The FN M12 Tricar was constructed with parts from the heavy sidecar motorcycle FN M12. Several variants were made from this versatile vehicle beginning in 1939.
About 400 - 500 vehicles were made from 1939 to 1940. It had a payload of 550 kg. The Wehrmacht used such vehicles, too.
The heavy sidecar motorcycle FN M12 powered by a 1000 ccm engine was manufactured from 1939 to 1940. This model proved well and was later used by the Wehrmacht. (Photo: German federal archive via Wikimedia Commons; License: Creative Commons BY-SA-3.0-gb)