The updated versions of the Volvo BM S800 and S830 were named Volvo BM Aktiv 1110 and 1130. The engine was now 4-cylinder. Otherwise, the changes were quite minor. In 1981, the Electrolux Group bought the combine harvester manufacturing, which was centralized at the Morgongåva factory. The new brand name became Överum Aktiv.

The range was expanded with the 10-foot 1150, which had a hydrostatic transmission equipped with a directional control. There was a hydraulic motor and pump in front of the front axle. The driving speed was adjusted by changing the angle of the axial piston motor. The durability of the 1150 proved to be weak. Problems included, among other things, bearing housings bolted to the side panels without reinforcements.

Soon after the introduction of the Överum Aktiv models, Rosenlew bought the combine harvester manufacturing from Electrolux, and in 1985 the Överum Aktiv models were replaced by Aktiv Sampoes at the Morgongåva factory.

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