コマツ（小松製作所） PC 55 MR

KOMATSU PC55MR Short Tail Mini Excavator Specification 1. Basic Machine Data Model: Komatsu PC55MR Short Radius Compact Crawler Excavator Standard Operating Weight (Cabin + steel track + full fluids + dozer): 5160 kg Standard Heaped Bucket Capacity: 0.16 m³ Optional Bucket Range: 0.055 ~ 0.175 m³ Standard Track Shoe Width: 400 mm triple grouser steel track Dozer Blade Dimension: 1960 mm (W) × 360 mm (H) Fuel Tank Capacity: 65 L Hydraulic Oil Tank Capacity: 70 L Minimum Rear Tail Swing Radius: 1060 mm 2. Engine System Engine Manufacturer: Komatsu Engine Model: 4D88E-6, 4-cylinder inline water-cooled naturally aspirated direct injection diesel engine Displacement: 2188 cc (2.188 L) Net Rated Power (ISO 9249): 28.5 kW @ 2400 rpm Max Torque: 135 N·m @ 1600 rpm Air filter: Dual-stage dry type with pre-cleaner 3. Hydraulic System (CLSS Closed Load Sensing System) Main Pumps: 2 variable displacement axial piston pumps Total Main Pump Max Flow: 140.8 L/min Auxiliary Hydraulic Max Flow: 70 L/min Main System Working Pressure: 26.5 MPa Swing Circuit Pressure: 21.6 MPa Standard auxiliary piping for hydraulic breaker, auger, log grapple Boom & arm cylinder safety holding valves equipped Straight travel circuit for smooth simultaneous compound operation 4. Working Performance Parameters (Unit: mm) Max Digging Depth: 3800 Max Vertical Wall Digging Depth: 3020 Max Ground Digging Radius: 6220 Max Dumping Height: 4230 Max Digging Height: 5945 Bucket Breakout Force: 39.0 kN Arm Breakout Force: 27.5 kN Travel Speed (Low / High): 2.8 / 4.6 km/h Max Travel Speed: 4.6 km/h Swing Speed: 9.0 rpm Boom Swing Angle: Left 85° / Right 55° Gradeability: 30° (58%) Minimum Ground Clearance: 345 mm 5. Overall Transport Dimension (Cabin Model, mm) Overall Transport Length: 5550 Overall Transport Width: 1960 Overall Transport Height (Cabin Top): 2550 Track Base Length: 2520 Track Gauge: 1560 Transport Size (L × W × H): 5550 × 1960 × 2550