MF developed its own 900-series rotary combines in the late 1980s and early 1990s. Before they entered production, MF bought the rights to White rotary combines, which was in trouble, in 1986 and abandoned its own models. In the established Massey Combines Corporation, MF held a 40% share, investors 40%, and the Canadian government 20%. The combines were named Massey, but marketed under Massey Ferguson. In 1988, Massey Combines went bankrupt. From 1990 to 1997, these combines were manufactured for MF by subcontractor Linamar.

The White 9320 was renamed the 8560 Rotary, and the White 9720 introduced in 1985 was the 8590 Rotary. In the smaller models, the rotor length was 350 cm, and in the 8590 it was 427 cm. Also, differences between the models were significant in terms of engine power (177 hp vs. 248 hp) and grain tank capacity. The White 9720/Massey 8590 was a highly regarded combine, but only about 100 units were produced under the Massey name. The smaller model suffered from low engine power. Compared to competitors, a strong selling point was that the combine had only 12 belts. Standard equipment included air conditioning, automatic header height adjustment, and an extensive indicator light system. Optional equipment included four-wheel drive and threshing drum monitoring.

In the Linamar-manufactured lineup, the only model was the 8570, which replaced the 8560. It had a 220-horsepower 8.3-liter Cummins engine.

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