In the new combine harvester series introduced in 1975, there were four models: M 92, M 112, M 132, and M 152. The design was more angular than before, and the unloading chute was now positioned on top of the tank. The smallest 3-rotor model had a 4-cylinder Perkins engine, while the others were equipped with 6-cylinder engines. In addition to Fiat and OM engines, Perkins and Ford engines were also used.

The threshing drum width of the smallest model was increased to 87 cm. The two middle models were 4-rotor with a width of 119 cm, and the M 152 had five rotors. The speeds of the threshing drum and fan could be adjusted mechanically or electrically from the driver's seat. A straw chopper was available as an optional accessory. Models M 112 to M 152 featured a new cutter bar with an oil-bath blade drive. Thanks to this series, Laverda rose to become the number one brand in the Italian market and expanded exports to over 40 countries worldwide. In export countries, Laverda was competitively priced at this stage.

In 1981, the series was complemented by the 6-rotor M 182, which was the first model equipped with electronic monitoring functions. The cutting width ranged from 420 to 660 cm, and the grain tank capacity was 70 hectoliters. The engine was a 225-horsepower Fiat six-cylinder. The M 182 was manufactured in a new factory in Breganze. In the 1980s, medium-sized models were also available with hydrostatic drive.

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