At the top of the Valmet model range, a peculiar crawler-equipped 1502 was introduced in 1975. It partially utilized components used in forestry machines. The engine was a new 6.6-liter six-cylinder, with a power output of 136 hp. The ergonomically advanced cab was very large and widened upwards. The problems of the 1502 included a gigantic turning radius, a weight exceeding 7,000 kg, hydraulics that were modest in power relative to the tractor's size category, and a gearbox that was weak in durability. In 1979, a driven front axle was added to the 1502. Both Carraro and NAF axles were used. Sales of the 1502 remained very limited.

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