At the end of 2005, the large Fastrac 8250 was introduced, which had slightly larger wheels at the rear than at the front. The 8250 was powered by an 8.3-liter Cummins engine meeting Tier 3 requirements. The drivetrain was the Fendt Vario ML260. If desired, it was also possible to use a joystick to engage a 25-step artificial gear range. A speed of 65 km/h was reached at 1600 rpm. To improve road driving, the steering was mechanical and the brakes were enhanced dry disc brakes. The tractor's functions were controlled via a touchscreen similar to those later found in the 3000 series models. The hydraulic valves were electric (3 standard). Hydraulic output was 210 l/min and the lifting capacity was 10,000 kg. Inside the cab, there was space for two, similar to smaller Fastracs, and the noise level was reported as 72 dB.

In autumn 2007, a new cab was introduced, which was similar to the then-presented 7000 series models and positioned slightly further back than before.

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