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Description - KONRAD 520

Konrad Marine is a leading manufacturer of stern drive propulsion systems for global marine applications.
The Konrad 520 is the only commercial-rated stern drive for diesel applications in the 180-440 hp range, and can handle up to 1000 Nm (738 lb. ft.) of torque.
Applications for the Konrad 520 include water taxis, crew boats, fishing vessels, houseboats and numerous military craft.


Specifications - KONRAD 520

  • Oversized bearings
  • Thicker castings
  • Hardened steel shafts
  • Largest u-joints in the industry
  • Continuous oil circulation for cool operation
  • One piece propeller shaft
  • Precision machined super alloy gears
  • No corrosive exhaust through drive
  • No failure-prone cone clutch