Used Hitachi ZX120 Crawler Excavator for Construction

The Used Hitachi ZX120 Crawler Excavator is a practical 12-ton-class machine designed for contractors, equipment dealers, rental fleets and construction companies that need a versatile excavator for daily earthmoving work.

With an operating weight of about 11,500 kg, a 0.52 m³ bucket and a compact transport width of 2,490 mm, the ZX120 combines useful digging capacity with easy jobsite movement. Therefore, it fits road construction, utility work, foundation digging, landscaping, municipal projects and general excavation.

The machine uses a crawler undercarriage for stable operation on soil, gravel and uneven ground. In addition, its hydraulic system provides responsive boom, arm and bucket movement for both digging and loading tasks.

Isuzu Diesel Engine for Reliable Daily Operation

The Hitachi ZX120-5A is equipped with an Isuzu GJ-4JJ1XKSA-03 four-cylinder diesel engine.

The 2.999 L engine uses water cooling, turbocharging and intercooling. Rated gross output reaches approximately 73 kW at 2,000 rpm, while published net output is about 69 kW.

This power range is well suited to medium excavation work. At the same time, the engine size helps balance digging performance with fuel use during longer working shifts.

For buyers of used construction machinery, the Isuzu engine platform is also familiar in many markets, which can help simplify routine service and parts sourcing.

Strong Hydraulic Digging Performance

The ZX120 uses a hydraulic system built around variable axial piston pumps.

The standard configuration provides approximately 95 kN bucket digging force and 57 kN arm digging force. Swing speed reaches about 13.5 rpm. These figures give the excavator enough force for soil excavation, trenching, loading and foundation work.

The boom and arm dimensions also support a balanced working range. A 4,270 mm boom works together with a 2,260 mm arm, helping the operator reach deeper areas without moving the machine too often.

Reference Technical Specifications

Reference ZX120-5A specifications are consistent with Hitachi and independent equipment data.

Actual specifications of an individual used machine should be confirmed by serial number, production year and equipment configuration.

5.05 Meter Maximum Digging Depth

For trenching and foundation work, digging depth is an important purchasing factor.

The ZX120 offers a maximum digging depth of approximately 5,050 mm and a maximum digging radius of approximately 7,740 mm.

As a result, the machine can handle drainage trenches, underground pipe installation, building foundations and general excavation without moving the crawler base too frequently.

Its maximum digging height reaches around 8,140 mm, while maximum dumping height is approximately 5,730 mm. This also makes it suitable for loading excavated material into dump trucks.

Stable Crawler Undercarriage

The steel crawler system distributes machine weight over a wide ground area.

This improves stability when digging on loose soil and uneven construction sites. The ZX120-5A reference configuration uses 500 mm track shoes, while minimum ground clearance is around 410 mm.

The crawler design is especially useful for earthmoving contractors because it allows the excavator to work where wheeled machines may have limited traction.

Before delivery, used-equipment buyers should inspect track chains, rollers, sprockets, idlers and track shoes because undercarriage condition directly affects long-term operating cost.

Operator Cab and Working Visibility

The enclosed cab gives the operator a clear view of the boom, arm, bucket and surrounding work area.

The photos show a protected front cab structure, wide glazing and straightforward control layout. These features are suitable for operators who spend long periods performing trenching or repetitive loading work.

The hydraulic controls allow the operator to make smooth digging movements, while the compact upper structure helps maintain visibility around the jobsite.

Applications of the Used Hitachi ZX120

The Hitachi ZX120 is suitable for a wide range of commercial projects, including road construction, trench excavation, utility installation, residential foundations, landscaping, farm earthwork, municipal engineering and material loading.

Its 12-ton operating class also makes it suitable for contractors who need more productivity than a mini excavator while still requiring easier transport than a large 20-ton machine.

For overseas equipment distributors, it can also fill the medium crawler excavator category between compact and full-size machines.

Inspection Points for Used Equipment Buyers

Before purchasing a used Hitachi ZX120, buyers should review the machine condition rather than relying only on the model specification.

Important inspection areas include the engine, hydraulic pumps, cylinders, boom pins, arm pins, swing bearing and undercarriage. Hydraulic hoses should also be checked for leakage or aging.

In addition, test the travel motors, swing function and digging cycle under load. The bucket, boom and arm should operate smoothly without excessive movement at the joints.

Machine hours, serial number and available maintenance records should also be confirmed before shipment.

Built for B2B Equipment Purchasing

For contractors, machinery traders and project companies, used equipment purchasing often depends on machine condition, configuration, shipping dimensions and application requirements.

The Hitachi ZX120 offers a widely recognized 12-ton crawler platform with a 0.52 m³ bucket, useful digging depth and compact transport dimensions.

Buyers can confirm machine photos, working hours, production year, engine condition, undercarriage condition and attachment requirements before placing an order. Shipping plans can then be arranged according to the destination market and transport method.

FAQ

What is the operating weight of the Hitachi ZX120?
The referenced ZX120-5A configuration has an operating weight of approximately 11,500 kg.

What bucket capacity does the ZX120 use?
Standard bucket capacity is approximately 0.52 m³.

What engine is used in the Hitachi ZX120?
The ZX120-5A uses an Isuzu GJ-4JJ1XKSA-03 four-cylinder diesel engine.

How deep can a Hitachi ZX120 excavate?
Maximum digging depth is approximately 5,050 mm in the referenced configuration.

Is the Hitachi ZX120 suitable for road construction?
Yes. It can be used for trenching, roadbed work, drainage construction, material loading and general earthmoving.

Can the specifications of a used ZX120 vary?
Yes. Production year, regional configuration, bucket type, track width and optional equipment can affect final specifications.

What should buyers inspect before purchasing?
Check the engine, hydraulic system, cylinders, boom and arm pins, swing bearing, undercarriage, operating hours and service records.