Benz builds four-cylinder diesel for trucks

  • Date
    14 April 1923
  • Description
    The Board of Management of Benz & Cie. in Mannheim gives the go-ahead for series production of the OB 2 four-cylinder pre-chamber diesel engine. The first units are ready for use by the end of August. The OB 2 is the first series-produced diesel engine for commercial vehicles.
Benz prechamber diesel engine 1923
In 1923 the four-cylinder Benz OB 2 precombustion diesel engine is the world's first mass-produced diesel engine for commercial vehicles. This is the injection unit of this innovative engine.
diesel engine OB 2