久保田 U 48-4

KUBOTA U48-4 Zero Tail Mini Excavator Specifications 1. Basic Machine Parameters Full Model: KUBOTA U48-4 Zero Tail Swing Mini Excavator Operating Weight (75kg operator included, air-con cab + 400mm rubber track + standard arm + floating dozer): 4775 kg Canopy version operating weight: 4700 kg Steel track cab weight: 4875 kg Standard Heaped Bucket Capacity (SAE): 0.14 m³ CECE: 0.12 m³ Standard Boom Length: 2615 mm Standard Stick Length: 1480 mm Track Shoe Width: 400 mm rubber track as standard; steel track optional Track Gauge (tumbler distance): 1990 mm Overall undercarriage full width: 1960 mm Minimum Tail Swing Radius: 990 mm (True zero-tail, counterweight never exceeds track width) Ground Contact Pressure (rubber cab): 27.4 kPa Minimum Ground Clearance: 310 mm Floating dozer blade dimension: 1960 mm (width) × 410 mm (height) Max blade lift above ground: 440 mm; Max blade dig depth: 410 mm Boom offset swing angle: Left 70° / Right 55° 2. Engine & Power Performance (Stage IIIA / Tier 3 Export Version) Engine Manufacturer: KUBOTA Engine Model: V2607-DI-E3-BH Inline 4-cylinder water-cooled direct injection diesel Bore × Stroke: 87 mm × 110 mm Displacement: 2615 cc / 2.615 L Net Rated Power (ISO 9249 @ 2400 rpm): 29.8 kW (40.5 HP) Max Torque: 132 N·m @ 1600 rpm Fuel Tank Capacity: 68 L Hydraulic Oil Reservoir: 45 L; Full system oil volume: 79 L Engine Lubricating Oil Volume: 9 L Travel Speed (rubber track): Low 2.8 km/h / High 4.9 km/h Swing Speed: 9.3 rpm Gradeability: 58% (30°) Max Bucket Digging Force: 33.0 kN Max Arm Crowd Force: 22.0 kN Max Drawbar Traction Force: 53.4 kN 3. Hydraulic System Main Pump: Single variable displacement axial piston pump Total main pump flow: 118.8 L/min Main system relief pressure: 24.5 MPa Dual independent auxiliary circuits (standard for breaker/auger): AUX1 max flow: 70 L/min, relief pressure 20.6 MPa AUX2 max flow: 37 L/min, relief pressure 20.6 MPa Standard Functions: Straight-line travel, ISO / SAE control pattern switch, boom float, auto two-speed travel, auto engine idle 4. Full Working Range Dimensions (mm, standard arm + blade lowered) Max Horizontal Digging Reach (Ground Level): 5710 Max Digging Depth: 3383 Max Vertical Wall Digging Depth: 2820 Max Digging Height: 4850 Max Dumping Height: 3490 Minimum Swing Radius: 1960 5. Overall Transport Dimensions (mm, standard bucket fitted, rubber track cab) Total Transport Length: 5330 Total Transport Width: 1960 Overall Transport Height (cab top): 2550