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34.1 kw
Net Power
8,430 – 9,060 kg
Operating Weight
0.13 – 0.33 m3
Bucket ISO Heaped
3,990 – 4,510 mm
Max Dig Depth

Hitachi ZX85USB-5A

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  • Specifications
  • Net Power: 34.1 kw
  • Operating Weight: 8,430 – 9,060 kg
  • Bucket ISO Heaped: 0.13 – 0.33 m3
  • Max Dig Depth: 3,990 – 4,510 mm
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  • Specifications
  • Net Power: 34.1 kw
  • Operating Weight: 8,430 – 9,060 kg
  • Bucket ISO Heaped: 0.13 – 0.33 m3
  • Max Dig Depth: 3,990 – 4,510 mm

Enquiry Form

The superior quality Hitachi ZX85USB is designed and built based on medium excavator technology, highly versatile it has been designed to exceed in challenging conditions.  The powerful 4-cylinder engine ensures high performance on tough excavating jobs, while the zero swing radius makes it ideal for working in confined spaces, particularly in urban areas, road construction, forestry and demolition projects.  The three pump hydraulic system has been designed to minimize pressure loss, resulting in higher speeds for the front attachment.  A multifunctional LCD monitor with large 7inch screen is positioned within easy reach of the operator and allows selection of ECO and PWR modes to control motion speed.  While the ISO-standard ROPS-compliant centre pillar reinforced structure cab (CRES V) provides additional legroom and rigidity to the machine, enhancing safety for the operator.


Yanmar 4TNV94L
4-cycle water-cooled, 4 cylinder direct injection diesel engine
Rated power
ISO 9249

34.1 kW at 2,000 min-1 (rpm)
Maximum torque
204 Nm at 1,000 min-1 (rpm)
Piston displacement
3.053 L
Bore and stroke
94 mm x 110 mm
2 x 12 V / 52 Ah
Hydraulic System
Main System:
Maximum Oil Flow

2 x 72 L/min
1 x 56 L/min
Pilot Pump:
Maximum Oil Flow
Relief Valve Settings:
Implement Circuit
Swing Circuit
Travel Circuit
Pilot circuit

20.0 L/min
26.0 MPa
26.5 MPa
31.4 MPa
3.9 MPa
Drive, Swing and Dig
Travel Speeds:

0 – 5.0 km/h
0 – 3.1 km/h

10.5 min-1
16.0 kNw
Max Digging Depth

3,990 – 4,510 mm
Service Capacities
Fuel tank
120.0 L
Engine coolant
7.0 L
Engine oil
12.3 L
Travel device (each side)
1.2 L
Hydraulic system
100.0 L
Hydraulic oil tank
56.0 L

Designed with you in mind...

  • ISO-standard ROPS-compliant centre pillar reinforced structure cab (CRES V) giving additional legroom and rigidity to the machine, with enhanced safety for the operator.
  • When moving the control lever to neutral, the auto idle automatically reduces engine speed to idling level four seconds later. This combined with the ECO mode significantly reduces fuel consumption. It also brings the additional benefits of lower noise levels and emissions.
  • The auto idle system ensures that while the engine speed is set over 1,800 min-1, as soon as all control levers are returned to the neutral position, the engine speed drops to 100 min-1.
  • 22% fuel saving in Eco mode (9% in HP) without any loss in productivity (compared to previous model) thanks to new three pump hydraulic system and efficient engine.
  • Powerful 4-cylinder engine provides substantial power for large excavating jobs.
  • Hose rupture valves to the boom and dipper rams prevents the boom and dipper from dropping in the event of a hose rupture. Offering additional safety and compliance on job sites.
  • Remote monitoring with Hitachi Global E-Service, including access to machine location via GPS, current machine hours, machine history, maintenance information and alarm and fault history. Plus a consolidated monthly report direct to your in-box (Consite).
  • Enlarged D Section frame skirt increases the machine’s durability.
  • Can be used with a variety of attachments.
  • Full manufacturers warranty.
  • Excellent residual values, with a worldwide after sales and service support network.
  • Short rear-end swing radius provides additional flexibility to manoeuvre and operate within tight, confined spaces. Ideal for working in urban areas, road construction, forestry and demolition projects.
  • High machine performance is provided by the three pump hydraulic system, providing smooth multi-function operation, regardless of the load.
  • The easy access cab with fully adjustable heated air suspension seat, and spacious legroom provides a comfortable working environment. The enlarged front window and door contribute to this further, while enhancing visibility.
  • Air Conditioning as standard, improving operator comfort.
  • Multi-function LCD monitor with a large seven-inch screen, providing a wide range of technical information, including machine’s status and settings with multi-lingual support in up to 32 languages.
  • The monitor and ergonomically designed switches have been grouped together within easy reach of the operator’s right hand.
  • The proportional switch in the new, optional, auxiliary function lever allows easy control of the front attachment.
  • The latest rear-view colour camera offers a closer view of the counterweight to minimise the blind spot.
  • The auto speed change system shifts down travel speed when the load exceeds a certain limit (for instance, when going downhill), and shifts up when the load is reduced. This gives smoother operations when dozing and turning, and also reduces track wear.
  • Neutral engine start system disables engine starting unless the lever is in lock position.
  • Filter-type, high-performance water separator provided as standard. This captures any moisture, even from fuel containing a relatively large proportion of water.
  • New electric fuel-refilling unit with filter has been installed to enable the excavator to be filled quickly and easily using an electric pump from a drum can. The in-built filter prevents any impurities from the drum entering the machine during refuelling.
  • From ground level, the fuel filters, engine oil filter and air cleaner are all easily accessible for checking and. The filters and water separator are now conveniently positioned in close proximity to one another.
  • Access to the upper structure of the machine has also improved thanks to the non-slip steps.
  • Any severe blockages of the radiator can be cleared by blowing air through the convenient opening cover.

Comprehensive Support as Standard

Support Chain

At Hitachi we aim to help keep your investment operating safely and in peak performance at all times, to minimise downtime and protect the high residual value associated with the Hitachi product. The services, facilities and products available through the Hitachi Support Chain will help to achieve this, keeping your machine working at its maximum potential.

Fleet management

Hitachi utilizes sophisticated on-board monitoring technology to collect vital, real time data for efficient operation of your machine, including fuel efficiency, CO2 emissions and idling time.

And now with CONSITE the revolutionary new complimentary customer support tool from Hitachi, a consolidated report can be delivered straight to your inbox.

Peace of Mind

When purchasing a technologically advanced Hitachi product, you can buy safe in the knowledge that your purchase can be backed by an optional unique service and extended warranty program – SOLAS:

  • ervice by Hitachi trained engineers
  • nly genuine and approved parts
  • ife of contract annual inspections
  • ll-round cover
  • econd-hand value enhancement with full dealer service history

When purchasing machinery and equipment for construction projects, it always pays to have a solid financial foundation. Whatever your needs – new or used equipment, a single unit or an entire fleet – you can find flexible finance solutions from Hitachi Capital that will help you to meet your business needs.

Ready to Help

Talk to us!  If you have a question or would like to make an enquiry, please call us on 0191 430 8400 or use the contact form and we will call you back within 24hrs (or first thing Monday if it’s a weekend).

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Copyright © 2019 Hitachi Construction Machinery (UK) Limited, Monkton Business Park North, Hebburn, Tyne and Wear NE31 2JZ. Tel: (0191) 430 8400