AB Landsverk

In late 1920, the company found itself on the verge of bankruptcy. Through a German company, the Gutehoffnungshütte Aktienverein für Bergbau und Hüttenbereich Oberhausen (GHH), invested heavily and gained control of 50 % of the shares.

In 1923, the company manufactured a small number of tracked agricultural tractors based on an American design. The Germans increased their ownership to 61% in 1925 and three years later the name was changed to AB Landsverk. In 1929, the German engineer Otto Merker was assigned to Landsverk to develop armoured vehicles, a few prototypes of a German design with both wheels and tracks were manufactured in Landskrona named L-5, but never went into production. The Stridsvagn M/21-29 was a German design with a Swedish engine and was produced in Sweden by both AB Landsverk and AB Nohab. The In 1930, the Swedish Army placed an order of armoured car for trials, and a few years later three light tanks on wheels and tracks.

In 1933, Lithuania ordered six, in 1935, the Netherlands ordered twelve Landsverk L181 and in 1937, an order of thirteen L-180 armoured cars. Landsverk presented the L-60 in 1934, the first tank with torsion-bar suspension. There was some very limited export of armoured cars to other countries like Denmark and Finland. Hungary manufactured the L-60 by license as the Toldi. Mid-thirties Hungary ordered a further developed armoured car with heavier armament and thicker armor. This design was completed in 1938 and became the new Landsverk Lago. The Landsverk anti-II was an AA variant of this tank.

Landsverk built a few L-120 light tanks in the 1930s, one of which was exported to Norway; it was the first tank operated by the Norwegian Army.