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The Claas Dominator series was updated in the fall of 2004. The new models were based on the previous 68. Of the models, the 130 was equipped with a mechanical transmission, and the 140 and 150 with a hydrostatic transmission, whose components were the same as in the old 88. The threshing mechanism’s dimensions matched the earlier version. On top of the 3.9-meter straw walkers was a reversing shaft. The grain tank had a capacity of either 32 or 40 hectoliters. The cab was similar to the previous single-person model. The noise level was stated to be 80 dB. The cutting tables were the same C-series tables used in larger Claas models. The reversion system was hydraulic. The engines were 6-liter Perkins, which, according to the new owner, were referred to as Caterpillar. A hillside threshing sieve was available as an optional accessory.

The 2008 Dominator 150 Hydro Spezial model came as standard with air conditioning and heating equipment, as well as threshing pin monitoring.

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