In 1964, the Hanomag Perfekt received a new angular design that was ahead of its time. The cab was also modern. The Perfekt 300's engine was replaced with a 1.8-liter van engine. The Bosch hydraulic pump was slightly more powerful than before. In the Perfekt 400, the engine remained the same. The Perfekt 400 was the last Hanomag imported to Finland, as imports ended in 1966.

In 1966, the new Granit 500 was introduced, which, unlike its predecessor, was now based on the technology of the smaller models. However, the engine was still the same 3-cylinder as before. The engine was also an integral part of the load-bearing structure. The transmission was completely new, with 9+3 gears. The rear axle was stronger than in the Perfekts. For 1967, a 1000 rpm power take-off implemented with a separate axle was introduced.

In 1967, the Perfekt engines were given more power by increasing the engine speed. The 400 E also now had the 9+3 transmission, a 1000 rpm power take-off, and more lifting capacity.

At the beginning of 1968, the Perfekt 400 E and Granit 500 received a new engine, which was a 3-cylinder 2.1-liter. The Granit's engine grew to 2.35 liters a year later, which was also used in the most powerful model of the small series, the 500 E. The spacing of the grille openings changed to be less frequent, in line with the larger models.

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