The production of the large INtrac models of the 1970s ended quickly, but in the late 1980s the INtrac concept was once again scaled up to a larger size. At the end of 1986, the models 6.05 (98 hp), 6.30 (115 hp), and 6.60 (150 hp) were introduced. The INtracs were made by utilizing the technology of the DX-series tractors as much as possible. Both ends had equally sized wheels, and the weight distribution was 50:50.

At the time when the large INtracs were created, KHD and Daimler-Benz started cooperation in tractor manufacturing, and the product name became trac-technik IN-trac. However, the story of trac-technik was short-lived, and the production of INtrac ended in 1990.

The technical specifications are approximate, as different sources provide slightly varying information.

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