Job reports

The Liebherr PR 776 Mining Dozer in operation at Chernigovsky Mine, Russia.

The Chernigovsky Mine is located in the Kedrovsko-Krokhalevsky Coal Deposit in the northern part of the Kemerovo Region.

Local reserves available for open-pit mining amount to 220 million tonnes which will provide the mine with at least 30 years’ worth of operation.

Key requirements for the new dozer were high performance, moderate fuel consumption, ease of steering and continuous operation.

The Liebherr PR 776 Mining Dozer in operation at Wilpinjong Mine, Australia.

Wilpinjong mine is owned and operated by Peabody Australia and is one of the lowest-cost thermal coal mining operations in Australia.

The Liebherr PR 776 Mining Dozer in operation at Ewington Coal Mine, Australia.

Ewington Coal Mine, run by the Griffin Coal Mining Company Pty Ltd, is an open cut thermal coal mine located in Western Australia. The mine has been in operation since 1925 and produces approximately 4.5 million tonnes of coal annually.

A 12-month trial of a Liebherr PR 776 70-tonne mining dozer was conducted on this site from August 2019 to July 2020.

The Liebherr R 996 mining excavator at Sangatta coal mine, Indonesia Operated by PT Kaltim Prima Coal (KPC).

Since 1997, Liebherr has delivered to KPC a large fleet of 600t and 800t class hydraulic excavators complemented by some 100t excavators as well as a fleet of 363t off-highway trucks to satisfy KPC’s global coal output challenging objectives while maintaining the best cost efficiency.

The Liebherr T 284 Mining Truck at Collahuasi copper mine, Chile.

The main challenge of operating at the Collahuasi mine is the altitude, which reaches more than 4,800 meters (15,700 ft) in some sections of the mine.

The design of the T 284 and the implementation of the high altitude package has helped Collahuasi maintain its production rates, which are similar to its previous year.

The Liebherr PR 776 Mining Dozer in operation at Rix's Creek mine, Australia.

The aim was to study the performance of the PR 776 against its competitor machine, in the largest market in Australia for the current benchmark 70 tonne class mining dozer. This

was enabled through the firm partnership between Liebherr and Rix's Creek mine: a well-established and reputable miner with extensive knowledge of the market and existing fleet of competitor machines.

The Liebherr R 9200 Mining Excavator at Beeshoek iron ore mine, South Africa Operated by Assmang Pty. Ltd.

As this machine demonstrated high performances and has

performed successfully by exceeding production expectation

continuously, Assmang itself decided to own it for Beeshoek Mine.

The Liebherr R 9150 Mining Excavator at the Rotem phosphate mine, Israel Operated by Taavura Holdings Ltd.

Mining at Rotem mine site is carried out by three contractors using Liebherr 100 t class excavators. One of those is Taavura Holdings Ltd., a Liebherr dealer and customer since 1979 for earthmoving equipment, mining excavators and mobile cranes.

The Liebherr R 9150 Mining Excavator at Udachny kimberlite (diamond) mine, Russia operated by ALROSA.

The working conditions and the climate at this site are extremely harsh as mining is being done in permafrost ground where temperatures vary from –55°C to +40˚C (–67ºF to +104ºF).

In order to meet ALROSA´s requirements, a Liebherr R 9150 mining excavator has been chosen to fulfil this challenge.

The Liebherr R 9100 Mining Excavator at Cobre Panama operated by First Quantum Minerals Ltd.

The first Liebherr R 9100 mining excavator was commissioned at the end of 2014 and there are currently eight R 9100 excavators in operation. The fleet also includes two Liebherr R 9350 mining excavators, twelve PR 744 and four PR 754 crawler tractors.

Fleet of three mining excavators R 9800 at the Kalimantan coal mine operated by PT Kaltim Prima Coal (KPC) near Sangatta, on the east coast of Kalimantan Island, East Kalimantan province, Indonesia.

MARC (Maintenance and Repair Contract) to offer a solution to KPC’s increasing production while reducing maintenance costs, in difficult climate conditions of high temperatures, humidity and precipitation levels.

Fleet of mining excavator R 996 B and haul truck T 282 C at the Mt Arthur coal mine operated by BHP Billiton in the Hunter Valley, New South Wales, Australia.

As a result of planned increasing mine production and being located less than 10km from a large town, the mine installed sound attenuation features on the excavators and trucks.

Liebherr demonstrates that the new fleet would fall within the stringent environmental noise limits.

Mining excavator R 9250 at Stockton coal mine operated by Coal Contractors in Pennsylvania, USA.

This report shows how the Liebherr R 9250 has been a major contributor to the success of Coal Contractors.

Mining haul truck T 282 C, at the Mt Arthur coal mine operated by BHP Billiton in the Hunter Valley, New South Wales, Australia.

Due to increased mine expansion and location in close proximity to a residential area, strict mandated environmental noise limits apply.

Installation of sound attenuation features on the T 282 C fleet.

Mining haul truck T 282 C at the coal-producing North Antelope Rochelle Mine (NARM), operated by Peabody Energy, located in the Powder River Basin, Wyoming, USA.

This report details the process undertaken by Peabody at NARM regarding upgrading their fleet of smaller mining trucks to increase profitable production, be versatile in hauling coal and waste, and to reduce costs through fuel-efficiency.