Doosan’s new DA30 Articulated Dump Truck gets UK debut at Hillhead 2018


Doosan Construction Equipment has launched a new version of its DA30, 30 metric-ton class Articulated Dump Truck (ADT), and attendees at this week’s (June 26-28) Hillhead 2018 were able to get the first look at it on UK soil.

The changes in the new DA30 ADT model are signified by a new color scheme for the machine that also aligns it with other products in the Doosan Heavy range. Most of the changes are aimed at enhancing operator comfort and the controllability of the machine, but there are also changes in the driveline and electrical systems.

The most important development is in the suspension of the DA30 which is being upgraded to a hydro-gas self-levelling system to provide outstanding performance and superior shock absorption for better driving comfort, especially when the truck is being driven when it is empty.

Rugged contender
Like all Doosan ADTs, the DA30 features an articulation hinge positioned behind the turning ring to provide equal weight distribution to the front axle even during maximum steer articulation. This together with a free-swinging rear tandem bogie ensures equal distribution of weight to each wheel and guarantees permanent six-wheel contact and drive for equal power distribution and excellent performance on difficult terrain.

Collectively, the forward turning point, the unique tandem bogie and the sloping rear frame results in ‘best in class’ rough and soft terrain capabilities, and avoids the need for electronic aids such as traction control.

“Our key selling points are traction and stability,” Doosan product manager Adrian Winnicki told iVT at Hillhead. “So this is the best machine for difficult terrain. But we also have other advantages like operator comfort – we have a big cab, which is also very quiet and very well sealed. We also have low running costs and good service back-up with affordable parts, making the total cost of ownership low.”

“Also, thanks to the tandem bogie with have much more space in the back. The competition have two axles and a big frame in the suspension. With the tandem bogie we have no need for traditional suspension, so we can use that space to slope the frame, so you can put more material in toward the front, giving better load distribution, which means lower ground pressure.”

Doosan’s new DA30 Articulated Dump Truck gets UK debut

Adrian Winnicki, product manager, Doosan

Extra comfort
To complement the new suspension, the operator will now benefit from a Grammer Actimo XXL seat in the cab as standard with its own independent low-frequency pneumatic and wide scissors-type suspension.

The Grammer seat is not the only change in the new state-of-art operator’s cab on the DA30 which has been redesigned to provide better ergonomics and more operator comfort. The dashboard has a completely new layout and soft-touch material composition that is easier to clean and features a new display as well as a high-quality finish and appearance.

The cab also offers new safety and performance functions with a more comfortable control panel with a power cut off switch and an LED indication lamp which indicates when it is safe to switch off the power cut off. Other features include a new easy-to-use lever for retarder steering, a new more precise brake system for increased sensitivity and performance, an extra hand grip on the right hand side, a USB charger and a 12V/24V power socket, together with more convenient compartment storage and electrically adjustable mirrors as standard.

Doosan’s stand and the quarry demonstration area at Hillhead 2018

Improved safety and easier maintenance
On the outside of the cab, a new all-round hand grip rail has been installed for improved safety for moving round the outside of machine for cleaning and other tasks. Doosan has also introduced a new position and solution for the power cut off switch.

According to Doosan, in the new version of the DA30, there will be lower running costs involved as there are a reduced number of service points with fewer different oil types in the driveline and increased intervals for transmission oil change. In addition, the new cab tilting system enables the service technician to lift and close the cab in just a few minutes.

With these new features incorporated, the DA30 establishes a unique benchmark in load carrying performance, fuel efficiency, enhanced controllability and high operator comfort, together with improved reliability, durability and reduced maintenance and servicing costs.

Fuel efficiency
The low fuel consumption of Doosan ADTs is down to a combination of features including the Scania diesel engine and a ZF EP transmission, improving the transfer of power from the engine to the wheels for outstanding traction. When this is coupled with the enhanced rear differential system which reduces engine RPM and further increases machine durability, customers are ensured of an improved cost per ton carried with the Doosan ADT range.

The Doosan DA30 is powered by the Scania DC9 276kW (370hp) diesel engine, meeting the Stage IV/Tier 4 Final emission regulations through the use of both selective catalytic reduction (SCR) and exhaust gas recirculation (EGR) technologies, with an electronic engine brake system, one of four brake systems on the trucks. Doosan’s Stage IV/Tier 4 Final ADTs do not need a diesel particle filter (DPF) to meet the emission regulations.

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Tom Stone is Editor of the iVT brand – which includes digital and print editions of a quarterly magazine and the Advanced Lift-truck supplement, as well as, which is updated daily. Tom has met and interviewed some of the world's leading industrial vehicle OEM presidents, CEOs and MDs, and takes great pride in cementing iVT's place as the leading forum for debate within the industry, a reputation that his been built up over the brand's 25-year history.

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