The 14-tonne, reduced tail swing DX140 LCR-7 has enhanced swing performance, improved fuel efficiency and more operator comfort characteristics than the last iteration.

Doosan introduced a new DX140LCR-7 excavator at the 2022 world concrete exhibition, using excavator upgrade technology to improve control and comfort. The 14-tonne, reduced tail swing DX140LCR-7 has enhanced swing performance, improved fuel efficiency and more operator comfort characteristics than the last iteration.

The main specifications of excavators include:

• Power rating: 115 hp
• Operating weight: 35,424 lbs.
• Maximum digging depth: 19 ft. 8 in.
• Maximum digging reach (ground): 28 ft.
• Maximum loading height: 23 ft. 3 in.   

Features include:

• Doosan Stage V D34 4-cylinder engine and delivers 86 kW at 2,000 rpm
• The exhaust gas is cleaned by selective catalytic reduction (SCR) , diesel oxidation catalyst (doc) and diesel particulate filter without maintenance until 8,000 hours
• Two Systems (variable speed control and pump torque control) work together to increase efficiency while maintaining productivity
• Select four power modes (eco-standard-power-power plus) and automatic intelligent power control system for optimal power and reduced fuel consumption for all conditions
• Reinforced Castings and forged steel pivots, reinforced heavy arm and boom
• Single arm or hinged arm increases versatility
• Improved Hydraulic Piping Arrangement
• Rear and right side cameras are standard, non-slip steps and platforms, as well as a guardrail for the superstructure
• Optional 360 degree Panoramic Camera (Avm)
• Large side-view Mirror, eight led work lights (another four lights can be selected)
• The new attachment method is adopted. The attachment device is provided with a priority valve, and the attachment device can be used while moving the manipulator arm to improve the working efficiency
• Special tilt rotation mode, when the need for large flow, higher precision, less back pressure
• CAB is spacious, low noise, low vibration, high visibility
• Includes heating, even an optional seat cooling function and improved air ventilation
• The 8 inch touch screen integrates features and sets the machine in one place
• Unlock door remotely, start or stop engine equipped with Doosan smart key
• Maintenance data can be obtained directly from the control panel

• All the filters are easily accessible from the ground
• The Cooling Chamber is equipped with Fine Mesh air intakes to protect the cooler and reduce downtime
• Chain by the seal of the self-lubricating chain composition, long-term reliable
• Activate Power Augmentation control system. Increase digging power by 10%
• The one-touch deceleration button immediately slows the engine to low idle speed
• After four seconds of automatic idle start (adjustable) , all controls return to neutral, reducing fuel consumption and cab noise levels