Doosan introduces mid-range tracked excavator

By Lindsay Gale30 April 2012

The Doosan DX180LC-3 is the company's first mid-range Tier IV Interim/Stage 3B tracked excavator that weighs from 18 to 20.5 tonnes, depending on the specification. According to the company, it has been designed to provide enhanced productivity, fuel efficiency, comfort, reliability, durability and lower operating costs.

Power comes from a Doosan DL06 common rail 6-cylinder turbocharges diesel that achieves this compliance through the use of exhaust gas recirculation (EGR) and a diesel particulate system (DPF), which also offers 3% more power, 91.2 kW (122 hp) at 1,950 rpm. It also provides 15% more torque and factory tests have shown a 5-10% reduction in fuel consumption. A new ECO Gauge helps operators to lower fuel consumption by providing real time monitoring of fuel rate and actual engine-percent load, with two new operating modes further improve controllability and efficiency.

A new ROPS and OPG certified cab offers 6% greater space for the operator, and new proportional thumb wheel switches and integrated buttons on the joysticks provide precise proportional control of attachments.

The DX180LC-3 offers a dig depth of 6.1 m (20 ft), and reach and dump height of 9.1 m (30 ft). It features a more robust undercarriage with reinforced components, including track links, track springs and sprockets. The boom and arm have been strengthened by the use of increased metal thicknesses and critical points and reinforced bushings.

To improve serviceability, the engine hood has been split into four, with components such as filters, valves and batteries all within easy reach. A fan is automatically activated to keep the engine and hydraulic systems regulated at an optimised temperature to improve cooling efficiency and reduce fuel consumption.

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