The first of the big Fahrs, the M 1000, came on the market in 1967, followed by the larger M 1200 the following year. The engine was a 6-cylinder diesel from KHD, who had at the same time become the owner of Fahr. KHD also bought the Köla combine factory, and as a result, in 1970 the M 1250 was introduced, which was manufactured at the Köla factory and equipped with a hydrostatic transmission developed there. It was soon replaced by the updated M 1300. At the top of the range was the M 1600, which had an over 200-horsepower 8-cylinder engine and usually a 5.7-meter cutting platform.

The updated 02 models were introduced in 1975. The 02 series models included a total of 1102, 1202, 1302, and 1322. From 1978 onwards, the M 1302 was also available with slope harvesting equipment. The big Fahrs were never brought to Finland because Kesko offered Clayson combines to buyers of larger harvesters.

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