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The Hitachi ZX70-5G is a versatile and robust crawler excavator, designed to deliver exceptional performance in a variety of construction and digging applications. With its impressive power, advanced hydraulic systems, and precision engineering, the ZX70-5G is an ideal choice for operators who demand reliability and efficiency. In this article, we will explore its key specifications, features, and performance capabilities.
Basic Information
Key Specifications
Weight and Size
Engine and Power
Hydraulic System
The ZX70-5G’s hydraulic system is a key factor in its impressive performance. It uses a variable displacement axial piston pump and gear pump, allowing for precise control of lifting and digging movements.
Performance Characteristics
Ground Pressure
Travel Speed
Gradeability
Dimensions
The machine is built for compactness and maneuverability, with the following dimensions:
Working Range
The ZX70-5G excels in its ability to reach and dig in challenging conditions:
Fuel and Oil Capacity
To ensure long operational hours without interruptions, the ZX70-5G features substantial fluid capacities:
Advantages of the ZX70-5G
The Hitachi ZX70-5G crawler excavator is a powerful, compact, and versatile machine, ideal for a wide range of construction applications. Its robust engine, advanced hydraulic system, and impressive working range make it a valuable asset for tasks such as trenching, digging, and material handling. Whether working in urban environments, confined spaces, or rough terrain, the ZX70-5G offers the performance and durability needed to get the job done efficiently.
Basic Information
- Brand: Hitachi
- Model: ZX70-5G
- Year of Manufacture: 2014
- Operating Hours: 12,000 hours
- Location: Luoyang, Henan, China
Key Specifications
Weight and Size
- Operating Weight: 6,700 kg
- Bucket Capacity: 0.33 m³
Engine and Power
- Engine Model: Yanmar 4TNV98-AVHBW
- Rated Power: 42.4 kW at 2,100 rpm
- Cooling Method: Water-cooled
- Cylinder Configuration: 4 cylinders
- Displacement: 3.318 L
- Engine Type: 4-stroke, water-cooled, direct injection
Hydraulic System
The ZX70-5G’s hydraulic system is a key factor in its impressive performance. It uses a variable displacement axial piston pump and gear pump, allowing for precise control of lifting and digging movements.
- Main Pump Flow: 2×63 + 1×52.5 l/min
- Working Hydraulic Pressure: 26 MPa
- Pilot Circuit Pressure: 3.9 MPa
- Bucket Cylinder Dimensions: 85 mm × 55 mm
- Arm Cylinder Dimensions: 95 mm × 60 mm
- Boom Cylinder Dimensions: 115 mm × 65 mm
Performance Characteristics
Ground Pressure
- Ground Pressure: 31 kPa
- This relatively low ground pressure ensures the machine can work in softer ground conditions without sinking, making it highly effective in urban construction sites.
- This relatively low ground pressure ensures the machine can work in softer ground conditions without sinking, making it highly effective in urban construction sites.
- Bucket Digging Force: 55 kN
- Arm Digging Force: 40 kN
Travel Speed
- High Speed: 5.0 km/h
- Low Speed: 3.4 km/h
Gradeability
- Gradeability: 70% (35°)
Dimensions
The machine is built for compactness and maneuverability, with the following dimensions:
- Transport Length: 6,080 mm
- Transport Width: 2,260 mm
- Transport Height: 2,600 mm
- Ground Clearance: 360 mm
- Track Length: 2,765 mm
- Track Gauge: 1,750 mm
- Track Width: 450 mm
- Total Width: 2,200 mm
Working Range
The ZX70-5G excels in its ability to reach and dig in challenging conditions:
- Maximum Digging Radius: 6,320 mm
- Maximum Digging Depth: 4,170 mm
- Maximum Digging Height: 7,150 mm
- Maximum Unloading Height: 5,060 mm
- Maximum Vertical Digging Depth: 3,730 mm
Fuel and Oil Capacity
To ensure long operational hours without interruptions, the ZX70-5G features substantial fluid capacities:
- Fuel Tank Capacity: 135 L
- Hydraulic Oil Tank Capacity: 60 L
- Engine Oil Capacity: 12.3 L
- Coolant Capacity: 8 L
- Hydraulic System Capacity: 100 L
Advantages of the ZX70-5G
- Powerful Yet Compact: The ZX70-5G offers a perfect balance of power and size, making it ideal for both large and small projects. Its smaller size allows for better maneuverability in tight spaces, while its powerful engine ensures efficient performance.
- Efficient Hydraulic System: With its advanced hydraulic components, the ZX70-5G provides precise control for lifting, digging, and leveling, ensuring high productivity and minimal downtime.
- Fuel Efficiency: The machine’s engine and hydraulic systems are designed for fuel efficiency, reducing operational costs over time.
- Durability: Hitachi is known for building durable and reliable machines. The ZX70-5G is no exception, designed to withstand the rigors of daily construction work.
The Hitachi ZX70-5G crawler excavator is a powerful, compact, and versatile machine, ideal for a wide range of construction applications. Its robust engine, advanced hydraulic system, and impressive working range make it a valuable asset for tasks such as trenching, digging, and material handling. Whether working in urban environments, confined spaces, or rough terrain, the ZX70-5G offers the performance and durability needed to get the job done efficiently.