コマツ（小松製作所） PC 55 MR

KOMATSU PC55MR-2 Short Radius Mini Crawler Excavator Specifications 1. Basic Machine Information Model: KOMATSU PC55MR-2 Short Tail Compact Mini Excavator Standard Operating Weight (Air-con Cab + 400mm rubber track + standard bucket): 5160 kg Standard Heaped Bucket Capacity: 0.20 m³ (optional range: 0.10–0.25 m³) Standard Boom Length: 2750 mm Standard Stick (Arm) Length: 1600 mm Standard Track Shoe Width: 400 mm rubber/steel track optional Fixed overall track outer width: 1960 mm Ground Contact Pressure: 30.3 kPa (cab rubber track version) Rear Tail Swing Radius: 1120 mm (short radius design for confined construction sites) 2. Engine & Power Performance Engine Manufacturer: KOMATSU (Japan) Engine Model: 4D88E-6 Inline 4-cylinder water-cooled naturally aspirated diesel Displacement: 2189 cc / 2.189 L Net Rated Power (ISO9249): 28.5 kW @ 2400 rpm (38.2 HP) Max Torque: 128 N·m @ 1600 rpm Fuel Tank Capacity: 65 L Hydraulic Oil Tank Volume: 42 L Travel Speed: Low 2.5 km/h / High 4.6 km/h Swing Speed: 9.0 rpm Gradeability: 70% (35°) Max Bucket Digging Force (ISO): 42.5 kN Max Arm Digging Force (ISO): 39.0 kN Max Traction Force: 47.2 kN 3. Hydraulic System Main Pump: Dual variable displacement axial piston pumps + gear pilot pump (KOMATSU CLSS closed-center load-sensing system) Main Relief Pressure: 21.0 MPa Standard Bidirectional Auxiliary Hydraulic Flow: 68 L/min Factory pre-installed proportional auxiliary piping for hydraulic breaker, auger & thumb grab attachments Dual working modes (ECO / Power) for energy saving or heavy-load digging 4. Working Range Dimensions (mm) Max Horizontal Digging Reach (Ground Level): 6070 Max Digging Depth (Dozer blade lowered): 3800 Max Vertical Wall Digging Depth: 3020 Max Digging Height: 5945 Max Dumping Height: 4230 Standard floating dozer blade width: 1960 mm 5. Overall Transport Dimensions (mm) Total Transport Length (with standard bucket): 5550 Total Transport Width: 1960 Overall Height (cab top): 2550 Minimum Ground Clearance: 365 mm