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From the latest field tests on new Tier 4/Stage IV Final machines, Doosan Construction Equipment has revealed excellent fuel efficiencies and load carrying ability providing a significant reduction in cost per tonne rates for the company’s DA40 and DA30 articulated dump trucks (ADTs).

For the Tier 4/Stage IV Final version of the DA40 ADT being tested with a new tracking and management system to be launched by Doosan, the truck has delivered an average fuel consumption figure of 17 l/hour, one of the best seen for a 40 metric tonne ADT. This is an improvement on the already excellent figures for the T4i DA40 machines in operation around the world, which are claimed to have outperformed other machines on the market by up to 15% and in some cases, have carried up to 10% more load.

Ewen Gilchrist, Sales & Marketing Director for the Doosan ADT range, said: “The outstanding fuel efficiency of the Doosan ADT range is down to a combination of features including the new Scania SCR diesel engines and the new ZF transmissions improving the transfer of power from the engine to the wheels for outstanding traction.

“When combined with an enhanced rear differential system which reduces engine rpm and further increases machine durability, customers are ensured an improved cost per tonne with the Doosan ADT range.”