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Construction Digger Blog

Tue October 17 2017

Related Information
Related Information
Related Information

Cat introduces its first electric drive loader

Digger Blogger | 15:54, Wed August 23 2017

Caterpillar has brought out a version of its 986K wheeled loader with an electric drive system.

The new Cat 988K XE is the first wheeled loader from Caterpillar with electric drive. It makes use of switched reluctance (SR) technology – which is an electric motor that runs by reluctance torque, Wikipedia tells me.

The C18 ACERT engine, mechanical dropbox, driveline and axles from the 988K all remain in the electric drive version.

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European debut for 120-tonne Hyundai R1200-9

Digger Blogger | 15:07, Wed August 16 2017

Hyundai’s new 120-tonner has been showing what it can do on a demolition project in Luxembourg.

Démolition et Terrassement XL from Nidderkuer in Luxembourg has been using its Hyundai R1200-9 excavator in the financial heart of Luxembourg City since March 2017, preparing the site of the new offices of the Bank of China. This is the first Hyundai machine of this size to be sold in Europe.

At the junction of Boulevard Royal and Rue Notre Dame, the excavator is breaking reinforced concrete foundations with a 7-tonne hydraulic breaker. The first task to complete is a 35-metre-deep, six-storey underground parking structure.

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Komatsu PC390HRD‐11 high reach demolition excavator

Digger Blogger | 10:05, Thu August 10 2017

The PC390HRD‐11 is the latest in Komatsu’s range of heavy duty demolition machines.

Komatsu says that it brings “best in class” working power to the 50-tonne machine sector. It can be configured in six different working arrangements, can carry a 2.5-tonne demolition tool up to a height of 26 metres, and can also work with a 4‐tonne demolition tool up to 15 metres. Komatsu says that it removes the need for multiple machines in the demolition process.

It was designed and developed, using customer feedback, by Komatsu UK in Birtley. As the standard PC390HRD‐11 is put together there, the whole machine works together as one complete system.

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A50 machines working close to home

Digger Blogger | 11:02, Mon July 31 2017

The JCB publicity machine didn’t have to look too far for this case study. A fleet of their crawler and wheeled excavators is beavering away on a highways project just metres from the factory where they were built.

Derbyshire-based earthmoving specialist, JC Balls & Sons is working for a Carillion-Tarmac joint venture on the A50 Growth Corridor Project A, constructing a grade-separated junction on the A50 dual carriageway to the west of Uttoxeter.

JC Balls has a mixed fleet of equipment on the project, including three 22-tonne JCB JS220 crawler excavators, a 36-tonne JS370, a wheeled JS175W and a 57C-1 compact excavator. Other machinery includes a JCB 714 articulated site dumper and a JCB VM115 soil compactor.

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Powerfab excavator kits, 2017 style

Digger Blogger | 10:31, Thu July 20 2017

I am sure many readers will remember David John and his Powerfab micro excavators, made in Wales. Well, I am happy to report that his son Nathan John has been in touch with news of an updated modification of his father’s old designs.

“I have recently built a small 360 micro excavator that has a removable powerpack,” he writes, “allowing the light (250 kg) excavator to be easily lifted from the bottom of a basement conversion.  Many people are considering a basement conversion, or basement extension, excavating below ground to gain space from a basement. Powerfab now offer this in the form of its micro 360 excavator.”

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