小松 PC 400

### KOMATSU PC400 / PC400 – Technical Specifications (English) （Standard configuration, factory data） #### 1. Basic Data - **Model**: PC400 - **Type**: Crawler Excavator - **Operating Weight**: - PC400-8: **41,740–42,590 kg** - PC400LC-8: **42,290–43,200 kg** - **Standard Bucket Capacity**: **1.9 m³** (range: 1.8–2.1 m³) - **Counterweight**: **9,200 kg** #### 2. Engine - **Model**: **Komatsu SAA6D125E-5** - **Type**: 4-cylinder, water-cooled, 4-cycle, direct injection, turbocharged & aftercooled - **Displacement**: **11.04 L** - **Rated Power**: - Gross: **270 kW (362 HP) @ 1,900 rpm** - Net: **257 kW (345 HP) @ 1,900 rpm** - **Emission Standard**: **EU Stage IIIA / EPA Tier 3** - **Fuel Tank Capacity**: **650 L** #### 3. Hydraulic System - **System Type**: HydrauMind (closed-center, load-sensing) - **Main Pumps**: 2 × variable displacement piston pumps - **Max Flow**: **2 × 200 L/min = 400 L/min** - **System Pressure**: **34.3 MPa (343 bar)** - **Swing Speed**: **10.5 rpm** #### 4. Working Ranges (std. boom & arm) - **Max Digging Depth**: **7,790 mm** - **Max Ground Reach**: **12,005 mm** - **Max Dumping Height**: **7,625 mm** - **Max Digging Height**: **10,925 mm** - **Bucket Tear-out Force**: **196 kN** - **Arm Crowd Force**: **140 kN** #### 5. Travel Performance - **Max Travel Speed**: **5.5 km/h (High) / 3.0 km/h (Low)** - **Track Shoe Width (Std)**: **600 mm** (optional: 700/800 mm) - **Ground Pressure (Std Shoe)**: **68.6 kPa** - **Gradeability**: **35° (70%)** #### 6. Dimensions (mm) - **Transport Length**: **11,940** - **Transport Width**: **3,340** - **Transport Height**: **3,660** - **Tail Swing Radius**: **3,650 mm** #### 7. Capacities - **Hydraulic Tank**: **240 L** - **Engine Oil**: **28 L** - **Cooling System**: **35 L**