The workshop was active between 1907 and 1991 and has been preserved with parts of it in the original interior. Today, the local community association has courses in engine maintenance on the premises.
Målilla Mechanical Workshop started in 1907 and was shut down in 1991. Both the first motor from 1908 and the last from 1958, are preserved in the Målilla motor museum in the home park.
Carl August Alm moved to Målilla at the beginning of the 1900th century. He started Målilla Mekaniska Verkstad. He received trading rights on October 26, 1907. From the beginning, the business consisted mainly of repair work and some bicycles were also manufactured. The first engine was ready for delivery in 1908. Alm produced all the parts himself, including the models. The first engine was sold to the rectory tenant in Karlstorp, where it operated a threshing mill. The engine was sold in 1930 back to Alm. CA Alm also had good help from his sons, who worked within the company.
In 1931 Bruzaholm's Mill was purchased. Alm chose to run Bruzaholm himself. Responsible for the operations in Målilla were the sons Erik and Axel Alm. In 1937, the company was converted into a public limited company. Under the new management, the engines were further developed. In 1940 a new lighter diesel engine was introduced. It was the well-known DS engine. This engine was not only for the industry, but was also sold as a boat engine.
During the war years, engine production was down. The company was then engaged in the war industry. To handle the deliveries, the factory was running around the clock. Then the first compressor that was to be presented in 1943 was also planned.
In 1944 the first engine was exported and it was followed by several others. In 1944 the company changed its name to Calmoverken. The products have come into use in all parts of the world. In 1952, Erik Alm left the company. Axel Alm alone drove the Calmoverken. In 1957, the first Swedish-manufactured air-cooled diesel engine was launched.
