1970 B907N buses were manufactured from 1967 to 1970 in response to the new era of expressways.

	1974 In the economic turmoil caused by the first oil shock, the MM504H, a new large air suspension bus with a passenger capacity of 70, was launched in 1974.
	As the economy grew in scale, the T910 truck with a load capacity of 11 tons was introduced.

1976 A new type of sightseeing bus, the MS Series, was launched. The MS615S was one of the buses in this series.

 

	1972 A ceremony to commemorate production of the 100,000th Canter was held at the Mizushima Plant.
	Mid-size Mitsubishi trucks that had dominated the market since their launch began to face fierce competition from other companies. In response, the successful T620 model was fully updated and the T650 (4 ton truck) and T651 (4.5 ton truck) were launched.
	As the network of expressways expanded, development of semitrailers and full-trailers became imperative in order to respond to increasing demand by trucking companies for efficient, large-volume, high-speed transport. In 1972, the T813ARA tractor equipped with a robust 10 DC6 engine was launched.

1973 the cabs of all large truck models were fully renewed for the first time in 7 years, and the much anticipated new Cab F series FP, FT, FU, and FV were introduced. Direct-injection engine trucks were also added.

1976 Trucks developed for further advancement were the FK Series, led by the FK 102, which was launched.