AB Åkermans Gjuteri & Mekaniska Verkstad built the first line excavator in 1939. AB Landsverk built its first excavator in 1945. In 1962, AB Åkermans Gjuteri & Mekaniska Verkstad built the first hydraulic excavator, while AB Landsverk introduced its own in 1968.
In 1972, excavator production at AB Landsverk was transferred to AB Åkermans Gjuteri & Mekaniska Verkstad.