Daewoo's new Korean owner aims at lofty sales growth in North America with its new DX Series excavators branded Doosan Daewoo. Four models, spanning 66,000 to 105,000 pounds, are expected to be available in June. The Doosan Daewoo six-cylinder diesel is engineered to meet global environmental regulations with high-pressure common-rail fuel injection. All of the major structures have been redesigned.