Starting from the beginning of 2019, Tucano models were equipped with Stage V compliant Mercedes-Benz engines featuring a new Dynamic Power function. In situations where full power was not required, the engine switched to an economy mode. The engines had a displacement of 7.7 liters, and the maximum power output remained unchanged. The cab featured a new armrest, a new control lever, and a new color Cebis touchscreen. The armrest included rocker switches for the main threshing adjustments, so the screen was needed less frequently than before. Electric adjustment of the sieves was standard equipment in Finland, while electric adjustment of the threshing clearance was always standard. Also new were shortcut buttons for the screen’s favorite functions.

At the end of the unloading pipe, there was an automatically operating flap that prevented grains from spilling onto the ground when the pipe was folded into the rest position. Lubrication of the unloading auger chain was automatic. As an optional extra, Auto Crop Flow system was available, which stopped the cutterbar and, if necessary, the threshing mechanism when it detected a blockage in the threshing drum, concaves, or chopper. New optional features also included electronic monitoring of the delimiters, a vacuum cleaner that sucked dust from grain moving on the center conveyor, and Vario headers adjustable in length from 7.7 to 9.3 meters. The hillside harvesting versions had been improved with the Montana models’ new front axle and the Auto Slope feature, which adjusted the fan speed when operating uphill or downhill.

The 400-series models featured an APS acceleration rotor that promised a 20% increase in threshing capacity. Both the 300- and 400-series included models with 5- and 6-concave configurations.

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