Dong-I gearboxes are used by well-known engine manufacturers such as Cummins, Volvo Penta, Caterpillar, John Deere, Doosan and Hyundai. This shows that Dong-I delivers high-quality gearboxes trusted by some of the biggest names in the industry.
Flexible solution that fits almost all medium- to high-speed marine engines from 74–1445 HP.
Wide range of ratios and configurations, allowing us to find the exact gearbox for your application.
Perfect for workshops and dealerships, enabling higher profit on new engine installations or replacing older marine gearboxes
Dong-I gearboxes can be matched with engines from Scania, Volvo, John Deere, CAT, IVECO, Perkins, Yanmar, AGCO, ABC, and more. Dong I Gears can also be matched with ZF maneuver systems or others, for existing engine packages requiring replacements.
Forward & reverse (standard on almost all Dong-I gearboxes), Live PTO, Trolling valve, Electronic control options and more.. Everything you would normally expect – is included as standard. - contact us to get the full overview and find
D-I Industrial Co. Ltd. is the leading manufacturer of marine reduction gearboxes and control systems in South Korea. while they don’t carry the same premium brand recognition as names like ZF, that doesn’t mean they’re any less reliable – in fact, they’re just as capable.
The factory in South Korea combines advanced engineering with hands-on craftsmanship. Every gearbox goes through a carefully controlled production process, from precision machining of gears to assembly and rigorous testing. Skilled technicians oversee each step to ensure smooth operation, long service life, and optimal performance, making Dong-I gearboxes a trustworthy choice for demanding marine applications.
“We’ve used Dong-I gearboxes in several installations and they work smoothly with different engines and control systems. Good quality and great value for money.” - General marine / ship repair workshop
The vessel was equipped with a DONG-I DMTP 5100 gearbox with PTO output, a reduction ratio of 3.46:1 and an integrated trolling valve. The gearbox was delivered as part of a complete propulsion package, including a ZF control and manoeuvring system, exhaust silencer with ejector function, a 2” flushing pump, a new four-blade propeller, a complete keel cooling system and Rubber Design flexible mounts.
The result is a fully integrated and ready-to-operate setup designed for reliable marine operation
West Diesel specializes in providing complete power solutions tailored to your unique requirements, focusing on high quality and flexible configuration. Our customer-centric products offer you excellent value and reliability.
H E Bluhmes Vej 6
6700 Esbjerg
Denmark
Tel.: (+45) 75 12 70 44
Email: [email protected]
CVR: 76393710
Dansk
Suomi
