クボタ U 20

# KUBOTA U20‑3S Technical Specifications - Machine Type: Zero‑tail‑swing Mini Crawler Hydraulic Excavator, adjustable track width - Operating Weight: **2120 kg** (Canopy version) - Standard Heaped Bucket Capacity: **0.063 m³** - Boom Length: 1840 mm - Stick Length: 1120 mm - Track Shoe Width: 250 mm - Track adjustable width: 1300‑1500 mm - Dozer Blade: Equipped - Zero‑tail‑swing design ## Engine - Engine Model: **KUBOTA D1105‑KA** - Rated Net Power: **14.2 kW / 2200 rpm** - Displacement: **1123 cc**, 3‑cylinder in‑line naturally aspirated diesel - Emission Standard: **Stage II / Tier2** - Cooling: Water‑cooled four‑stroke diesel ## Hydraulic System - Bucket Digging Force: **18.4 kN** - Arm Digging Force: **11.0 kN** - Max Travel Traction Force: 21 kN - Travel Speed: Low 2.1 km/h, High 4.0 km/h - Swing Speed: **9.6 rpm** - Main Pump Flow: 64 L/min - Main Relief Pressure: 21.0 MPa ## Working Range - Max Digging Depth: **2300 mm** - Max Digging Height: **4070 mm** - Max Dumping Height: **2700 mm** - Max Horizontal Reach: **4140 mm** - Tail Swing Radius: **740 mm** ## Overall Dimensions (transport L×W×H) - Length: **3850 mm** - Width: **1300‑1500 mm** - Height: **2350 mm** ## Capacities - Fuel Tank: 27.7 L - Hydraulic Oil Tank: 22.4 L