히타치 ZX 120

### HITACHI ZX120 (Standard Version) – Specifications #### 1. General - **Model:** Hitachi ZX120 - **Operating Weight:** 12,200 kg (26,896 lbs) - **Bucket Capacity (ISO):** 0.52 m³ (0.68 yd³) - **Bucket Range:** 0.45–0.59 m³ #### 2. Engine - **Model:** Isuzu CC-4BG1TC (4-cylinder, turbocharged, intercooled) - **Net Power:** 66 kW (90 HP) @ 2,150 rpm - **Displacement:** 4.329 L (264 cu in) - **Fuel Tank Capacity:** 250 L (66.1 gal) #### 3. Performance - **Max Digging Force (Bucket):** 99 kN (22,252 lbf) - **Max Digging Force (Arm):** 65 kN (14,612 lbf) - **Swing Speed:** 13.7 rpm - **Travel Speed (High/Low):** 5.5 / 3.4 km/h (3.4 / 2.1 mph) - **Gradeability:** 70% (35°) - **Ground Pressure:** 37 kPa (4.12 psi) #### 4. Hydraulic System - **Pumps:** 2 × variable displacement piston pumps + 1 gear pump - **Relief Pressure:** 34.3 MPa (4,980 psi) - **Main Pump Flow:** 210 L/min (55.5 gpm) #### 5. Dimensions (mm) - **Transport Length:** 7,610 - **Transport Width:** 2,490 - **Transport Height:** 2,740 - **Track Width:** 500 - **Tail Swing Radius:** 2,130 #### 6. Working Range (mm) - **Max Digging Radius:** 8,270 - **Max Digging Depth:** 5,570 - **Max Digging Height:** 8,570 - **Max Dumping Height:** 6,160