The basic models of the 6030 series were replaced in the autumn of 2012 by the 6M series. Even in the previous renewal cycle, the basic models had developed significantly compared to earlier SE versions. For example, the cab noise had now decreased to 71 decibels, nearly at the level of the R models, despite the fact that the 6-post cab was largely based on the previous models. The engines had significantly more torque than before, and the nominal power was available in the 1600-2100 rpm range. The fuel tanks had increased considerably. Hydraulic output was 80 l/min even in the smallest models, with three blocks standard. The 6-cylinder models featured load-sensing hydraulics (114 l/min) as standard. The external dimensions were also much larger than before, especially the 6130M and 6140M, which were rather sized like 6-cylinder tractors than 4-cylinder ones. The turning radius was not specified for the M series, but in a comparison by Koneviesti (where the 6170M ranked last), the measured turning radius was much larger than that of competitors.

In engine technology, urea was still avoided. Methods used included exhaust gas recirculation, particulate filter, oxidation catalyst, common rail injection, four-valve technology, and variable vane turbocharger. No additional power was offered in the M models. The transmission was equipped with a four-speed powershift. At minimum, the number of gears was 16+16. In Finland, the standard version was the PowrQuad Plus with 24+24 speeds. The 'Plus' included the integration of the powershift when shifting the range. Gear automation was available in the AutoQuad version. There was no fifty kph version; instead, there was the AutoQuad Eco, which reached 40 km/h at 1700 rpm.

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