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The Doosan DA30 articulated dump truck is powered by a 6-cylinder interim Tier 4 compliant diesel engine with a gross power output of 365 horsepower. The new DA30 offers an 8 percent increase in engine power compared to the previous MT31 model, with a 28 percent increase in gross torque to 1381ft.-lb. at 1300 rpm, combined with a higher top speed of 34.2 mph. Contributing to the overall eight percent reduction in fuel consumption is the new transmission offering eight forward and four reverse speeds. The new transmission improves the transfer of power from the engine to the wheels for outstanding traction. To withstand the increased power, the driveline dimensions and cooling capacity of the truck have been increased.