In the autumn of 2019, JD introduced the new 6M tractors, which also replaced the earlier 6MC and 6RC models. In the extensive lineup, the wheelbase of the four smallest models was 240 cm, as in the previous MC models, and these models had a slanted front end. The six smallest models featured a power boost function. The 6-cylinder models had an oil change interval of 750 hours. The tractors were still built on a separate frame, and the axle load capacities were greater than before. The lifting capacity was lower in some models compared to the previous lineup. However, the front lifting devices were stronger than before. The 4-cylinder models had 24+24 gears, and the 6-cylinder models had 20+20 gears. The AutoQuad Plus version featured quick shift automation. In the CommandQuad Plus version, gear shifting was electric and the range shifting was also automated.

Optional extras included four hydraulic electric valves, mechanical cab suspension, and hydropneumatic front axle suspension. The cab was new, and the noise level had dropped to 70 decibels. The Premium version included a control armrest. The joystick was new with direction change buttons. Also new was a front pillar display, through which menus were controlled, among other things.

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