In 1983, the Laverdas were changed to the 3000 series. The 3300 differed from the larger models as it was only lightly updated from the earlier M92 model. The grain tank was larger than before. The engine was still a 4-cylinder Perkins. The threshing unit width was 87 cm and there were three threshing elements.

The earlier M112 was replaced by the 3350, which had an Iveco 6-cylinder engine. The successor to the M132 was correspondingly the 3450. These combines had a cutting width of 360 cm, and the equipment level was significantly higher than the smaller model. The speed adjustment for the grain elevator drum was electric, and the length adjustment was hydraulic. The grain sieve was replaceable, with an adjustable one available as an optional accessory. The threshing elements and sieves were made of galvanized sheet metal. The grain tank was quite large. There were only four threshing elements, even though the width of the threshing unit was 119 cm.

Laverdas' 20-year cooperation with the Fiat group had begun in 1981, and in the mid-1980s the Laverdas were painted in Fiatagri colors and the brand changed to Fiatagri.

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