Used Hitachi ZX240-3G Excavator

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Detailed Introduction to HITACHI ZX240-3G Crawler Excavator

The Hitachi ZX240-3G is a 24-ton class medium crawler excavator developed and manufactured by Hitachi Construction Machinery, a global leader in construction equipment. As a core model in Hitachi's proven ZX-3G product line, it is designed to balance high power output, exceptional fuel efficiency, outstanding durability and low operating costs, making it a top choice for medium to heavy-duty construction scenarios worldwide, especially for regions with harsh working conditions and variable fuel quality.

1. Core Specifications

Parameter	Specific Value
Operating Weight	23,800 – 24,500 kg
Rated Power	125 kW (168 hp) @ 2,100 rpm
Standard Bucket Capacity	1.0 – 1.3 m³ (optional 1.5 m³ bucket for light material handling)
Max Digging Depth (standard 2.96m dipper)	6,710 mm
Max Digging Height	9,620 mm
Max Dumping Height	6,690 mm
Swing Speed	13.5 rpm
Travel Speed	3.3 km/h (low) / 5.5 km/h (high)
Standard Ground Pressure	47 kPa

2. Powertrain System

The ZX240-3G is equipped with an industry-proven ISUZU AA-6BG1T 4-stroke, 6-cylinder, water-cooled, turbocharged direct-injection diesel engine, which complies with EU Stage II / US EPA Tier 2 emission standards.

The direct-injection design greatly improves tolerance to low-quality fuel, effectively avoiding common failures such as injector clogging in high-pressure common rail systems, which is highly suitable for construction sites in emerging markets.
Hitachi's optimized fuel injection calibration and automatic idle reduction function reduce fuel consumption by up to 10% compared to the previous generation ZX240-3, while ensuring sufficient power output for heavy digging operations.
The two-stage dry air filter with pre-cleaner and built-in fuel pre-filter system further extend engine service life in dusty and harsh working environments, and support reliable cold start at temperatures as low as -15℃ without additional auxiliary devices.

3. Hydraulic System

The ZX240-3G adopts Hitachi's exclusive third-generation HIOS (Hitachi Intelligent Hydraulic System) negative flow control system, which realizes highly precise matching between engine power and hydraulic pump output, effectively reducing hydraulic loss and improving operation response speed.

The independent pilot control system ensures smooth and coordinated composite operations (such as simultaneous digging, swinging and boom lifting), significantly improving operation efficiency.
Operators can switch between three working modes according to actual scenarios: P (Power) mode for heavy-duty digging and breaking, E (Economy) mode for conventional construction to reduce fuel consumption, and L (Light) mode for precision operations such as trenching and finishing.
The hydraulic system is equipped with a high-efficiency filtration system, extending the hydraulic oil replacement interval to 5,000 hours, greatly reducing daily maintenance costs. All core hydraulic components (main pump, main control valve, travel motor, swing motor) are original Hitachi manufactured, with low leakage rate and long service life.

4. Structural Design & Durability

The whole machine adopts a heavy-duty structural design to adapt to long-term high-load operations:

Undercarriage: The X-type box-type lower frame is welded with high-strength low-alloy steel, with excellent torsion and impact resistance. The track shoes, support rollers, idlers and carrier rollers are all subjected to high-frequency quenching treatment, with wear resistance increased by 20% compared with ordinary products. Optional widened track shoes reduce ground pressure to 38 kPa, suitable for operation on soft ground such as marshes and farmland.
Working device: The boom and dipper arm are reinforced with thickened steel plates and additional reinforcing ribs at stress concentration positions, which can withstand long-term impact loads during breaking and heavy digging operations. Optional extended boom and dipper arm combinations are available for special scenarios such as deep excavation and high dumping.
Safety certification: The cab meets international ROPS (Roll-over Protective Structure) and FOPS (Falling Object Protective Structure) standards, fully protecting the personal safety of operators in case of rollover or falling objects on construction sites. The whole machine is coated with dual anti-corrosion coatings, which can adapt to high humidity, high salt spray and other harsh environments, and the body service life is extended to more than 15,000 working hours under normal use.

5. Operator Comfort & Safety

The cab of ZX240-3G is designed with ergonomics as the core, providing a comfortable working environment for long-time operation:

The fully sealed and shock-absorbing cab has a sound insulation level of 72 dB(A), which is 15% lower than similar products, effectively reducing operator fatigue.
The multi-adjustable air suspension seat is matched with adjustable armrests, which can be adapted to operators of different heights and body types.
The high-definition LCD instrument panel displays real-time operating data such as fuel consumption, oil temperature, hydraulic pressure and fault codes, so that operators can grasp the equipment status at any time.
The low-effort pilot control joystick has a reasonable stroke design, which will not cause hand fatigue even after 8 hours of continuous operation.
The high-efficiency air conditioning system has 6 adjustable air outlets, which can quickly cool or heat the cab, adapting to extreme working environments from -20℃ to 45℃.

In terms of safety, it is equipped with a travel alarm, reverse buzzer, hydraulic lock lever (all hydraulic actions are disabled when the lever is lifted), and emergency descent function, which can lower the working device to a safe position even when the engine is suddenly turned off.

6. Maintenance & Cost Efficiency

Hitachi has optimized the maintenance layout of the ZX240-3G, all daily maintenance points are arranged at the accessible position on the ground, and the replacement of oil filters, air filters and fuel filters does not require climbing the body, which reduces the maintenance time by 30% compared with the previous generation.The extended replacement intervals of consumable parts also reduce operating costs: engine oil is replaced every 250 working hours, gear oil every 1,000 working hours, and hydraulic oil every 5,000 working hours.Users can also optional Hitachi's Global e-Service remote monitoring system, which can remotely view the operating data, location and fault information of the equipment, realize predictive maintenance, and reduce unplanned downtime by more than 20%. Hitachi has a global after-sales service network, and the general accessories of ZX240-3G have high versatility, and the maintenance cost is 15% lower than similar models of other brands.

7. Application Scenarios

The ZX240-3G has strong versatility, and can be adapted to a variety of operation scenarios by replacing different attachments:

Conventional construction: municipal engineering, road construction, foundation excavation, house demolition
Mining and quarrying: ore loading, stripping, rock breaking with hydraulic breaker
Special operations: wood handling with log grab, pipeline laying with auger, slope finishing with ripper
Water conservancy projects: river dredging, embankment construction with extended arm

Summary

Overall, the Hitachi ZX240-3G is a highly cost-effective 24-ton class excavator, with outstanding reliability, low operating cost and strong adaptability to harsh working conditions, which has been widely recognized by construction contractors around the world, and is an ideal choice for medium and large engineering projects.

Non flooded

No accident

Original product

Used Hitachi ZX240-3G Excavator

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