Landsverk L-30

Landsverk L-30 (Swedish Army designation: stridsvagn försöksmodell 1931, abbr. strv fm/31, "tank trial model-1931") was a Swedish late interwar era medium tank constructed by AB Landsverk for the Swedish Army between 1930 and 1935, featuring welded armour joints and a "wheel-cum-track system", allowing for interchangeable wheeled and tracked propulsion.