Used Hitachi ZX120 Excavator

Reading: 2015

Detailed Introduction of Hitachi ZX120 Crawler Excavator

The Hitachi ZX120 is a classic 12-ton class medium crawler excavator developed and produced by Hitachi Construction Machinery, a world-leading construction equipment manufacturer. Praised for its balanced performance, ultra-high fuel efficiency, durable structure and user-friendly operation, it has been one of the best-selling models in the global 10-14 ton excavator segment for many years.

1. Core Performance Parameters

Indicator	Specification
Operating weight	11,800 kg – 12,600 kg (varies with bucket, counterweight and track shoe configurations)
Engine (ZX120-6 classic version)	Isuzu CC-4JG1 4-cylinder water-cooled diesel engine, rated power 66kW (88.5hp) at 2200rpm, compliant with EU Stage 3 / China National 3 emission standards
Engine (ZX120-7 latest version)	Isuzu 4JJ1X diesel engine with post-treatment system, rated power 67kW, compliant with EU Stage 5 / China National 4 emission standards
Bucket capacity	0.52 m³ – 0.65 m³
Max digging depth	5,570 mm (standard boom/arm); up to 7,200 mm with extended arm configuration
Digging force	Bucket digging force 99kN, arm digging force 62kN
Travel speed	3.4 km/h (low speed), 5.5 km/h (high speed)
Swing speed	11.5 rpm
Fuel tank capacity	250 L
Hydraulic oil capacity	130 L

2. Core Technical Advantages

(1) High Efficiency & Low Fuel Consumption

It is equipped with Hitachi's proprietary HIOS III (Hitachi Integrated Open-center System III) hydraulic system, which realizes precise matching between engine output and hydraulic flow, reduces pressure loss by 12% compared with the previous generation, and improves composite operation efficiency by 8% while reducing fuel consumption by 10-15% under the same workload. It supports 3 working mode switching: Power mode for heavy load excavation, ECO mode for fuel saving under light load, and auto-idle function that automatically reduces engine speed when the equipment is idle for more than 3 seconds, further reducing unnecessary fuel waste.

(2) Ultra-high Structural Durability

The boom, arm and upper frame are welded with high-tensile steel plates, and key stress positions are reinforced with cast parts after finite element simulation analysis, which can resist strong impact in harsh working conditions. The undercarriage adopts high-manganese steel track shoes, hardened support rollers and idlers, and its wear resistance is 20% higher than competing models. The design service life of core structural parts reaches 15,000 hours under normal working conditions.

(3) Safe & Comfortable Operation

The cab is ROPS (Roll Over Protective Structure) and FOPS (Falling Object Protective Structure) certified, with large panoramic glass to reduce operation blind spots. The fully adjustable suspension seat and short-stroke low-resistance operating joystick greatly reduce operator fatigue during long working hours. The interior noise is controlled at only 72dB(A), and it is equipped with a high-definition monitoring display that shows real-time data such as fuel consumption, working hours and fault codes. A rear-view camera is optional for safer reversing.

(4) Low Maintenance Cost

All daily maintenance points are arranged at ground-accessible positions: oil filters, fuel filters, hydraulic return filters and air filters are all set on the side of the pump compartment, so operators do not need to climb the upper structure for routine inspection. The extended maintenance intervals (engine oil change every 500 hours, hydraulic oil change every 5,000 hours, air filter replacement every 1,000 hours in dusty conditions) greatly reduce downtime and maintenance costs. Optional Hitachi remote monitoring system supports real-time equipment status tracking and fault early warning.

3. Application Scenarios

Its compact size and flexible maneuverability make it suitable for a wide range of working scenarios:

Urban municipal projects: trench digging, pipeline laying, site leveling, road repair
Landscaping and agricultural construction: tree pit excavation, farmland renovation, irrigation ditch digging
Small and medium construction sites: foundation excavation, material handling, small building demolition
Small quarries and mining sites: ore loading, site clearing

It can be matched with a variety of attachments (hydraulic breaker, grapple, auger, ripper, tilt bucket, etc.) to meet special operation needs.

4. User Value

The Hitachi ZX120 has an extremely high resale value in the global second-hand construction equipment market: a well-maintained ZX120 retains more than 60% of its original value after 5 years of operation, 10-15% higher than most competing models in the same class. Hitachi's after-sales network covers more than 120 countries around the world, with sufficient spare parts supply and professional technical support to ensure timely service for users in different regions.

Non flooded

No accident

Original product

Used Hitachi ZX120 Excavator

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