Doosan introduces Tier 4 Final wheeled excavator

  • 02-Nov-2015 11:45 EST
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The rubber tires on Doosan's new DX210W-5 excavator are expected to particularly appeal to operators who regularly need to drive on finished concrete or asphalt surfaces.

Doosan has expanded its wheeled excavator lineup with the Tier 4 Final DX210W-5 excavator, which replaces the -3 Tier 4 Interim model.

The rubber tires on the new -5 excavator are expected to make it a popular choice for operators who regularly drive on finished concrete or asphalt surfaces. Doosan describes its wheeled excavators are often being used in highway/street development, building, manufacturing operations, site development, and land improvement. For example, an operator can drive on the shoulder of a road to dig in an adjacent ditch or use a bucket and clamp to pick up materials and load them into a truck.

A new selectable feature called Smart Power Control (SPC) engine mode comes standard on the DX210W-5. SPC consists of two systems—Variable Speed Control (VSC) and Pump Torque Control (PTC)—that work together to improve machine efficiency while maintaining productivity and reducing fuel consumption. The engine control unit automatically manages SPC when SPC is engaged. Each of the four power modes will function with SPC engaged or disengaged; however, SPC can be active only in the Digging work mode.

VSC reduces engine rpm during low workload requirements such as during the swing portion of a dig cycle. This reduces the total energy required to perform a task and improves fuel efficiency by as much as 5%. PTC works to match hydraulic pump torque and engine response to the task, preventing engine overload and excess fuel consumption, improving efficiency.

The new -5 excavator also was launched with a variety of other product enhancements. The machine is equipped with two-pump auxiliary hydraulic flow for high-flow attachments and an optional floor pedal for operators to activate the hydraulics. Its rear camera was relocated for improved rear visibility. Also relocated was the emergency stop, making it easier for operators to reach on the seat base.

The DX210W-5 is fitted with a 186-hp Doosan DL06 diesel engine and aftertreatment technologies, and does not require a diesel particulate filter or regeneration. The engine is optimized for use with a high-pressure common-rail fuel delivery system and a cooled exhaust gas recirculation system. It uses a diesel oxidation catalyst to reduce particulate matter and selective catalytic reduction (SCR) aftertreatment to reduce nitrogen oxides. Additionally, a variety of aftertreatment systems have been implemented as part of the Tier 4 compliance, such as diesel exhaust fluid, which is used with SCR technology.

Doosan excavators come with a standard three-year subscription to Doosan Telematics, which allows equipment owners and fleet managers to remotely monitor machine location, hours, fuel usage, engine idle vs. work time and error codes, as well as engine and hydraulic temperatures. Machines can be monitored via an online Doosan Telematics account.

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