Followers of the 500-650 series were among the most popular combines in Finland in the late 1980s. The brighter yellow color, new cabin, counter motion of the sieve, greater overlap of gear transmissions, and the row pump were the most significant changes compared to their predecessors. From 1986 onwards, the 690 model was equipped with a turbo engine. New longer headers, a new cutter bar mechanism, quick lock for the unloading auger, main power switch, and taller belt rings were introduced starting in 1987. At the same time, the 680 and 690 models received pressure accumulator relief for the header, and the 690 was equipped with an elevated grain tank. In 1989, the fabric upholstery in the cabin changed from brown to gray. The last models in 1990 featured a plastic tine unloading reel.

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