Used Hitachi ZX70 Excavator

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Hitachi ZX70 Compact Hydraulic Excavator Detailed Introduction

Overview

The Hitachi ZX70 is a class-leading 7-ton compact hydraulic excavator developed and produced by Hitachi Construction Machinery, a world-renowned manufacturer of engineering equipment with over a century of expertise in heavy machinery R&D. Designed to balance power, maneuverability, fuel efficiency and long-term durability, it has become one of the most popular small excavator models in the global market, catering to the needs of construction contractors, equipment rental businesses, landscaping service providers and individual operators. It has multiple upgraded variants adapted to different regional emission standards, including the ZX70-5G (Tier 3/Stage IIIA compliant) and ZX70-6 (Tier 4 Final/Stage V compliant) versions.

Core Specifications (Standard Configuration)

Parameter	Detail
Operating Weight	6,510 – 7,200 kg (varies by track type and attachments)
Engine Model	Isuzu 4JG1 4-cylinder water-cooled industrial diesel engine
Rated Net Power	40.5 kW @ 2,200 rpm
Bucket Capacity	0.3 – 0.38 m³
Maximum Digging Depth	4,170 mm
Maximum Digging Reach	6,210 mm
Maximum Dumping Height	4,470 mm
Travel Speed	2.4 km/h (low gear) / 4.5 km/h (high gear)
Swing Speed	11 rpm
Hydraulic System Working Pressure	31.4 MPa
Fuel Tank Capacity	135 L

Key Performance Advantages

Reliable, Fuel-Saving PowertrainThe matched Isuzu diesel engine is proven for outstanding stability and low fuel consumption, delivering steady torque output even under heavy load conditions to avoid frequent stalling during tough digging operations. It meets strict regional emission requirements from Tier 3 to Stage V for different markets.
Advanced HIOS III Hydraulic SystemEquipped with Hitachi’s proprietary Hydraulic Innovation & Optimization System (HIOS) III, the ZX70 delivers ultra-responsive and precise operation. The system optimizes oil flow distribution to support smooth composite movements (e.g., simultaneous boom lifting, arm pulling and upper structure swinging) without lag, greatly improving operating efficiency. It also features boom and arm regeneration circuits that cut unnecessary energy loss, reducing overall fuel consumption by 10-15% compared to same-class competitors. A selectable ECO mode is available for light-load tasks, further lowering fuel use without sacrificing working performance.
Excellent ManeuverabilityWith a compact body design (total width of 2,320 mm) and small turning radius, the ZX70 can easily access narrow working spaces such as urban construction sites, indoor demolition sites, basements and farmland with limited access.

Structural Durability

Hitachi applies strict industrial standards to the ZX70’s structural design to extend its service life:

The boom, arm and standard bucket are made of high-strength wear-resistant steel, with reinforced welding points tested for extreme stress, adapting to heavy-duty working conditions such as hard soil digging and rock breaking.
The undercarriage is available in both steel track and rubber track options: steel tracks offer high wear resistance for harsh construction sites, while rubber tracks avoid damage to asphalt pavements and are suitable for municipal maintenance projects. All track rollers, idlers and carrier rollers are sealed and lubricated for life, reducing daily maintenance requirements.
The entire frame is treated with anti-corrosion and anti-rust coating, adapting to humid, coastal or saline-alkali working environments.

Operator Comfort & Safety

The ZX70’s cab is designed to reduce operator fatigue during long-hour operations:

It is certified with ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure) to ensure operator safety in case of rollover or falling construction debris.
The adjustable suspension seat with lumbar support fits operators of different heights, while the ergonomically designed control levers have short travel and low operating force, reducing hand and arm strain.
The fully sealed cab has excellent sound insulation, with internal noise controlled below 75 dB(A). The high-efficiency HVAC system provides fast heating and cooling, and a multi-layer air filter blocks dust and particulate matter from entering the cab.
Large panoramic windows and a narrow front pillar design eliminate blind spots, allowing operators to clearly observe the bucket and surrounding working area. A multi-function LCD display shows real-time operating data including fuel consumption, working hours and fault alerts.

Maintenance Convenience

The ZX70 is designed to cut downtime and maintenance costs:

All daily inspection and maintenance points (engine oil filter, fuel filter, air filter, hydraulic oil filter, etc.) are centrally arranged on the side of the body, accessible while standing on the ground without climbing onto the machine.
The dual-stage air filter has high filtration efficiency, with a long replacement cycle. The hydraulic oil replacement interval is extended to 4,000 working hours, and the engine oil replacement interval is 500 working hours.
It supports Hitachi’s Global e-Service remote monitoring system, allowing fleet managers to check real-time equipment location, working status, fuel consumption and fault warnings remotely. The built-in intelligent diagnostic system can quickly locate fault points, shortening maintenance time.

Application Scenarios

Thanks to its high versatility and attachment compatibility, the ZX70 is suitable for a wide range of working scenarios:

Municipal engineering: Trench digging for pipeline laying, road maintenance, sidewalk renovation
Landscaping: Tree pit digging, terrain leveling, irrigation channel excavation
Residential construction: Foundation digging, site clearing, construction waste removal
Agricultural projects: Farmland renovation, livestock shed construction, water conservancy facility building
Special operations: Indoor demolition, basement construction, material handling (when equipped with grabs), rock breaking (when equipped with hydraulic breakers), drilling (when equipped with augers)

Market Reputation

The Hitachi ZX70 is widely recognized for its ultra-high reliability, low operating cost and high residual value. Supported by Hitachi’s global after-sales service network and genuine spare parts supply, it remains a top choice for users looking for cost-effective 7-ton class excavators.

Non flooded

No accident

Original product

Used Hitachi ZX70 Excavator

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