Doosan’s new DX800LC-5B

Doosan’s new DX800LC-5B tracked excavator series, which was launched early in 2018, is being well-received by the local market, particularly the mining sector.

“The new DX800LC-5B tracked excavator – with an operating weight of 78 500 kgs – is currently the largest machine in the Doosan range of construction and mining equipment. This robust machine has been designed for high productivity, fuel efficiency, minimal downtime and greater safety in harsh operating conditions,” says Darrel Holton, managing director, DISA Equipment (Pty) Ltd T/A Doosan, part of the Capital Equipment Group (CEG) of Invicta Holdings Limited. “The DX800LC-5B has a re-designed structure, with a heavy-duty front and improved undercarriage. It has been fitted with many customised components that ensure continuous operation in arduous environments with minimum to no downtime.

“Our customers are also impressed with the fuel-efficiency of this machine. The new DX800LC-5B engine, with enhanced power and durability, offers cost-efficient performance and low maintenance requirements. Added to this, our customers note the convenience of being able to easily select the appropriate operating mode for various work environments. The boom/swing priority control facility enables the operator, at the touch of a button, to control operating modes for comfortable and productive operation.”

Doosan’s recently launched D-Ecopower+ intelligent hydraulic system delivers best in-class productivity. The new electronic main pump accurately calculates the amount of pump flow required for each actuator, ensuring faster operation and optimum productivity, also preventing unnecessary fuel loss.

Fuel saving technologies include Smart Power Control (SPC) and a highly-efficient cooling system. The SPC allows the machine to provide optimised control for engine speed and torque, based on different workloads, thereby reducing unnecessary fuel consumption. This is enhanced by a larger radiator for greater capacity and faster cooling speeds.

On-site safety and improved operator comfort have been an important focus in the design of this new series. New LED work lights enable safe operation after dark and an Around View Monitor (AVM) provides a clear 360°view for the operator, from inside the cabin. An anti-hose burst protection system prevents secondary accidents resulting from a boom/arm-down that may be caused by a sudden hose burst. A new air compressor in the cabin improves comfort for the operator, by keeping the air clean.

A heavy-duty two-stage dust cleaner prevents dust and contaminated particles from causing damage to components together with standard Auto Grease System (AGS) significantly reduces maintenance time. An Electric Fuel Transfer Pump (ETP) is switched on to re-fill the machine easily after inspection or repair.

For added convenience, the water separator, pre-fuel filter and main filter are grouped together to minimise maintenance time while extending engine life and preventing machine failures. Machine inspection and maintenance is simplified and made safer by having one access point and a wider catwalk.

A wide range of Doosan attachments for versatile operation, include hydraulic breakers and various buckets for specific tasks. The X-Class extreme mining bucket is used for high-strength and abrasion resistance materials and the S Class severe-duty bucket is recommended for mass excavation in high-density difficult mining and quarrying applications.

These excavators can also be adapted for special applications, by adding attachments for unusually long digging reaches; orange grapples and clamshell buckets for material handlers; rotating crushers and multi-processors for high-reach demolition tasks and straight or V-shape shovel buckets for front shovels tasks.

The Doosan team offers a technical advisory, maintenance and support and spare-parts service through its national branch and distributor network.

Suggested caption:

The new DX800LC-5B tracked excavator – with an operating weight of 78 500 kgs – is currently the largest machine in the Doosan range of construction and mining equipment. This machine has been designed for high productivity, fuel efficiency, minimal downtime and greater safety in harsh operating conditions

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