Trim Carl-Axel Skärlund was the constructor for the famous Penta-U2 and made the Trim motor in 1933. It was produced by Bolinders in Stockholm. Bolinders made steam engines, inboard motors, iron stows and tractors among other things. Trim was made in four models: E: 1 cyl. 3-4hp, A: 2 cyl. 6-8hp, T: 2 cyl. 4-5hp and C: 2 cyl. 20-22hp. The racemotor was based on model T and gave ca. 30hp and was 10 kg lighter. Trim was considered to be a high quality motor and the production lasted till WW2.