Used Hitachi ZX70 Excavator

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Detailed Introduction of HITACHI ZX70 Crawler Excavator

The HITACHI ZX70 is a 7-ton-class compact crawler excavator developed and manufactured by Hitachi Construction Machinery, a global leader in construction equipment R&D and production. As a star model in Hitachi's ZX mid-small excavator lineup, it balances high working efficiency, low operating cost, excellent maneuverability and outstanding durability, making it one of the most popular compact excavator products in the global market. It is specially designed for narrow working conditions that large excavators cannot access, and can adapt to various complex construction environments.

1. Key Technical Specifications

*Note: Specifications may vary slightly according to regional emission standards and optional configurations

Item	Parameter
Operating Weight	6,500 – 7,200 kg
Power System	Isuzu AU-4LE2X 4-cylinder water-cooled diesel engine
Rated Net Power	42.4 kW (57 hp) @ 2,200 rpm (compliant with EU Stage V / US Tier 4 Final / China National III emission standards for different regional versions)
Standard Bucket Capacity	0.3 m³, optional range: 0.22 – 0.38 m³
Bucket Digging Force	56.5 kN
Arm Digging Force	37.2 kN
Max. Digging Depth	4,170 mm
Max. Digging Height	7,150 mm
Max. Dumping Height	5,060 mm
Max. Reach at Ground Level	6,330 mm
Swing Speed	11 rpm
Travel Speed	2.4 km/h (low) / 4.5 km/h (high)
Gradeability	30° (58%)
Fuel Tank Capacity	140 L
Hydraulic Oil Tank Capacity	90 L
Cab Certification	Standard ROPS (Roll-over Protective Structure) / FOPS (Falling Object Protective Structure)

2. Core Advantages

2.1 High-efficiency Power & Hydraulic System

The ZX70 is equipped with a proven Isuzu industrial diesel engine, which features low fuel consumption, low noise, strong low-end torque, and reliable cold start performance (can start normally at -15℃ without preheating accessories). It is matched with Hitachi's exclusive HIOS III (Hitachi Integrated Operating System III) hydraulic system, which realizes precise control of compound actions (simultaneous swing, boom lifting and arm operation), reduces hydraulic pressure loss by 12% compared with the previous generation model, and improves comprehensive working efficiency by 8% while reducing fuel consumption by about 10%. The boom and arm regeneration function further speeds up action response and reduces unnecessary energy loss.

2.2 Excellent Maneuverability & Operator Comfort

With a compact body design (total width of only 2,320 mm), the ZX70 can flexibly operate in narrow spaces such as urban residential areas, indoor construction sites and small farmlands. The fully enclosed cab adopts sound insulation and shock absorption design, the operating noise in the cab is as low as 74 dB(A). The adjustable air suspension seat, ergonomic low-force operating joysticks, and large LCD monitoring panel (displaying real-time operating data, fault warning and maintenance reminders) greatly reduce long-term operation fatigue. The cab is also equipped with standard ventilation system, and optional air conditioning and heating functions for adaptation to extreme weather.

2.3 Super Durability & Easy Maintenance

The main structural parts including boom, arm and track frame are made of high-strength wear-resistant steel, and the welded joints are reinforced by finite element analysis to avoid structural deformation under high-load impact. The standard reinforced steel track and high-life supporting wheels, idlers and carrier rollers adapt to harsh working conditions such as rocky sites and muddy construction sites. All daily maintenance points (engine oil filter, fuel filter, air filter, hydraulic oil check port) are arranged at ground-accessible positions, which reduces daily maintenance time by 30%. The parallel radiator design is easy to clean, and can avoid overheating even under continuous high-load operation in 45℃ high temperature environment.

3. Typical Application Scenarios

The ZX70 is widely used in multiple construction scenarios:• Urban municipal engineering: Trench excavation for water, electricity and gas pipelines, sidewalk construction, small foundation excavation, urban greening transplantation, and old community renovation.• Agricultural and rural construction: Farmland irrigation channel excavation, land consolidation, livestock farm construction, and rural road maintenance.• Small demolition and waste handling: Small building demolition, construction waste transfer, and site clearing after disaster.• Landscape engineering: Garden site leveling, pit excavation for tree planting, and waterscape construction.• Small mining and quarrying: Ore and aggregate handling, small tunnel clearing, and material loading in small quarry sites.

4. Optional Configurations

To meet personalized operation demands, Hitachi provides a wide range of optional accessories for ZX70:• Work tools: Rock bucket, narrow ditch bucket, grid bucket, hydraulic breaker, hydraulic shear, wood grapple, auger drill, ripper, etc.• Convenience configurations: Quick coupler (for quick replacement of work tools within 1 minute), automatic centralized lubrication system, rear view camera, heated seat, etc.• Special chassis accessories: Rubber track (to avoid damage to paved road surfaces), extended track frame for higher stability, etc.

5. After-sales & Operation Support

Hitachi provides a complete global after-sales service system for ZX70 users:• Standard 1-year/2000-hour factory warranty, optional extended warranty service of up to 3 years/5000 hours.• Original spare parts supply network covering more than 120 countries and regions, to ensure timely replacement of wearing parts.• Equipped with Hitachi Global e-Service remote monitoring system as standard, which supports real-time checking of equipment location, working hours, fuel consumption, operating status and fault warning, convenient for fleet management and preventive maintenance.• Professional technical training and 24/7 online/on-site fault troubleshooting service.

Overall, the HITACHI ZX70 is a cost-effective choice for small and medium-sized construction teams and individual operators, with extremely low whole-life cycle operating cost, strong adaptability to working conditions and reliable performance, and has been widely recognized by users around the world.

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No accident

Original product

Used Hitachi ZX70 Excavator

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