Doosan extends the reach of demolition excavator range

DOOSAN has added to its high reach demolition excavator range with the launch of the new DX530DM model.

The move follows the launch earlier this year of the DX235DM, the first model in the range. The third model, the DX380DM, is due to be introduced in 2021.

The DX530DM is said to offer increased flexibility with a modular boom design and hydraulic lock mechanism. Doosan explained this design facilitates an ‘easy’ change between a demolition and an earthmoving boom to aid different types of work on the same project, using the same machine.

The latest model boasts a hydraulically adjustable undercarriage, which extends to a maximum width of 4.37m. The width of the undercarriage can be retracted hydraulically to 2.97m in the narrow width position, for transporting the machine. The adjusting mechanism is based on a permanently lubricated, internal cylinder design.

Doosan added that the maximum pin height of the demolition boom on the DX530DM is 27.5m, compared to 18m on the DX235DM. The working range on the DX530DM allows the machine to provide a maximum reach of 16.5m with a three tonne tool. These features are combined with a tiltable cab, particularly suited to high reach demolition applications and offering a 30 degree tilting angle.

The earthmoving boom can be mounted in two different ways, which with the demolition boom, provides further flexibility with a total of three different configurations for the same base machine.

When equipped with the digging boom in the straight configuration, Doosan revealed the DX530DM can work to a maximum height of 13.5m. Using the digging boom in the alternative bent configuration, the model can work with an attachment to a maximum height of just over 11m.

A special stand is provided to facilitate the boom changing operation, which is based on quick-change hydraulic and mechanical coupler connections. A cylinder-based system is used to push the locking pins into place.

Safety features include a FOGS cabin guard, safety valves for the boom, intermediate boom and arm cylinders and a stability warning system.