hydraulics - **Fuel Tank Capacity**: **125 L** - **Main Hydraulic Flow**: **120 L/min**