小松 PC 55 MR

### KOMATSU PC55MR – Specifications (English) #### 1. Basic Data - **Model**: Komatsu PC55MR (Mini Crawler Excavator, Zero Tail Swing) - **Operating Weight**: 5,160 kg (canopy / rubber tracks) - **Bucket Capacity**: 0.16 m³ (heaped, JIS standard) - **Standard Bucket Width**: 600 mm (with side cutters) - **Origin**: Japan #### 2. Dimensions (mm) – Standard Configuration - **Transport Length**: 5,550 - **Transport Width**: 1,960 - **Transport Height (Canopy)**: 2,550 - **Track Shoe Width**: 400 (rubber track) - **Tail Swing Radius**: 990 #### 3. Engine - **Model**: Komatsu 4D88E-6 (water-cooled, 4-cylinder diesel) - **Rated Power (Net)**: 28.5 kW (38 hp) @ 2,400 rpm - **Displacement**: 2.19 L - **Emission Standard**: EU Stage IIIA / Tier 3 #### 4. Performance - **Max. Digging Depth**: 3,800 mm - **Max. Ground Reach**: 6,070 mm - **Max. Dumping Height**: 4,230 mm - **Bucket Breakout Force**: 39 kN - **Travel Speed (Low/High)**: 2.7 / 4.6 km/h - **Swing Speed**: 9 rpm - **Gradeability**: 30° (58%) #### 5. Hydraulic System - **Main Pumps**: 2 × Variable Displacement Pumps - **Max Flow**: 2 × 40 L/min = 80 L/min - **Auxiliary Hydraulic Flow**: ~40 L/min - **Relief Pressure**: 24.5 MPa #### 6. Capacities - **Fuel Tank**: 65 L - **Hydraulic Oil Tank**: 70 L