久保田 U 48-4

# KUBOTA U48-4 Zero Tail Swing Mini Excavator Specification ## 1. Basic Machine Data - Model: KUBOTA U48-4 Short Tail Swing Compact Mini Hydraulic Excavator - Standard Operating Weight (Enclosed ROPS Cab + 400mm Rubber Track + Full Fluids + Standard Bucket): **4775 kg** - Standard Heaped Bucket Capacity (SAE / CECE): **0.14 m³ / 0.12 m³** - Standard Track Shoe Width: 400 mm rubber track; steel track optional (4875kg with steel track) - Fuel Tank Capacity: 58 L - Hydraulic Oil Tank Capacity: 66 L - Standard Boom Length: 2670 mm; Standard Dipper Arm Length: 1470 mm ## 2. Engine System - Engine Manufacturer: KUBOTA - Engine Model: **V2607-DI** - Engine Type: 4-cylinder inline, water-cooled, naturally aspirated direct injection diesel engine - Displacement: 2615 cc (2.615 L) - Gross Rated Power: 30.4 kW (41.8 HP) @ 2200 rpm - Net Rated Power (ISO 9249): **29.8 kW (40.5 HP) @ 2200 rpm** - Max Torque: 160 N·m @ 1400 rpm - Air filter: Dual-stage dry filter with cyclone pre-cleaner ## 3. Hydraulic System - Main Pumps: Single variable displacement axial piston load-sensing pump - Total Max Main Pump Flow: 118.8 L/min - Auxiliary Hydraulic Max Flow (AUX1 / AUX2): 70 L/min / 37 L/min - Main System Relief Pressure: 24.5 MPa - Swing Circuit Pressure: 21.0 MPa - Standard dual auxiliary hydraulic piping for hydraulic breaker, auger & log grapple - Boom & arm & bucket cylinder safety holding valves fully equipped - Working Modes: Standard / Economy ## 4. Working Performance Parameters (Unit: mm) - Max Digging Depth (blade lowered): 3380 - Max Vertical Wall Digging Depth: 2670 - Max Ground Digging Radius: 5710 - Max Digging Radius: 5850 - Max Dumping Height: 3770 - Max Digging Height: 5440 - Minimum Tail Swing Radius: 990 - Bucket Breakout Force (ISO): 33.6 kN (3360 kgf) - Arm Crowd Force (ISO): 22.0 kN (2245 kgf) - Travel Speed (Low / High): 2.8 / 4.9 km/h (rubber track) - Max Travel Speed: **4.9 km/h** - Swing Speed: 9.3 rpm - Boom Swing Angle: Left 70° / Right 55° - Gradeability: 30° (58%) - Minimum Ground Clearance: 310 mm ## 5. Overall Transport Dimension (Standard Cab Configuration, mm) - Overall Transport Length: 5330 - Overall Transport Width: 1960 - Overall Transport Height (Cab Top): 2550 - Transport Size (L × W × H): **5330 × 1960 × 2550**