In the autumn of 2006, the largest Agrotrons were updated to the X series. These models were the only ones to retain the 7.1-liter engines. They were now equipped with 4-valve technology and common rail injection. The power ratings of the larger model remained the same, while the smaller one received an additional power feature. A year later, torque figures especially improved significantly. Apart from cosmetic details, the X series was very similar to its predecessor. Including creep gears, there were 40+40 gears. The powershift had 4 stages. The 720 model came standard with a torque converter clutch. The load-sensing hydraulics had a capacity of 120 l/min, and four electrically controlled valve blocks were standard. The headland management system could be programmed with 16 functions. Both front and rear axles had engageable 100% differential locks. The 720 and the 710 50 km/h version featured hydropneumatic suspension on the front axle. The cab suspension was pneumatic and equipped with level control. The turning circle diameter was given as 13.5–14.8 meters.

The Agrotron X was withdrawn from the Western European market in 2012, replaced by the updated 7-series.

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