久保田 U 40-3

# KUBOTA U40-3 Zero Tail Swing Mini Excavator Specification ## 1. Basic Machine Data - Model: KUBOTA U40-3 Zero Tail Mini Excavator - Standard Operating Weight: 4440 kg (Cab version) - Standard Heaped Bucket Capacity: 0.14 m³ - Standard Track Shoe Width: 300 mm (Steel track standard, rubber track optional) - Gradeability: 30° (70%) - Zero tail swing design, compact for narrow construction sites ## 2. Engine System - Engine Brand & Model: KUBOTA V2607-DI-E3 4-cylinder diesel engine - Engine Type: Water-cooled, 4-stroke, In-line 4-cylinder direct injection diesel - Displacement: 2615 cc - Rated Net Power (ISO 9249): 31.2 kW / 2200 rpm (41.8 HP) - Fuel Tank Volume: 45 L - Fuel Consumption: 3.0 ~ 3.8 L/h ## 3. Hydraulic & Travel Performance - Main Pump: Dual variable displacement piston pump + gear pump composite hydraulic system - Max Auxiliary Hydraulic Flow: 98 L/min - Main Circuit Relief Pressure: 24.5 MPa - Travel Speed (High / Low): 4.9 km/h / 2.8 km/h - Swing Speed: 9.5 rpm - Max Bucket Breakout Force: 38.2 kN - Max Arm Digging Force: 26.5 kN - Standard Dozer Blade equipped for leveling & stabilization ## 4. Working Range Dimensions (Unit: mm) - Max Digging Depth: 3385 mm - Max Vertical Wall Digging Depth: 2665 mm - Max Ground Digging Reach: 5850 mm - Max Dumping Height: 3800 mm - Max Cutting Height: 5465 mm ## 5. Overall Transport Dimensions (L × W × H, mm) - Overall Transport Length: 5315 mm - Overall Transport Width: 1960 mm - Overall Transport Height (Cab Top): 2490 mm