Hitachi ZX 70

# HITACHI ZX70 Technical Specifications - **Machine Type**: Crawler Hydraulic Excavator - **Operating Weight**: 6700 kg (cab standard version) - **Bucket Capacity**: 0.33 m³ (ISO heaped) - **Swing Speed**: 11.3 rpm - **Max Travel Speed**: 3.4‑5.0 km/h - **Ground Pressure**: 29 kPa ## Engine - **Model**: Isuzu CC-4JG1, 4‑cylinder in-line water-cooled naturally aspirated diesel - **Rated Net Power**: 42.4 kW @2100 rpm - **Displacement**: 3059 cc (3.059 L) - **Emission Standard**: Stage IIIA / Euro 3 - **Fuel Tank Capacity**: 135 L ## Hydraulic System - **Main Pump**: Dual variable‑displacement axial piston pump - **Bucket Digging Force**: 55 kN - **Arm Digging Force**: 40 kN - **System Relief Pressure**: 31.4 MPa ## Working Range - **Max Digging Depth**: 4170 mm - **Max Ground Reach**: 6320 mm - **Max Dumping Height**: 4720 mm ## Transport Dimensions (L×W×H) - Length: 6120 mm - Width: 2200 mm - Height: 2600 mm ## Undercarriage - **Track Shoe Width**: 450 mm - **Track Gauge**: 1750 mm