Used Hitachi ZX70 Excavator

Reading: 2121

Detailed Introduction of Hitachi ZX70 Crawler Excavator

The Hitachi ZX70 is a 7-ton class compact crawler excavator under Hitachi Construction Machinery’s classic Zaxis product line, a global leading construction equipment manufacturer. Positioned as a high-efficiency, multi-scenario small excavator, it balances strong power, precise control, low fuel consumption and high durability, and is one of the best-selling models in the global 6-8 ton excavator market. The current mainstream mass-produced version is the ZX70-5G upgraded model, which meets non-road emission standards of Tier 3/Stage IIIA (and higher optional versions for regional regulatory requirements).

1. Core Technical Specifications

Parameter	Specific Value
Operating weight	6.5 – 7.1 t (varies with configuration of bucket, cab and attachments)
Engine model	Isuzu CC-4JG1 4-cylinder water-cooled direct injection diesel engine
Rated net power	40.5 kW / 2100 rpm
Standard bucket capacity	0.12 – 0.3 m³
Maximum digging depth	4.17 m
Maximum digging height	7.25 m
Maximum horizontal digging reach	6.2 m
Swing speed	11 rpm
Travel speed	2.2 km/h (low gear) / 4.5 km/h (high gear)
Gradeability	30° (70%)
Fuel tank capacity	135 L
Hydraulic system rated flow	148 L/min

2. Core Performance Features

2.1 Power & Fuel Efficiency

Equipped with the highly reliable Isuzu industrial diesel engine, which has strong adaptability to low-quality fuel and extreme working temperatures (-20°C to 45°C).
Matched with Hitachi’s proprietary HIOS Ⅲ (Hitachi Intelligent Hydraulic System), which precisely adjusts engine output and hydraulic flow according to actual workload, reducing hydraulic pressure loss by 12% compared with the previous generation model, and improving comprehensive fuel efficiency by 15% under the same working intensity.
Supports 3 optional working modes: Power mode (for heavy-load operations such as rock excavation), Economy mode (for light-load operations to reduce fuel consumption), and Attachment mode (adapted to auxiliary tools such as breakers and grapples).

2.2 Operation Precision

The optimized pilot control system has a response delay of less than 0.3s, realizing almost synchronous matching between the operator’s control intention and the action of the boom, arm and bucket.
Smooth composite action performance, excellent micro-control performance, suitable for precision operations such as pipeline trenching, terrain shaping and fine backfilling.

3. Operator Comfort & Safety

The cab is ROPS (Roll Over Protective Structure) and FOPS (Falling Object Protective Structure) certified, which fully protects the personal safety of the operator in case of accidents.
The fully enclosed cab is equipped with sound insulation materials, and the internal operating noise is controlled below 75dB, which is 8-10dB lower than the average level of similar products in the industry.
Ergonomic suspended adjustable seat with adjustable armrests, high-efficiency HVAC system with multi-directional air outlets, and all control buttons are arranged within the easy reach of the operator, reducing long-term operation fatigue.
Narrow A-pillar design and wide panoramic windows eliminate blind spots for observing the bucket edge and surrounding construction area; the standard 3.5-inch LCD monitor displays real-time operating data including fuel level, water temperature, hydraulic oil temperature and fault codes, and optional rear camera is available to further improve operation safety.

4. Durability & Maintenance Convenience

Key structural parts including boom, arm and undercarriage are made of high-strength wear-resistant steel, welded by full-penetration robotic welding process, and passed 1000-hour heavy-load fatigue test, which can adapt to long-term harsh working conditions.
The reinforced undercarriage is equipped with heavy-duty rollers, idlers and track links, with a service life 20% longer than ordinary small excavator undercarriages; optional rubber track pads are available to avoid damage to asphalt and cement pavement in urban operations.
All daily maintenance points are arranged at ground-accessible positions, no need to climb the upper structure to complete oil level check, filter replacement and other operations; the hydraulic oil replacement interval is 5000 hours, and the engine oil replacement interval is 500 hours, which greatly reduces downtime and later maintenance costs.

5. Applicable Scenarios & Optional Configurations

Typical Application Scenarios

Urban construction: small building demolition, residential foundation excavation, site backfilling
Municipal engineering: water and electricity pipeline laying, cable trench excavation, road maintenance
Landscaping: planting pit digging, terrain shaping, garden facility construction
Agricultural engineering: farmland reconstruction, greenhouse construction, irrigation ditch excavation
Special operations: stone breaking, bulk material handling, waste sorting when equipped with corresponding attachments

Common Optional Configurations

Hydraulic breaker pipeline, attachment quick coupler, rubber track pads, rearview camera, sunshade open cab (for high-temperature regions), cold-region dedicated heating system, rock bucket, ditch cleaning bucket, log grapple, etc.

Non flooded

No accident

Original product

Used Hitachi ZX70 Excavator

RELATED PRODUCTS

Hitachi ZX70

Hitachi ZX70

Hitachi ZX240-3

Hitachi EX200-5