This is a Porsche-Diesel Super tractor.

This is a Porsche-Diesel Super tractor. Porsche manufactured tractors from the early 1950s through the early 1960s, primarily under the Porsche-Diesel Motorenbau GmbH name in Germany. The “Super” designation typically refers to the Porsche-Diesel Super 308, a higher-powered variant equipped with a multi-cylinder diesel engine, often used for heavier farm work.