Dong-I marine gearboxes provide robust performance, flexibility, and lower total cost for medium- to high-speed engines, from 74 to 1549 HP.
Dong-I gearboxes are suitable for most medium- to high-speed marine engines, from 74 to 1549 HP. They are especially easy to pair with Volvo engines, Scania, John Deere, CAT, IVECO, Perkins, Yanmar, AGCO, ABC and many more.
making it straightforward to source gears for new builds or replacements—saving both time and money. Dong-I gearboxes support various options such as forward & reverse, live PTO, trolling valves, and electronic control systems, so your engine package is fully optimized.
Whether you’re installing a new engine or replacing an older marine gearbox, Dong-I provides:
Wide range of ratios and configurations
Easy compatibility with popular engines, especially Volvo
Lower total cost per installation
High reliability for fishing vessels, workboats, and commercial ships
For workshops and marine dealers, Dong-I gearboxes make gear replacements easier, faster, and more affordable than ZF or Twin Disc solutions.
Cost savings: Typically 5–10% cheaper than ZF or Twin Disc.
Built-in functionality: Forward & reverse, live PTO, trolling valve, and electronic control options included as standard.
Flexible configurations: Easily matched to a wide range of engines.
Proven reliability: Decades of successful installations worldwide.
For dealers or ship repair companies, Dong-I provides a smart solution for new installations or gear replacements, offering the same performance as premium brands at a lower price.
Dong-I gearboxes are manufactured in South Korea in a modern, professional factory. Every unit undergoes strict assembly, testing, and quality control. Known for reliability and durability, Dong-I allows marine operators, shipyards, and dealers to reduce total engine-package costs by 5–10% compared to other brands, without compromising quality.
West Diesel has over 20 years of experience supplying Dong-I gearboxes. From vessel rebuilds to workboats and fishing vessels, our team can help you find the exact gearbox for your setup.
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
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