久保田 U 55-4

### **Engine** - **Model**: Kubota V2607-CR-E4 (V2607-DI) - **Type**: 4-cylinder, direct injection, turbo diesel - **Emissions**: EPA Tier 4 Final / EU Stage V - **Gross Power**: 35.5 kW (47.6 HP) @ 2200 rpm - **Net Power**: 33.8 kW (45.4 HP) @ 2200 rpm - **Displacement**: 2615 cc (2.6 L) - **Max Torque**: 144.2 Nm @ 1600 rpm ### **Performance** - **Operating Weight**: 5405 kg (11,915 lbs) - **Travel Speed (Low)**: 2.8 km/h - **Travel Speed (High)**: 4.9 km/h - **Swing Speed**: 9.3 rpm - **Max Digging Depth**: 3.63 m - **Max Horizontal Reach**: 6.1 m - **Bucket Digging Force**: 41.9 kN (4,190 kgf) - **Arm Digging Force**: 22.2 kN (2,220 kgf) ### **Dimensions (mm)** - **Transport Length**: 5500 - **Transport Width**: 1960 - **Transport Height**: 2550 - **Track Width (Shoe)**: 400 - **Min. Tail Swing Radius**: 1045 ### **Hydraulics** - **Main Pump Flow**: 151.6 L/min - **Auxiliary Flow**: 75.9 L/min - **System Pressure**: 235 bar (3,400 psi) ### **Bucket** - **Standard Capacity**: 0.13–0.16 m³ - **Standard Width**: 650 mm ### **Fuel & Fluid** - **Fuel Tank**: 68 L - **Hydraulic Tank**: 79 L ### **Undercarriage** - **Track Type**: Rubber (Steel optional) - **Ground Contact Pressure**: 0.306 kgf/cm² (Canopy) - **Traction Force**: 6567 kgf