日立建機 ZX 70

1. Model Overview The Hitachi ZX70 is a 7-tonne crawler excavator by Hitachi Construction Machinery. Made in Japan. Includes ZX70 (Isuzu) and ZX70-5G (Yanmar). For construction, agriculture, forestry. 2. Core Specifications Parameter ZX70 ZX70-5G Operating Weight 6,510 kg 6,700-6,950 kg Bucket Capacity 0.30-0.33 m³ 0.33 m³ Engine Isuzu CC-4JG1 Yanmar 4TNV98 Power 40.5 kW 42.4 kW Displacement 3.318 L 3.318 L Emission Tier 2 Tier 3 3. Performance Parameter Value Travel Speed - High 5.0 km/h Travel Speed - Low 3.4 km/h Bucket Digging Force 55 kN Arm Digging Force 38 kN 4. Hydraulic System Pump flow: 2×63 + 1×52.5 L/min. Working pressure: 31.4 MPa. 5. Dimensions (mm) Parameter Value Transport Length 6,080 Transport Width 2,260 Transport Height 2,600 Track Shoe Width 450 Tail Swing Radius 1,750 6. Working Ranges (mm) Max Digging Depth: 4,170 Max Reach: 6,320 Max Dumping Height: 5,060 7. Capacities Fuel: 135L. Hydraulic tank: 60L. 8. Key Features Fuel saving: Electronic governor and clutch fan reduce consumption up to 7%. 0.33m³ bucket with wear plate protection. Reinforced arm with WC thermal spray. X-type track frame for higher strength. Keyed fuel cap for dust/water protection. Centralized filters for easy maintenance. Two-speed travel. 9. Standard Equipment Isuzu/Yanmar engine, variable pumps, 450mm shoes, ROPS cab, 0.33m³ bucket. 10. Optional Equipment 0.38m³ bucket, long arm, rearview camera. 11. Variants ZX70: 40.5kW, 6,510kg. ZX70-5G: 42.4kW, 6,700kg. ZX70-3: 39.4kW, 6,500kg. 12. Production ZX70-5G introduced 2017. ZX70 discontinued. 13. Applications Construction, agriculture, forestry, trenching, landscaping, rental. 14. Regional Export Middle East, Africa, Asia. Not for Tier 4/Stage V markets. Specifications vary. Contact local Hitachi dealer.