コマツ（小松製作所） PC 50 MR

KOMATSU PC50MR Short Radius Mini Excavator Specifications 1. Basic Machine Information Model: KOMATSU PC50MR Short Tail Compact Crawler Mini Excavator Standard Operating Weight (Full Air-con Cab + 400mm rubber track): 4990 kg Canopy version operating weight: 4930 kg Standard Heaped Bucket Capacity: 0.16 m³ (optional range: 0.055–0.16 m³) Standard Boom Length: 2640 mm Standard Stick (Arm) Length: 1640 mm Standard Track Shoe Width: 400 mm rubber track Fixed overall track width: 1960 mm Ground Contact Pressure: 31.8 kPa (cab rubber track version) Rear Tail Swing Radius: 1060 mm (Ultra-short MR minimal tail design, low collision risk in narrow construction sites) 2. Engine & Power Performance Engine Manufacturer: KOMATSU (Japan) Engine Model: 4D88E-5 Inline 4-cylinder water-cooled natural aspirated diesel Displacement: 2.189 L / 2189 cc Net Rated Power (ISO9249): 28.3 kW @ 2400 rpm (38 HP) Gross Power (ISO14396): 29.1 kW @ 2400 rpm (39 HP) Max Torque: 139 N·m @ 1440 rpm Fuel Tank Capacity: 65 L Hydraulic Oil Tank Volume: 52 L Travel Speed: Low 2.6 km/h / High 4.3 km/h Swing Speed: 9.0 rpm Gradeability: 58% (30°) Max Bucket Digging Force (ISO): 34.0 kN Max Arm Digging Force (ISO): 22.0 kN Max Traction Force: 42.0 kN 3. Hydraulic System Main Pump: Dual variable displacement axial piston pumps + gear pilot pump (KOMATSU CLSS closed-center load-sensing system) Total Max Main Hydraulic Flow: 140.8 L/min Main Relief Pressure: 26.5 MPa Standard Bidirectional Auxiliary Hydraulic Flow: 53 L/min Factory pre-installed proportional auxiliary piping for hydraulic breaker, auger & thumb grab attachments Multi-mode operation (Economy / Standard / Power) for energy saving or heavy-load digging 4. Working Range Dimensions (mm) Max Horizontal Digging Reach (Ground Level): 6220 Max Digging Depth (Dozer blade lowered): 3800 Max Vertical Wall Digging Depth: 3050 Max Digging Height: 5690 Max Dumping Height: 4160 Standard floating dozer blade width: 1960 mm 5. Overall Transport Dimensions (mm) Total Transport Length (with standard bucket): 5590 Total Transport Width: 1960 Overall Height (cab top): 2660 Minimum Ground Clearance: 320 mm