The Marine Gearbox Model 135 has the capacity of reduction, working ahead or astern, engaging and disengsging the xkutvh and standing the thrust by running propeller. It is of compact construction with reliability. Reduction ratio: i=2-6

It is zdvised to read thoroughly the manual with care before service to get good performance and maintenances.

The construction of the gearbox will be somewhat improved at regular intervals, no notice is issued except in the manual revisedã????