In the autumn of 2007, at the same time as the Deutz-Fahr Agrotron M-series was introduced, the Iron and R6 models were fitted with 6.1-liter Deutz engines featuring common-rail injection. The two most powerful versions also received four-valve technology. The gearbox remained the 24+24-speed ZF 7200 with a four-speed powershift. Automatic shifting functions were offered only on the Hi-Line version. Standard hydraulic equipment was based on a conventional gear pump, while the Hi-Line models featured a 120 l/min load-sensing system with electrically controlled valves.

Both front and rear axles had engageable, automatically disengaging 100 % differential locks. On the 50 km/h variants, the front axle was fitted with hydropneumatic suspension. The cab could be ordered with either mechanical or pneumatic suspension as an option, and its noise level was rated at 73–74 dB. Models 130 and 140 differed only in engine output and tire size; in the larger versions additional reinforcements were applied to both the front axle and the rear end.

At the end of 2009, the lineup was expanded with new four-valve models—two high-power four-cylinder units and two six-cylinder units. At the same time, the operator’s armrest control console was updated.

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