Demo Day Debut for Doosan’s DX225SLR Super Long Reach Excavator

Tue 27 Feb 2018

Demo Day Debut for Doosan’s DX225SLR Super Long Reach Excavator

Unfortunately, on the day, I was not able to get any stick time on the machine, as they did not want to put any hours on the meter, but hopefully we will get on one in the future. I was however given a good look around and a briefing on this latest model of what is surely one of the most popular sizes of base machine in the Doosan range. Described as an all-round machine and featuring an 8.5m boom and 6.2m dipper arm the DX225SLR-5 is ideally suited for jobs such as excavating lakes, cleaning settling banks, drainage work, digging in sand and gravel pits, slope forming and other long reach work.

Tipping the scales at 24.4 tonnes the machine is powered by Doosan’s own well proven 6-cylinder, turbocharged DL06P water-cooled diesel engine, providing a high-power output rating of 124 kW (166 HP) at 1800 RPM. And according to Doosan as a result, the machine combines its super long reach capability with unmatched high performance, operating features, fuel efficiency, reliability and durability. Doosan’s six-cylinder engines have become legendary among the Korean manufacturers loyal customers over the years and these latest units offer end users convenience and lower running costs by meeting the required emission regulations using cooled exhaust gas recirculation (EGR) and selective catalyst reduction (SCR) after-treatment technologies with no need for a diesel particulate filter (DPF). In its Super Long Reach guise, the DX225SLR-5 has a maximum digging reach of 15.38 m, a maximum digging depth of 11.65 m and a maximum digging height of 13.08 m. The bucket digging force is 10.0 tonne and the arm digging force is 6.0 tonne.

On a bitterly cold minus 6-degree Dobris day, one young member of the Doosan staff was taking some shelter in the DX225SLR-5 cab and I must say I didn’t blame her at all! Doosan cab’s have been well-appointed for many years now and the Dash-5 models are even better with an increase in space compared to the old Dash-3 models. The features offered as standard in the cab are, according to Doosan, among the best in the market and include super controllability with a system that enables attachments to be operated from either the joystick or a two-way pedal. The operator can select 10 pre-set configurations for attachments and hydraulic flow and pressure data can be pre-selected directly from the control panel, allowing a quick change of attachments without the need for a manual set-up. The joysticks have also been shortened to reduce the effort required to operate them and an additional pedal for straight travel has now been installed on the left of the main travel pedals, a very useful feature when travelling straight over longer distances. The operator console has been moved onto the seat suspension to reduce vibrations. This gives the operator much better control with the joystick in rough operation.

A Trimble Ready option is available for the DX225SLR-5, enabling a faster and simplified installation of Trimble 2D or 3D Grade Control System components ? with no welding, repainting, drilling or disassembly required. The DX225SLR-5 is factory-installed with the DoosanConnect state-of-the-art, wireless fleet and asset management system for the company’s excavator, wheel loader and articulated dump truck ranges. Lookout for more coverage from me on specific machines from this #DemoDays2018 event in future editions of Earthmovers Magazine.

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