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Contractors World 2012 Volume 3 Issue 2
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the EX5600-6 and EX2600-6 succeed the EX5500-6 and EX2500-6 models.Mining & Quarrying

Hitachi upgrade two mining excavators

Hitachi Construction Machinery Co., Ltd. (HCM) has launched two new ultra-large hydraulic excavators.. Designed to increase production on large-scale mining projects, the EX5600-6 and EX2600-6 succeed the EX5500-6 and EX2500-6 models.

The launch of the new excavators coincides with an increase in demand for resources on a global scale. HCM is responding to requests from its international mining customers for ultra-large excavators with a greater capacity for excavation and loading.

To increase production, the bucket capacity for both models has been increased: from 29 m³ to 34 m³, on the EX5600-6 and from 15 m³ to 17 m³ on the EX2600-6 on the backhoe version; and from 27 m³ to 29 m³ on the loading shovel version of the EX5600-6. The reach of the front attachment has also been shortened.

High productivity has been achieved because the cycle time remains the same. This has been achieved by boosting the engine output. As an example, the EX5600-6 backhoe uses four rather than five bucket passes to fill a dump truck with a nominal payload of 220 tonnes, significantly increasing production capacity and efficiency by reducing the loading time.

Both models retain the same engines as their predecessors, The cooling performance of the radiator and oil cooler has been increased to protect the engine and hydraulic devices. In addition, all undercarriage and hydraulic cylinder parts can be replaced with those from the original models.

   the EX5600-6 and EX2600-6 succeed the EX5500-6 and EX2500-6 models.Like all Hitachi ultra-large excavators, the excavators are both equipped with a spacious working environment that provides excellent visibility for the operator. The cab is fitted with LED lighting, a comfortable air-suspension seat, user-friendly control levers and a large LCD monitor.

Both are suitable for operating in extreme temperatures, from tropical regions to cold environments and highlands. They can also be supplied with an optional interface for mine management systems, such as Wenco Fleet Management Systems (provided by Wenco International Mining Systems Ltd., a subsidiary of HCM).

Electrical motor-driven versions of the latest models will also be made available.

This option is particularly popular in Russia, the CIS countries and China due to the availability of existing power supply facilities and because they offer excellent versatility in comparison to electrical motor-driven mechanical cable-type excavators. These models will also be promoted to companies operating in newly developed mines in North and Latin America because they are more economical to operate using electric power following the recent rise in costs of crude oil.

Greg Smith, Manager Heavy and Mining Equipment for Hitachi Construction Machinery (Europe) NV, says: Total sales of the EX5600-6 and EX2600-6, including both engine types and the electrical motor, are expected to reach 100 machines a year.”

Click here for more information >>> Hitachi large excavators




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