コマツ（小松製作所） PC 20 MR

KOMATSU PC20MR-3 Short Tail Mini Excavator Specification 1. Basic Machine Data Model: Komatsu PC20MR-3 Short Radius Mini Hydraulic Excavator Standard Operating Weight (Canopy + rubber track + full fluids + dozer): 1965 kg Cab version operating weight: 2140 kg Standard Heaped Bucket Capacity: 0.066 m³ Optional Bucket Range: 0.05 ~ 0.09 m³ Standard Track Shoe Width: 250 mm rubber track Dozer Blade Dimension: 1450 mm (W) × 280 mm (H) Fuel Tank Capacity: 28 L Hydraulic Oil Tank Capacity: 19 L Minimum Rear Tail Swing Radius: 725 mm (canopy) 2. Engine System Engine Manufacturer: Komatsu Engine Model: 3D76E-6, 3-cylinder inline water-cooled naturally aspirated diesel engine Displacement: 1120 cc (1.12 L) Net Rated Power (ISO 9249): 15.5 kW @ 2500 rpm Max Torque: 70 N·m @ 1600 rpm Air filter: Single-stage dry type with pre-cleaner 3. Hydraulic System (HydrauMind Load Sensing System) Main Pumps: 1 variable displacement piston pump + 1 gear pump Auxiliary Hydraulic Max Flow: 35 L/min Main System Working Pressure: 24.5 MPa Swing Circuit Pressure: 21.0 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: 2720 Max Vertical Wall Digging Depth: 1860 Max Ground Digging Radius: 3635 Max Dumping Height: 2035 Max Digging Height: 4000 Bucket Breakout Force: 18.8 kN Arm Breakout Force: 13.6 kN Travel Speed (Low / High): 2.8 / 4.6 km/h Max Travel Speed: 4.6 km/h Swing Speed: 8.9 rpm Gradeability: 30° (58%) Minimum Ground Clearance: 285 mm 5. Overall Transport Dimension (Canopy Model, mm) Overall Transport Length: 3750 Overall Transport Width: 1450 Overall Transport Height (Canopy Top): 2520 Track Base Length: 1440 Transport Size (L × W × H): 3750 × 1450 × 2520