... transmission,couplings,damages, gear unit,marine gearbox Management Certificate: ISO9001:2000 135 Marine Gearbox Description135 marine gearbox manufacturer,high quality,comptitive ... 0.093 0.088 0.077 0.070 The marine gearbox Model 135 has the capability of reduction, working ... clutch and standing the thrust by running proprller.The marine gearbox Model 135 has the capability of reduction, working ...