Introduced in 1982, the 600 series was the direct successor to the 500 series. The smallest size categories were left to be managed by the 200 series, so the lineup started with the 675 model at 68 hp. The basic transmission of the 600 series was a partially synchronized 12+4 Syncro Power. For an additional cost, the mechanical quick shift was replaced with Multi Power. The cab was high-quality upholstered, and the heating and ventilation were efficient, but unlike competitors, the ergonomics had shortcomings such as gear levers located in the center and a poor steering wheel position, which was improved in 1984 but was finally corrected with tilt adjustment in the latest model years. At the same time, the seat was replaced with a better one, and the four-wheel drive engagement was changed to hydraulic.

Old-fashioned solutions inherited from the 500 series included the push-rod sensing and the 1000 rpm power take-off implemented with an interchangeable axle as an optional feature. Lifting capacity was increased by one or two auxiliary cylinders depending on the model. The four-wheel-drive version of the 690 reached up to 3300 kilograms. In Finland, turbos were installed both on the 675 and the 690. The durability of the 12″ clutch was inadequate, especially with the turbos.

The first four-wheel-drive models had the long wheelbase of their predecessors. In 1983, the wheelbase was shortened and the front tires increased in size (compare pictures). All four-wheel-drive models had an automatic differential lock. In the 600 series, the front axle of the four-wheel drive was manufactured by Landini. The cab was also Italian, made by SIAC, and had previously been used in Landinis.

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