Industrieverband Fahrzeugbau (IFA) was the umbrella company for EMW and alongside the EMW products it started producing the IFA F8 at its Zwickau factory, which was just a version of the pre-war DKW F8 that had previously been built there. In 1950 the successor to the F8, the IFA F9 went into production at Eisenach, this being created from a secret pre-war DKW F9 prototype that would also be separately developed under the DKW badge across the Iron Curtain. This IFA F9 formed the basis of the new Wartburg 311 launched in 1956 with a 3-cylinder 910cc two stroke engine from the F9. The F8 twin cylinder engine was developed into the Trabant 600cc engine. In 1962 the engine was enlarged to 992cc to produce the 'Wartburg 1000'. Bodies offered were 4-door saloons, 2-door coupes and cabriolets, 5-door and 3-door estates and a roadster, although the saloon and estates were the most numerous. The 311 was replaced by brand new 353 in 1965, although a Wartburg 312 was produced for a couple of years mixing 311 body with 353 parts.