In 1983, Massey Ferguson's 800 series combines were introduced to Europe as successors to the 530-760 models. Shortly thereafter, the Dronningborg agreement was signed, and the 800 series remained in America. The Canadian models 850 and 860 had already been introduced in 1981. In France, production of several smaller models began in 1983, with technology that was almost entirely the same as in the earlier 500 and 600 series models. The design of these models was not very refined.

The dimensions of the threshing mechanism were the same in all models as in the previous models. However, engine power was greater and the headers were new. The appearance was not very polished, but new features included a silver-colored unloading tube and, in the larger models, also a straw chopper. Models 805, 825, 835, 855, and 865 came standard with a separation rotor with ribs, and the 855 and 865 models also featured a threshing loss monitor. As an option, three of the largest models were available with a Powerflow header equipped with a belt conveyor. The 855-865 models had three sieves stacked vertically. Production ended with the bankruptcy of Massey Combine Corporation, which had been separated from Massey Ferguson, in 1988.

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