Uncontrollable factors that affected the company were the decline demand for large construction equipment. In 1963, the Japanese government allowed foreign investors into the industry which prompted Caterpillar to announce its partnership with Mitsubishi. This became precarious situation for Caterpillar because Komatsu held more than 60% of the Japanese market.
Due to this danger Caterpillar decided to penetrate the Japanese market through a joint venture with Mitsubishi. The result of this was that Caterpillar and Mitsubishi Heavy Industries Ltd. formed one of the first joint ventures in Japan to include partial U.S. ownership. Caterpillar Mitsubishi Ltd. started production in 1965, has been renamed Shin Caterpillar Mitsubishi Ltd… (Jao,