久保田 U 20

KUBOTA U20True Zero Tail Mini Excavator Full English Official Specifications 1. Basic Machine Information Model: KUBOTA U20 Zero-tail Ultra-compact Mini Crawler Excavator Standard Operating Weight (Full Canopy + 250mm rubber track): 2365 kg Standard Heaped Bucket Capacity: 0.06 m³ (flat 0.054 m³; optional 0.04–0.08 m³) Standard Boom Length: 2180 mm Standard Stick (Arm) Length: 1290 mm Standard Track Shoe Width: 250 mm rubber retractable track Retractable track overall width: 1300 mm (shrunk for narrow passage); Max extended width: 1500 mm Ground Contact Pressure: 26.3 kPa (canopy rubber track version) Rear Tail Swing Radius: 710 mm (Full zero-tail design, no rear overhang collision risk) 2. Engine & Power Performance Engine Manufacturer: KUBOTA (Japan) Engine Model: D1105-E4 Vertical 3-cylinder water-cooled E-TVCS naturally aspirated diesel Displacement: 1.123 L / 1123 cc Net Rated Power (ISO9249): 14.0 kW @ 2200 rpm (19.0 HP) Max Torque: 64 N·m @ 1600 rpm Fuel Tank Capacity: 28 L Hydraulic Oil Tank Volume: 18 L (total hydraulic system 30 L) Travel Speed: Low 2.1 km/h / High 4.0 km/h Swing Speed: 9.6 rpm Gradeability: 58% (30°) Max Bucket Digging Force: 18.4 kN Max Arm Digging Force: 14.2 kN Max Traction Force: 23.6 kN 3. Hydraulic System Main Pump: Dual variable displacement piston pumps + dual gear pilot pumps (3-pump HMS hydraulic system) Main Relief Pressure: 17.2 MPa Standard Bidirectional Auxiliary Hydraulic Flow: 36 L/min Factory pre-installed auxiliary piping for hydraulic breaker, auger & thumb grab attachments Original Kubota HMS load-sensing hydraulic system, supports smooth simultaneous multi-action operation & straight travel function 4. Working Range Dimensions (mm) Max Horizontal Digging Reach (Ground Level): 4290 Max Digging Depth (Dozer blade lowered): 2540 Max Vertical Wall Digging Depth: 2060 Max Digging Height: 4010 Max Dumping Height: 2760 Standard floating dozer blade width: 1500 mm (track fully extended) 5. Overall Transport Dimensions (mm, track retracted for transit) Total Transport Length (with standard bucket): 3850 Total Transport Width: 1300 Overall Height (canopy top): 2380 Minimum Ground Clearance: 265 mm