After the MF 4800 series, the production of articulated tractors was sold to a company called McConnell Tractors. According to the agreement, further developed models were also sold through the MF network. There were plans for a broader series, but the only model produced was the 5200, which was equipped with either a 390-horsepower Detroit Diesel or a 375-horsepower Cummins NTA 855. The transmission was a 12-speed mechanical or full powershift. In other respects, the technology was mainly the same as in the 4800 series, but the turning radius had been significantly reduced according to the reported figures. The cab was improved, and the exhaust pipe was positioned on the pillar.

McConnell manufactured red tractors for only four years, and after that, the history of articulated Massey Ferguson tractors ended. As yellow McConnells, the same tractor was available in 320- and 425-horsepower versions. The circle closed when Agco purchased McConnell in 1995. However, the brand name became AgcoStar.

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