Recently, Siemens ordered a specially designed switchable special gearbox from Mann. The Flender two-speed transmission is a unique, switchable transmission that shows the different operating modes of a special vessel. The various switching functions of the transmission contribute to different speeds and power transmissions, making it ideal for ships, hybrid ships, ships with different operating modes, or diesel engines that require redundant systems or emergency systems as replacement drives. Simultaneous power generation 
The two-speed transmission is extremely efficient and can be customized and adapted to the specific application of the various operating modes and functions.
It is reported that the contract undertaken by Siemens will provide a special solution for a modern fishing boat. Mann will supply the fishing boat with a 6,000 kW MAN engine, plus Siemens' Flender two-speed gearbox, which will generate two speed modes of power through the onboard diesel engine during operation.
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