コマツ（小松製作所） PC 20 MR

KOMATSU PC20MR Zero Tail Mini Excavator Specifications 1. Basic Machine Information Model: KOMATSU PC20MR Zero Tail Mini Crawler Excavator Machine Type: 2-ton Zero Tail Compact Mini Excavator Standard Operating Weight (Canopy + Rubber Track): 2220 kg Cabin version operating weight: 2385 kg Steel track weight (canopy): 2320 kg Standard Heaped Bucket Capacity: 0.066 m³ (Range: 0.04 ~ 0.09 m³) Standard Boom Length: 1720 mm Standard Stick (Arm) Length: 1080 mm Standard Track Shoe Width: 250 mm rubber track Fixed overall track width: 1200 mm Ground Contact Pressure: 26.8 kPa (rubber track) Rear Tail Swing Radius: 800 mm (Zero-tail design, counterweight never exceeds track width) 2. Engine & Power Performance Engine Manufacturer: KOMATSU Engine Model: 3D76E-5N Vertical 3-cylinder water-cooled direct injection diesel Displacement: 1.115 L / 1115 cc Net Rated Power (ISO9249): 15.5 kW @ 2200 rpm (21.1 HP) Emission Standard: Stage IIIA / Tier 2 (No AdBlue required) Fuel Tank Capacity: 28 L Hydraulic Oil Tank Volume: 19 L Travel Speed: Low 2.2 km/h / High 4.6 km/h Swing Speed: 8.9 rpm Gradeability: 70% (35°) Max Bucket Digging Force: 18.8 kN Max Arm Digging Force: 13.4 kN Max Traction Force: 19.2 kN 3. Hydraulic System Main Pump: Dual variable displacement piston pumps + gear pilot pump Standard Bidirectional Auxiliary Hydraulic Flow: 35 L/min Main Relief Pressure: 20.6 MPa Factory pre-installed bidirectional auxiliary piping for hydraulic breaker, auger & thumb grab attachments 4. Working Range Dimensions (mm) Max Horizontal Digging Reach (Ground Level): 4170 Max Digging Depth (Blade Lowered): 2350 Max Vertical Wall Digging Depth: 1950 Max Digging Height: 4100 Max Dumping Height: 2820 Boom Swing Angle: Left 525° / Right 770° 5. Overall Transport Dimensions (mm) Total Transport Length (with standard bucket): 4100 Total Transport Width: 1200 Overall Height (canopy top): 2520 Minimum Ground Clearance: 230 mm