Doosan launches powerful Stage V mini-excavators

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Doosan has announced it has upgraded several of its mini-excavators to be Stage V-compliant

Powered by a Yanmar 4TNV98C engine, the DX62R-3 and DX63-3 6-metric ton machines as well as the 8-metric ton DX85R-3 have 22% more engine power than the outgoing models.

Providing 43.3kW of power at 2,100rpm, the Stage V Common Rail direct injection diesel unit is the same engine for the 8-metric ton reduced tail swing model and relies on exhaust gas recirculation (EGR) and diesel particulate filter (DPF) aftertreatment technologies.

Complementing the engine improvements of these upgraded conventional tail swing excavators are the high digging forces, with bucket digging force at 4.4 metric tons. Arm digging force is 2.9 metric tons for the lighter models while the 8-metric ton iteration has 6.3 and 6.6 metric ton forces respectively.

This is combined with a longer arm, while traction force is 5.6 metric tons and the vehicles are capable of reaching speeds of 2.6km/h in the low range and 4.7km/h in the high range.

Each of the excavators is equipped with a full color, 5.7in LCD monitor in the operator’s cabin that allows the driver to control auxiliary flow and monitor functions such as service periods.

A Doosan spokesman said, “The advanced technology used in the excavators complements the powerful performance with simple, easy maintenance procedures. Convenient check points made it easy to do routine maintenance, while a tilting cab simplifies service work.”

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James joined the Industrial Vehicle Technology International team in 2017. Previously he was Assistant Editor on an engineering title for several years and has worked for various other trade magazines before that. James is happily married and has a young daughter and son who keep him busy.

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