Apply to


Marine : Fishing boat, Leisure boat, Cruise


Standard supply


– Mechanical control valve

– Cable bracket/clamp parts.

– Oil cooler/cover

– Companion flange/Reamer bolts

– Bell housing(Selection)

– Dual stage coupling(Selection)



– Marine reduction gearbox with hydraulic clutch.

– Suitable for twin engines with the same reduction ratio as


– Design and strict quality management according to ISO9001


– Use of seawater resistant castings.

– Quiet operation with precise gearing.

– Tapered roller bearing application considering maximum thrust.

– Compact design, minimal appearance in its class.

– Permanently available oil filter(metal) applied.

– GO HOME(emergency bolt application) function.



– Electric control valve(12V, 24V optional)

– Mechanical trolling valve

– Mounting brackets(Flat type, Customized)

– Class






Input flange Dimension




Item Download
Installation drawing(SAE#1 14″ DTC_Coupling) 3D CAD CAD PDF
Installation drawing(SAE#2 11.5″ DTC_Coupling) 3D CAD CAD PDF
Installation drawing(SAE#3 11.5″ DTC_Coupling) 3D CAD CAD PDF
Data for torsional vibration calculation   CAD PDF
Part List   CAD ENG
Manual(PDF) 日語 ENG 한글

* DTC_Coupling : Dual stage coupling