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Excavator additions meet Stage V for engines

Doosan is launching new versions of its DX62R-3 (pictured) and DX63-3 six-tonne and DX85R-3 eight-tonne mini-excavators that meet Stage V engine emission regulations.

The DX85R-3 reduced tail swing (RTS) excavator is powered by a Yanmar 4TNV98C common rail direct injection diesel engine, providing 44.3kW of power at a rated speed of 2,100rpm. It meets Stage V emission requirements by using exhaust gas recirculation and diesel particulate filter after-treatment technologies.  

The DX62R-3 RTS and DX63-3 conventional tail swing models are powered by the same Yanmar engine, providing a huge 22% increase in engine power over previous generation models.

All three mini-excavators are designed to offer maximum performance, versatility, operator comfort, durability, ease of maintenance and serviceability in their respective classes.   

As well as the increase in engine power, another stand-out feature on the six-tonne models is the hydraulic performance, with a maximum flow rate of 132-litre/min. The hydraulic system incorporates a load-sensing system that guarantees high hydraulic performance and allows smooth and efficient combined operations.  

This is complemented by the high digging forces on both machines: the bucket digging force is 4.4 tonnes and the arm digging force is 2.9 tonnes. This is combined with a longer arm for a better overall working range.

The traction force is 5.6 tonnes, while travel speeds are 2.6km/h in the low range and 4.7km/h in the high range.

 

 

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