Doosan Daewoo, actually Doosan Infracore Construction Equipment, is a South Korean manufacturer of construction machinery, specializing in the production of excavators, loaders, road rollers and other construction equipment. Doosan Daewoo is part of the larger Doosan group, which began in 1896 as a petroleum goods store. Doosan Infracore Construction Equipment, formerly known as Daewoo Heavy Industries & Machinery, is one of the key construction machinery manufacturers in South Korea. Doosan Daewoo offers a wide range of construction machinery, including crawler and wheeled excavators, wheel loaders, road rollers, cranes, as well as other specialized construction machinery. The company also produces various types of engines and hydraulics used in its machines.