Logo of the Polish Aviation Museum in Kraków
Permanent Exhibition Engines Engine Hall

Junkers Jumo 211

Country:Germany
Type:inline engine
Year:1936

An engine with direct fuel injection into the cylinders and a two-speed supercharger, allowing the maintenance of power at high altitudes. Fuel injection was the most important of the innovative technical solutions applied in the engine, enhancing its performance and operational qualities.

The Jumo 211 engine was designed by a team led by Prof. Hugo Junkers, an outstanding designer of aircraft and aviation engines. Its creation was associated with plans for the rapid expansion of the German military aviation.

It was produced in several versions in large numbers throughout the entire Second World War. Approximately 68,000 units were built. It was used in the Heinkel He 111 and Junkers Ju 88 bombers of most versions, as well as in the Junkers Ju 87 dive bombers.

Technical data:

Configuration12-cylinder inverted V
Coolingliquid
Compression ratio6.5
Displacement35 l
Weight720 kg
Maximum power1200 hp at 2400 rpm
Rated power930 hp at 2300 rpm
Data for the Jumo 211B/D version.