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New solutions for the Doosan DX420LC-3 «New» machine

Doosan Construction Equipment Doosan Construction Equipment. Photo source www.mainpump.com

Doosan Construction Equipment has launched a new line of heavy excavators, including DX420LC-3 (http://www.mainpump.com/news/construction/5228.htm) just in January, and today the corporation announced an update for this machine.

Doosan DX420LC-3 «New»

First of all there was updated the engine. The new model DX420LC-3 «New» wears a more powerful unit, the characteristics of which you can see in the table below (the previous version was equipped with Doosan DV11 engine with a maximum power of 270 kW / 362 hp at 2000 rpm). The new diesel engine is certified in accordance with the Tier 4 Interim / Stage IIIB, thanks to the exhaust gas recirculation EGR system, installed DPF and DPD. The motor is equipped with 4 valves per cylinder and Common Rail injection system with electronic control for each injector. А variable geometry turbocharger was mounted in order to increase the effectiveness of air pumping at low speeds.

Doosan DX420LC-3 «New»

DX420LC-3 «New» equipped with electronic power optimization system and can operate in four modes - Digging, Breaker, cutting and lifting.

Technical specifications of the latest trucked Doosan DX420LC-3 «New» excavator with capacity at 42 tons:


DX420LC-3 «New»

Weight, kg


Width, mm


Height, mm


Length, mm


Bucket capacity, m3




Engine capacity

276 kW / 370 HP at 1800 rpm

Main pumps max flow, l/min

2 x 334

Cylinders number, pc.


Top speed, km/h

5,5 / 3,3

Maximum digging reach, mm


Maximum digging depth, mm


Maximum digging height, mm


Maximum traction force

18600 – 34800

Sound level , dB


Bucket digging force, kN


Arm digging force, kN





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