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Marine Reduction Gear - Dong-I Reduction gears

Marine Reduction Gear - Model: HL

See all models and versions here

Standard supply

– Mechanical control valve

– Cable bracket/clamp parts.

– Oil cooler/cover

– Companion flange/Reamer bolts

– Bell housing(Selection)

– CENTA Flexible coupling


– Marine reduction gearbox with hydraulic clutch.

– Suitable for twin engines with the same reduction ratio as forward/reverse.

– Design and strict quality management according to ISO9001 standards.

– 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


Contact us

Get professional help from West Diesel. With our 25+ years in the industry, we are ready to help you with your next Marine reductional gear, we ensure you the best quality and fit for your project.

Contact us by phone: +45 75 12 70 44
Mmail: Westdiesel@westdiesel.dk

We will handle your request as fast as possible. 


Rasmus Sørensen

Sales Manager

(+45) 76 11 41 62