Tokyo, Japan October 22, 2020 —- Hitachi Construction Machinery Co., Ltd. (TSE: 6305; ‟Hitachi Construction Machinery”) today announced that the company will launch the Hitachi EX2000-7 ultra-large hydraulic excavator in October 2021.The EX2000-7 is remodeled from EX1900-6 and consumes up to 19% less fuel while maintaining the same productivity. EX2000-7 has high durability of structural parts achieved by the design employed on the current EX-7 series machines and it can incorporate support services for repair works and inspections based on ICT and IoT. In addition, it achieves higher fuel efficiency due to an entirely new hydraulic circuit, an addition of a work mode selection function, etc. Because of drastic cutbacks in fuel consumption, the machine contributes to reduction of environmental impact and the life-cycle cost. Since the first large hydraulic excavator UH50 (operating weight: 159 tons) was launched in 1979, ultra-large hydraulic excavators by Hitachi Construction Machinery have worked at mine sites throughout the world gaining a reputation for high productivity, reliability, durability, etc. Also, we have provided solutions such as mining equipment utilizing ICT and IoT and operation control systems to address challenges faced by customers such as improvement of safety and productivity and the reduction of life-cycle costs. At an operating weight of 193 tons, the EX2000-7 is one of the smaller Hitachi EX-7 ultra-large excavators, high demand is expected from small-to medium-sized mining and quarrying operations, to whom fuel efficiency is critically important. The EX2000-7’s impressive 19% fuel saving has been achieved through a range of new designed, energy-efficient features that have made the engine more compact while retaining outstanding productivity. When compared with its predecessor, the EX1900-6, the EX2000-7 can save as much as 460 tons of CO2 emissions per year per machine2.
Diagram 1: Relationship diagram showing production per unit time and fuel consumption per unit time of the EX2000-7 in each work mode. EX1900-6 included (▲) for comparison purposes.
Features of EX2000-7
Hydraulic oil flow is controlled according to the operating pattern and front-end attachment geometry
An all-new hydraulic control system has been developed and, for the first time, employed for an ultra-large hydraulic excavator which allows more precise management of the hydraulic oil flow in each control valve throughout the digging and loading cycle.
In the operation of a hydraulic excavator, the operator finely adjusts the boom, arm, bucket and swing speed with the operating levers to quickly bring the bucket to the digging position after digging and loading mineral ores or other materials to a dump truck. Under this scenario a conventional hydraulic circuit would return unused or excess oil circulated throughout this cycle from the hydraulic pumps back to the oil tank, which constituted a loss of energy and presented a room for improvement. In the EX2000-7’s new hydraulic circuit, the oil flow rate to each cylinder(for boom, arm, or bucket)and swing motor is independently controlled for each operational pattern such as excavation, swinging or dumping and the load to the front-end attachment to optimize energy efficiency of the system. Thus, fuel consumption is kept as low as possible.
Delivery flow rates of the hydraulic pumps are finely controlled by electronic regulators
Hitachi EX-7 excavator all hydraulic pumps are equipped with electric regulators to precisely control oil flow, based on operating lever positions and engine load. Fuel consumption is lowered by finely controlling the delivery rate of each pump according to the operating lever positions, which are controlled by the operator, and machine load.
Work Mode Selection Function
A new mode selection feature on the EX2000-7 now allows the operator to select one of three working modes – High Power (HP) Mode, Power (PWR) Mode or Economy (ECO) Mode – to optimize productivity and fuel efficiency for different types of operation. This feature has been applied to medium- and small-sized hydraulic excavators.
High Power (HP) Mode is suitable for heavy-duty operations such as bedrock excavation. It reduces fuel consumption by up to 19% with the same productivity as the EX1900-6. Power (PWR) Mode is suitable for most general operations. Fuel consumption is reduced by about 25% and productivity by 10% compared to the EX1900-6. Economy (ECO) Mode is suitable for light operations. Fuel consumption is reduced by up to 40% and productivity by about 30% compared to the EX1900-6.
(Refer to Diagram 1)
The EX2000-7 ultra-large hydraulic excavator (for illustrative purposes only)
"Ultra-Large Hydraulic Excavator Coming Oct 21"
Basic Specifications Table: JIS: Japanese Industrial Standards
Technology continues to be further developed in an effort to reduce greenhouse gas emissions.
Strengthening of the front-end attachment structures
The EX2000-7 boom-arm joint area and main frames are now designed in line with our larger mining machines. The pin connection between the boom and arm has changed from a single pin to a double pin, which is employed for larger excavators (250 ton and heavier). This has made the boom and arm stronger and much lighter3, allowing for safer and easier pin replacement to help further reduce life-cycle costs. Following utilizing operating data the main frame has also been redesigned by analyzing its stress condition to disperse stress as evenly as possible during operation, increasing durability of the machine.
Upgraded oil cooler and radiator by optimally controlling the rotating speed of the fans
On EX-7 series machines, the rotating speed of the oil cooler fan is increased in proportion to the increase of hydraulic oil temperature to cool the hydraulic oil. The speed of the radiator fan is controlled by taking into account both the ambient temperature and the engine coolant temperature. Through this innovation, thermal degradation of the seals of hydraulic components is prevented and cracking and scoring of their internal parts due to thermal expansion are also prevented. As a result, reliability of the hydraulic pumps, the cylinders and the motors are increased and energy efficiency is also increased, contributing to a reduction in fuel consumption.
Far-reaching expansion of functionalities for supporting mining operations
ConSite® Mine (scheduled for release in 2021) helps resolve problems at mine site efficiency through the use of IoT and AI (Artificial Intelligence) technologies. It will be available for the Hitachi EX-7 series to contribute to minimize machine downtime and to stable operation of machines.
Additional to ConSite® Mine, the EX2000-7 will come ready for the integration of a Remote Operation System, Operation Support System and Autonomous Operation function, all for which testing is scheduled to begin within fiscal year 2021. In the future, Hitachi Construction Machinery will realize autonomous mining operation by coordinating hydraulic excavators and AHS (Autonomous Haulage System), which will enhance safety and productivity to a new level.
The Hitachi Construction Machinery group will contribute to “Safety enhancement,” “Productivity enhancement” and “Reduction of life-cycle cost”, which are challenges faced by customers, as a close and reliable partner.
(Refer to Basic Specifications Table)
1 When operated in HP mode.
2 Difference calculated between EX2000-7 and EX1900-6 using rated output power, fuel consumption amounts per unit of time and engine load factors, with final difference converted to CO2 emissions per year.
3 Applies only to BE front (Backhoe front attachment for bulk excavation)
4 SI (International System of Units) base units are used.
Trademark notice
“ConSite” is a registered trademark of Hitachi Construction Machinery Co., Ltd.
Related Information
July 5, 2018: Hitachi Construction Machinery Announces New EX-7 Series Mining Excavators
July 16, 2020: Verification Tests to Start Directed at the Development of Autonomous Ultra-Large Hydraulic Excavators
September 30, 2020: ConSite® Mine developed by utilizing IoT and AI technologies helps maintain availability and extend the life of valuable mine equipment
# # #
Information contained in this news release is current as of the date of the press announcement, but may be subject to change without prior notice.
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This week we recognised and thanked the incredible women across our business.
From workshops and mine sites to branches and offices, the leadership, capability, energy and perspective they bring every day continues to shape the future of our company.
As Ray Kitic shares in this message, our commitment goes beyond recognition. We remain focused on strengthening the pathways and opportunities that support the growth and success of women across our organisation.
Celebrating International Women’s Day
Today we recognise International Women’s Day and celebrate the contributions of women across our business and the wider construction and mining industries.
From the workshop floor and mine sites to engineering, operations, and leadership, women continue to play an important role in shaping the future of our industry.
At Hitachi Construction Machinery Australia, we’re proud to work alongside talented women across our branches, supporting innovation, capability, and progress every day.
Happy International Women’s Day!
Six years in the Army.
Now a fourth-year apprentice in Toowoomba.
Taleisha didn’t come into the trades the traditional way. After serving in the Army, she began her apprenticeship elsewhere but felt she wasn’t getting the hands-on experience needed to properly build her skills.
That changed when she joined the team.
Today her weeks can include new builds in the workshop, site work at mines, or jobs at local quarries. She works on loaders and mining equipment, services machines, installs pumps and supports major builds — backed by formal OEM training and experienced technicians around her.
Like every apprentice, she has made mistakes. On one job she damaged a seal during installation. She reported it straight away. The team worked through what happened and how to correct it.
That is how competence is built.
Six months ago, she completed her first solo service on a customer machine. It was a small milestone, but an important one — proof of progress and trust earned.
No two days look the same. That is what she values most.
Her focus now is finishing her apprenticeship and continuing her career as a tradesperson long term.
This is what development looks like:
Experience. Accountability. Support.
And technicians who are built to last.
Building better roads with the right gear.
Sandridge Roads continues to invest in performance and reliability, adding two Hitachi ZX260LC-7 excavators and one Hitachi ZX85USB-7 to their fleet over the past 18 months.
Specialising in civil construction and road infrastructure, Sandridge Roads is known for delivering high-quality outcomes across residential and commercial projects. With machines designed for durability, efficiency and operator comfort, their Hitachi fleet is helping keep projects moving safely and productively.
We appreciate the continued partnership and trust in Hitachi equipment.
Here’s to many more kilometres of quality work ahead. 💪 🍊 💪
Out on site in Denman Prospect this overcast morning, supporting the team where it matters most.
Our Canberra crew dropped service parts to HCA fitter, currently backing up Proline Civils’ impressive (and impeccably clean 👌) Hitachi ZX260LC-7.
It’s all about keeping machines moving and projects on track. Reliable support, delivered on the ground.
A big thanks to Josh and the Proline Civils team for having us on site.
♻️ Delivered: Hitachi ZX135US-7H to Triple R Solutions – Melbourne
We’re proud to have delivered a new Hitachi ZX135US-7H excavator to the team at Triple R Solutions, a leading recycling company setting high standards in waste and recycling services across Melbourne.
Committed to quality service while remaining competitive, Triple R Solutions provides comprehensive rubbish removal and skip bin hire services ranging from 3m³ to 30m³.
This latest addition strengthens an already loyal Hitachi fleet, which includes a ZX40U-3, ZX17U-5 and ZX48U-5. The new ZX135US-7H replaces their previous ZX135US-3, continuing a long-standing partnership built on reliability and performance.
Thank you to the Triple R Solutions team for your continued trust in Hitachi equipment. We look forward to supporting your operations into the future.
@triple_r_solutions
From Trade Assistant to Apprentice Plant Mechanic 👏
At our Wacol branch, Nick is stepping into the next chapter of his journey.
Starting out as a Trade Assistant, Nick has now taken the leap into an Apprentice Plant Mechanic role - bringing hands-on experience, a strong work ethic, and a clear focus on safety.
For Nick, safety isn’t just a checklist. It’s about looking out for your team, doing the job properly, and making sure everyone goes home the way they arrived.
And he’s just getting started.
Nick is looking forward to getting up close with our mining equipment and continuing to build his skills alongside the team.
The future’s looking solid. 💪
📍 Port Lincoln | SA
Last week, our team had the pleasure of delivering a Hitachi ZX135US-7H to Groundwork Landscaping, right in the heart of South Australia’s seafood capital.
This latest addition strengthens Groundwork Landscaping’s fleet and continues a long-standing relationship with the orange brand. Owner Jarrad is a loyal Hitachi customer, already operating ZX33U-5 and ZX55U-5 machines - a testament to the reliability, performance, and versatility of Hitachi excavators across landscaping and civil applications.
We’d like to thank Jarrad and the team at Groundwork Landscaping for their continued trust and support. We look forward to seeing the ZX135US-7H hard at work across projects on the Eyre Peninsula.
@groundworklandscaping_
Wheel Loaders made by Japanese craftsmanship🎌the perfect way to make them.
#HCA #OrangeFamily🍊 #LANDCROS #WheelLoaders #Japanese #Craftsmanship
This week we recognised and thanked the incredible women across our business.
From workshops and mine sites to branches and offices, the leadership, capability, energy and perspective they bring every day continues to shape the future of our company.
As Ray Kitic shares in this message, our commitment goes beyond recognition. We remain focused on strengthening the pathways and opportunities that support the growth and success of women across our organisation.
Celebrating International Women’s Day
Today we recognise International Women’s Day and celebrate the contributions of women across our business and the wider construction and mining industries.
From the workshop floor and mine sites to engineering, operations, and leadership, women continue to play an important role in shaping the future of our industry.
At Hitachi Construction Machinery Australia, we’re proud to work alongside talented women across our branches, supporting innovation, capability, and progress every day.
Happy International Women’s Day!
Six years in the Army.
Now a fourth-year apprentice in Toowoomba.
Taleisha didn’t come into the trades the traditional way. After serving in the Army, she began her apprenticeship elsewhere but felt she wasn’t getting the hands-on experience needed to properly build her skills.
That changed when she joined the team.
Today her weeks can include new builds in the workshop, site work at mines, or jobs at local quarries. She works on loaders and mining equipment, services machines, installs pumps and supports major builds — backed by formal OEM training and experienced technicians around her.
Like every apprentice, she has made mistakes. On one job she damaged a seal during installation. She reported it straight away. The team worked through what happened and how to correct it.
That is how competence is built.
Six months ago, she completed her first solo service on a customer machine. It was a small milestone, but an important one — proof of progress and trust earned.
No two days look the same. That is what she values most.
Her focus now is finishing her apprenticeship and continuing her career as a tradesperson long term.
This is what development looks like:
Experience. Accountability. Support.
And technicians who are built to last.
Building better roads with the right gear.
Sandridge Roads continues to invest in performance and reliability, adding two Hitachi ZX260LC-7 excavators and one Hitachi ZX85USB-7 to their fleet over the past 18 months.
Specialising in civil construction and road infrastructure, Sandridge Roads is known for delivering high-quality outcomes across residential and commercial projects. With machines designed for durability, efficiency and operator comfort, their Hitachi fleet is helping keep projects moving safely and productively.
We appreciate the continued partnership and trust in Hitachi equipment.
Here’s to many more kilometres of quality work ahead. 💪 🍊 💪
Out on site in Denman Prospect this overcast morning, supporting the team where it matters most.
Our Canberra crew dropped service parts to HCA fitter, currently backing up Proline Civils’ impressive (and impeccably clean 👌) Hitachi ZX260LC-7.
It’s all about keeping machines moving and projects on track. Reliable support, delivered on the ground.
A big thanks to Josh and the Proline Civils team for having us on site.
♻️ Delivered: Hitachi ZX135US-7H to Triple R Solutions – Melbourne
We’re proud to have delivered a new Hitachi ZX135US-7H excavator to the team at Triple R Solutions, a leading recycling company setting high standards in waste and recycling services across Melbourne.
Committed to quality service while remaining competitive, Triple R Solutions provides comprehensive rubbish removal and skip bin hire services ranging from 3m³ to 30m³.
This latest addition strengthens an already loyal Hitachi fleet, which includes a ZX40U-3, ZX17U-5 and ZX48U-5. The new ZX135US-7H replaces their previous ZX135US-3, continuing a long-standing partnership built on reliability and performance.
Thank you to the Triple R Solutions team for your continued trust in Hitachi equipment. We look forward to supporting your operations into the future.
@triple_r_solutions
From Trade Assistant to Apprentice Plant Mechanic 👏
At our Wacol branch, Nick is stepping into the next chapter of his journey.
Starting out as a Trade Assistant, Nick has now taken the leap into an Apprentice Plant Mechanic role - bringing hands-on experience, a strong work ethic, and a clear focus on safety.
For Nick, safety isn’t just a checklist. It’s about looking out for your team, doing the job properly, and making sure everyone goes home the way they arrived.
And he’s just getting started.
Nick is looking forward to getting up close with our mining equipment and continuing to build his skills alongside the team.
The future’s looking solid. 💪
📍 Port Lincoln | SA
Last week, our team had the pleasure of delivering a Hitachi ZX135US-7H to Groundwork Landscaping, right in the heart of South Australia’s seafood capital.
This latest addition strengthens Groundwork Landscaping’s fleet and continues a long-standing relationship with the orange brand. Owner Jarrad is a loyal Hitachi customer, already operating ZX33U-5 and ZX55U-5 machines - a testament to the reliability, performance, and versatility of Hitachi excavators across landscaping and civil applications.
We’d like to thank Jarrad and the team at Groundwork Landscaping for their continued trust and support. We look forward to seeing the ZX135US-7H hard at work across projects on the Eyre Peninsula.
@groundworklandscaping_
Wheel Loaders made by Japanese craftsmanship🎌the perfect way to make them.
#HCA #OrangeFamily🍊 #LANDCROS #WheelLoaders #Japanese #Craftsmanship
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