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Hitachi

Hitachi Nico Transmission Co.,Ltd.

Image : MN type Marine Gear

The MN type marine reversing gear is made of a wet type multi-disc hydraulic clutch for change-over of forward/reverse revolution combined with a reversing gear (bevel gear) so as to operate neutral, ahead and astern. The series consists of 9 models from MN630 to MN1630, which shall apply for low speed engine of up to 3310kW at maximum.
Owing to adoption of reversing mechanism to reverse the revolution through a bevel gear, the structure is simple and plain, and of easy maintenance, inspection and handling, and suitable for various fishing boats, carriers, and inland tankers with fixed pitch propeller installed.

Features

  • Compact design of light weight with overall length shortened owing to adoption of unique reversing mechanism.
  • Installation of a thrust bearing of the propeller in addition will not be required, as a thrust bearing of Michel type is built in the reversing gear.
  • Change-over of ahead/astern can be remote-controlled easily in the bridge through adoption of pneumatic valve and solenoid one.
  • Installation of optional electronic controller enables slow speed operation.
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