コマツ（小松製作所） PC 40 MR

# KOMATSU PC40MR-2 Technical Specifications - **Machine Type**: Zero-tail-swing Crawler Hydraulic Mini Excavator - **Operating Weight**: 4790 kg (cab + steel track) - **Bucket Capacity**: 0.16 m³ (ISO heaped) - **Swing Speed**: 9.5 rpm - **Max Travel Speed**: 2.7‑4.6 km/h - **Ground Pressure**: 32.0 kPa ## Engine - **Model**: Komatsu 4D88E-5, 4‑cylinder vertical water-cooled naturally aspirated diesel - **Rated Net Power**: 29.4 kW @2200 rpm - **Displacement**: 2189 cc (2.189 L) - **Emission Standard**: Stage II / Euro 2 - **Fuel Tank Capacity**: 65 L ## Hydraulic System - **Main Pump**: Dual variable‑displacement axial piston pump - **Total Max Flow**: 112 L/min - **Bucket Digging Force**: 42 kN - **Arm Digging Force**: 26 kN - **System Relief Pressure**: 24.5 MPa ## Working Range - **Max Digging Depth**: 3870 mm - **Max Ground Reach**: 5690 mm - **Max Dumping Height**: 3920 mm ## Transport Dimensions (L×W×H) - **Length**: 5400 mm - **Width**: 1960 mm - **Height**: 2550 mm ## Undercarriage - **Track Shoe Width**: 400 mm - **Track Gauge**: 1560 mm