Komatsu PC 55 MR

### KOMATSU PC55MR‑5 – Specifications #### 1. Basic Information - **Model**: Komatsu PC55MR‑5 - **Type**: Compact Crawler Hydraulic Excavator - **Manufacturer**: Komatsu (Japan) - **Operating Weight**: - Canopy: **5,140 kg** - Cab: **5,260 kg** - **Standard Bucket Capacity**: **0.15–0.18 m³** - **Track Width**: **400 mm** #### 2. Engine - **Model**: Komatsu **4D88E‑7** - **Type**: Water‑cooled, 4‑cycle, direct injection, turbocharged - **Power**: - Gross: **29.1 kW / 39 HP @ 2,400 rpm** - Net: **28.3 kW / 38 HP @ 2,400 rpm** - **Displacement**: **2.189 L** - **Emission**: **EPA Tier 4 Final / Euro 4** #### 3. Performance - **Max Digging Reach**: **6,220 mm** - **Max Digging Depth**: **4,130 mm** - **Max Dumping Height**: **4,540 mm** - **Bucket Digging Force**: **42.8 kN** - **Arm Digging Force**: **32.5 kN** - **Travel Speed (High/Low)**: **4.6 / 2.8 km/h** - **Swing Speed**: **9 rpm** - **Gradeability**: **35° (58%)** - **Ground Pressure**: **33.5 kPa** #### 4. Transport Dimensions (L×W×H) - **Length**: **5,550 mm** - **Width**: **1,960 mm** - **Height**: **2,550 mm** #### 5. Hydraulic System - **Main Pump**: Variable displacement piston pump - **Max Flow**: **140.8 L/min** - **Relief Pressure**: **24.5 MPa** - **Aux. Hydraulic Flow**: **75 L/min** (for breaker) #### 6. Capacities - **Fuel Tank**: **65 L** - **Hydraulic Tank**: **58 L** #### 7. Standard Equipment - ROPS/FOPS Cab or Canopy - Dozer blade - Steel tracks (400 mm) - Auxiliary hydraulic lines (hammer circuit) - CE / EPA certified