- Years of production: 1957–1961
- Engine: Single-cylinder, air-cooled, four-stroke diesel
- Displacement: 822 cc
- Power output: Approximately 14 hp (10.3 kW)
- Transmission: 6 forward gears and 2 reverse gears
- Top speed: Around 20 km/h (12.5 mph)
Notable Engineering Features:
For its time, the Junior included several advanced features:
- An air-cooled diesel engine, eliminating the need for a liquid cooling system.
- A Bosch fuel injection system for reliable performance.
- The Porsche Optima combustion system, designed to improve efficiency and fuel economy.
- Some versions, designated KH, were equipped with a hydraulic clutch (Hydrokupplung), making operation smoother and simplifying the attachment of implements.
Collector’s Value
Today, the Porsche-Diesel Junior is a highly sought-after collector’s tractor.
- The combination of the Porsche name and relatively limited production numbers makes it especially desirable.
- Spare parts for the engine, Bosch fuel injection system, and ZF transmission are still available through specialist suppliers.