Type approval for dual-fuel MAN L51/60DF

MAN L51/60DF TAT Participants at the MAN L51/60DF TAT in Augsburg with (front) Thomas Kremser, head of engine test at MAN Diesel & Turbo, Augsburg
Industry Database

MAN Diesel & Turbo’s MAN L51/60DF engine has secured type approval for main-engine and auxiliary engine operation.

The nine-cylinder dual-fuel test engine, which runs on fuel oil (DMA) and natural gas, passed its Type Approval Test (TAT) covering its alarm and safety system, gas supply system and dual-fuel safety concept, which included a test of its pilot-fuel system.

Lex Nijsen, head of four-stroke marine at 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.”

The TAT also tested the integration of MAN Diesel & Turbo’s SaCoSone engine control system with the engine, which has an output of 1,150 kW/cylinder at a nominal speed of 500/514 rpm.

The company’s Augsburg testbed no. 20 hosted the test programme in front of the industry’s main classification societies.

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