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Doosan launch new wheeled excavator

Doosan DX190W-3 wheeled excavator

South Korean manufacturer unveils 19-tonne DX190W-3 wheeled excavator model

DOOSAN Construction Equipment have launched their latest DX190W-3 wheeled excavator. As with all of Doosan’s new generation excavators, wheel loaders and ADTs introduced in the last two years, the DX190W-3 model has been designed to meet the latest emissions regulations while offering increased digging power, lifting capacities and faster working cycles with improved fuel efficiency to reduce costs and preserve the environment.

With operating weights varying from 18.4 to 20.3 tonnes, the Stage IIIB-compliant DX190W-3 excavator is powered by a Doosan DL06KB six-cylinder common rail diesel engine that develops 129.4 kW (174 HP) at 1,900 rev/min. The engine is also fitted with a waste gate turbocharger with intercooler as standard

 

According to Doosan, the huge hydraulic capacity on the wheeled excavator produces the highest arm and bucket forces, together with the highest traction force, on the market. The DX190W-3 wheeled excavator provides much higher performance than the Stage IIIA model:

  • Engine power sharply increased by 9% while torque is up by 4%.
  • Traction force increased by 6% while swing torque is boosted by 16%.
  • Digging forces increased by 3% (bucket) and 13% (arm).
  • Lifting capacities are sharply up in both the monobloc and articulated versions: Monobloc: 3% increase over the front, 24% over the side; Articulated - 53% over the front and 22% over the side.
  • In-cab noise levels reduced to 71dBA (from 74.9dBA).
  • Up to 12% fuel consumption reduction.

Factory tests on the DX190W-3 machine have shown up to a 12% reduction in fuel consumption, depending on the mode selected and the work being done. A new Eco gauge on the control panel monitors in real-time the rate of fuel consumption and actual engine-percent load to help guide the operator to select the best operating mode for fuel economy.

Two new operating modes (Power Plus and Lifting) improve controllability and efficiency. The Lifting mode is intended to facilitate the handling of heavy objects and materials on construction sites, a feature especially useful when working in narrow and confined spaces.

Three idling steps are now available, the first offering automatic idling to 1,100 rev/min after three seconds of no machine use; a low idle which can be set as low as 800 rev/min and a one touch deceleration switch on the left joystick, giving the operator idling whenever they desire. These idling capabilities and other features, such as reduced fan operations owing to a new electronic clutch, contribute to the high fuel efficiency of the new excavator.

A new attachment select and setting function is a standard feature of the controls, with 10 recordable preset values. The joysticks have proportional thumb wheel switches and integrated buttons to provide precise control of attachments.  In addition, the controls have an improved layout, with the most important switches grouped together within easy reach on the right console.

Overall, the new DX190W-3 wheeled excavator provides new levels of comfort, ease of handling, optimum balance and high mobility for multi-tasking as a tool carrier for buckets, breakers, pallet forks, grabs and crushers.

Moving easily between job sites at speeds of up to 35.7 km/h, the new excavator is ideal for medium sized projects in civil engineering, utility and road projects, for applications such as digging trenches; breaking into rock, concrete and asphalt surfaces; setting up trench boxes; levelling; lifting pipes; moving pallets/materials; and loading trucks.

 

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