Duna Sidecars

Duna OK4 Sidecar Combination

Duna OK4 Sidecar

Manufactured in Hungary in the 1950s, it was specifically developed for Pannonia motorcycles. It was frequently mated to the Jawa.

Duna Models:

OK1: prototype
OK2: production began in 1955 and was restyled in 1957 and the suspension was improved.
OK3: introduced in 1959 and revamped in 1966 with a different shape to the nose of the sidecar body. Production continued until 1975. The OK3 had a sleek design with integral mudguard and swinging arm suspension. It weighed 62 kg.
OK4: exhibited at motor shows but did not enter production
OK5: prototype

Sources: okteamclassic.com, pannoniafreunde.de.