Type Approval Granted to Uprated MAN L51/60DF

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The L51/60DF engine created by MAN Diesel & Turbo’s successfully passed its Type Approval Test (TAT).

The test was carried out at the company’s Augsburg works in Germany between 17th to 20th October in front of the industry’s main classification societies.

Test engine specifications:

The nine-cylinder test engine has an output of 1,150 kW/cylinder at a nominal speed of 500/514 rpm.

The MAN L51/60DF engine can be employed both as marine main-engine and auxiliary engine.

Augsburg’s testbed no. 20 hosted the test programme of a nine-cylinder version of the engine that ran on fuel oil (DMA) and natural gas.

The TAT tested the engine’s:

  • alarm and safety system
  • dual-fuel safety concept, including a test of its pilot-fuel system
  • gas supply system

The TAT also successfully tested the integration of MAN Diesel & Turbo’s proprietary SaCoSone engine control system with the engine.

Higher efficiency:

Lex Nijsen, Head of Four-Stroke Marine, MAN Diesel & Turbo said, “The MAN L51/60DF, with its improved rated-output and new features such as gas-start capability, is a welcome addition to the ranks with the flexibility to act in a main or auxiliary capacity. Whether operating on fuel oil or gas, I’m certain its efficiency and high power output will be appreciated by the market”.

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Source: MAN

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