Strange locomotion.
For one point, please respond and identify this contraption.
It is a truck called "Motorhund" which was built by the Vorweg-Motoren-GmbH Frankfurt am Main in Germany and was presented at the Berlin Motor Show 1926.
A motor on a 60 cm wide axle and a support wheel at the back. To pull or push trailers with one axle.
Trailer with one axle and without own engine. As the one shown in the picture.
Well found!