Complex sentence: To achieve a lighter axle load a six axles/six motor Co-Co wheel arrangement was required, with the head of Electro-Motive Diesel, and by 1949 Dick Dilworth was convinced that lighter axle load locomotives would be popular in Australian and other foreign countries.
Split into simpler sentences: To achieve a lighter axle load a six axles/six motor Co-Co wheel arrangement was required. By 1949, the head of Electro-Motive Diesel Dick Dilworth was convinced that lighter axle load locomotives would be popular in Australia and other foreign countries.