久保田 U 55-4

# KUBOTA U55‑4 Technical Specifications - Machine Type: Tight‑tail‑swing Compact Crawler Hydraulic Excavator - Operating Weight: **5470 kg** (Cab version) - Standard Heaped Bucket Capacity: **0.22 m³** - Boom Length: 2450 mm - Arm Length: 1950 mm - Track Shoe Width: **400 mm** (Rubber track) - Dozer Blade: Equipped - Tail Swing Radius: **1150 mm** ## Engine - Engine Model: **KUBOTA V2607‑CR‑E4** - Rated Net Power: **33.7 kW / 2200 rpm** - Displacement: **2615 cc**, 4‑cylinder in‑line water‑cooled turbo diesel - Emission Standard: **Tier 4 Final / Stage IIIB** - Cooling: Water‑cooled ## Hydraulic System - Bucket Digging Force: **49.3 kN** - Arm Digging Force: **33.2 kN** - Max Travel Traction Force: 64.4 kN - Travel Speed: 2.8‑4.9 km/h - Swing Speed: **9.2 rpm** - Main Pump Flow: 149 L/min - Relief Pressure: 24.5 MPa ## Working Range - Max Digging Depth: **3630 mm** - Max Digging Radius: **6120 mm** - Max Digging Height: **5720 mm** - Max Dumping Height: **3970 mm** ## Overall Transport Dimensions (L×W×H) - Length: **5500 mm** - Width: **1960 mm** - Height: **2550 mm** ## Capacities - Fuel Tank: **62 L** - Hydraulic Oil Tank: 50 L