U60 1936-39 Columbus sv 600cc 18 PS
Engine: 592cc Sidevalve, Bore/stroke 80 x 117.5mm
Power: 18hp at 4750rpm
Compression ratio: 5.3:1
Sales literature reads along the lines:
"With great driving comfort and unlimited service life, the type U60 requires little maintenance. It is therefore the most convenient vehicle for business, travel and sport, suitable for both solo and sidecar use.
The uncomplicated construction of the 600cc engine guarantees high performance and absolute freedom from mechanical problems.
Four-speed gearbox with a fully enclosed primary drive chain in an oil bath.
Removable light alloy cylinder head."