The New Holland T8000 series was introduced in the autumn of 2006. Like its predecessor, the TG series, it was based on the Case IH Magnum. However, there were distinctly more differences between the siblings than in other series within the group, the most important being the engine placement. In the NH, the engine was located further back and, as usual, directly attached to the transmission.

The engines were still 8.3-liter units based on Cummins but now featured common rail injection. Power had increased compared to the corresponding previous models, but the percentage increase in torque was smaller than before. Slightly more power was available at road speeds or in PTO operation.

The powershift transmission, called Ultra Command, represented an American approach to a large tractor transmission. Gear ratios were 18+4 or, in the 40 km/h Eco/50 km/h versions, 19+4. With creep gears, there were 23+6 ratios. Gears were controlled by electric buttons or an automatic shifting system. Direction changes were hydraulic. Hydraulic output was 146 (later 166) liters per minute, and with the optional MegaFlow pump, 257 l/min. Five electrically controlled hydraulic valves were standard. Lifting capacity ranged from 9,000 to 10,000 kg. For the front axle, a basic version, a suspended Terraglide, and a SuperSteer that turned relative to the frame were available. The wheelbase was longer than before, and the fuel tank was larger (682 liters).

Inside the cab, all displays were gathered on the cab pillar. Most controls were located on the armrest extension. The cab noise level was higher than in the smaller NH series, at 74 dB. Standard features included headland automation and automatic climate control. Optional extras included an active suspension seat (standard in Finland) and the Intelliview II monitor.

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