久保田 U 48-4

# KUBOTA U48‑4 Technical Specifications ## Basic Data - Model: KUBOTA U48‑4 - Type: Zero‑tail‑swing Compact Crawler Hydraulic Excavator - Operating Weight: 4775 kg (cab, rubber track) - Bucket Heaped Capacity: 0.16 m³ - Boom Length: 2450 mm - Arm Length: 1450 mm ## Engine - Engine Model: KUBOTA V2607‑DI, 4‑cylinder water‑cooled diesel - Rated Net Power: 30.0 kW (40.2 HP) / 2200 rpm - Displacement: 2615 cc - Emission Standard: Tier 4 Interim - Fuel Tank Capacity: 68 L ## Hydraulic System - Main Pump: Variable displacement piston pump, load‑sensing system - Total Pump Flow: 118.8 L/min - System Working Pressure: 20.6 MPa - Auxiliary Hydraulic Flow: 70 L/min (primary circuit) ## Working Performance - Travel Speed (Low / High): 2.8 / 4.9 km/h (rubber track) - Swing Speed: 9.2 rpm - Bucket Breakout Force: 33.0 kN - Arm Breakout Force: 22.0 kN - Gradeability: 30° - Ground Pressure: 27.0 kPa ## Working Range - Max Digging Depth: 3380 mm - Max Dumping Height: 3710 mm - Max Digging Reach at Ground Level: 5440 mm - Max Digging Height: 5120 mm ## Dimensions & Transport - Track Shoe Width: 400 mm - Overall Width: 1960 mm - Overall Height: 2550 mm - Shipping Dimension (L×W×H): 5330 × 1960 × 2550 mm