sentences:  The vehicles of the 1943 build series had only their chassis and the transmission assembled on the factory production line; the bodywork and interior build being undertaken by the Italian design studio Pininfarina.In 1948 a first Alfa Romeo 6C 3000 prototype was built.It was a 5–6 passenger 4-door saloon car of the same class as the 6C 2500, but which could be built using more modern and economical manufacturing processes.