Oy Suomen Autoteollisuus Ab Finnish automotive pioneer and celebrated its 40th anniversary in 1971. This film is made for the anniversary and the video presents the company's production facilities (Helsinki, Hämeenlinna, Finland, Karis) and production of SISU trucks, buses, offroad army vehicles and special vehicles. The film also presents the Finnish metal industry. The film belongs to the "Sisu is strength" filmseries.

In the video Sisu Models: Kontio, Mseries "Bulldog", "Proto" A45 and Jyry is represented