Klöckner-Humboldt-Deutz DZ 710

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DZ 710
Type 16-cylinder horizontally-opposed, two cycle diesel engine
National origin Germany
Manufacturer Klöckner-Humboldt-Deutz / Motorenfabrik Oberursel A.G.
Developed into Klöckner-Humboldt-Deutz DZ 720

The Klöckner-Humboldt-Deutz DZ 710 was a German aircraft engine manufactured by Motorenfabrik Oberursel A.G. in the early 1940s. It was a 16-cylinder horizontally-opposed, two cycle diesel engine. A larger 32-cylinder variant, the Klöckner-Humboldt-Deutz DZ 720 was basically two DZ 710's 'bolted' together in an H-Block fashion.

Both designs never saw operational use before the end of the war and work on the designs was halted in late 1945 after the factories were captured by the allies and turned into makeshift tank repair depots.

Specifications (DZ 710)[edit]

General characteristics

  • Type: 16-cylinder liquid-cooled two-bank horizontally-opposed diesel engine
  • Bore: 6.3 in (160 mm)
  • Stroke: 6.3 in (160 mm)
  • Displacement: 3,140 in³ (51.5 L)
  • Length: 94.5 in (2400 mm)
  • Width: 53.1 in (1350 mm)
  • Dry weight: 3,197 lb (1,450 kg)


  • Fuel type: Diesel Fuel
  • Cooling system: Liquid-cooled