久保田 U 48-4

# KUBOTA U48-4 Technical Specifications - **Machine Type**: Zero-tail-swing Crawler Hydraulic Mini Excavator - **Operating Weight**: 4780 kg (cab standard version) - **Bucket Capacity**: 0.18 m³ (ISO heaped) - **Swing Speed**: 9.1 rpm - **Max Travel Speed**: 2.6‑4.4 km/h - **Ground Pressure**: 33.5 kPa ## Engine - **Model**: Kubota V2403-CR, 4‑cylinder in-line water-cooled turbo diesel - **Rated Net Power**: 36.5 kW @2200 rpm - **Displacement**: 2434 cc (2.434 L) - **Emission Standard**: Stage IIIA / Tier4 Final - **Fuel Tank Capacity**: 58 L ## Hydraulic System - **Main Pump**: Variable-displacement axial piston pump - **Max Bucket Digging Force**: 41.5 kN - **Max Arm Digging Force**: 29.8 kN - **System Relief Pressure**: 24.5 MPa ## Working Range - **Max Digging Depth**: 3890 mm - **Max Ground Reach**: 6060 mm - **Max Dumping Height**: 4240 mm ## Transport Dimensions (L×W×H) - Length: 5450 mm - Width: 1960 mm - Height: 2480 mm ## Undercarriage - Track Shoe Width: 400 mm - Track Gauge: 1560 mm