improve your vessel’s power, efficiency, and reliability with the NEW Advance 120C Heavy Duty Marine Gearbox 2.45:1 Reduction. Built for demanding marine applications, this heavy-duty marine transmission is engineered to provide exceptional torque, smooth gear engagement, and dependable performance in commercial and recreational boats.
The 2.45:1 reduction ratio is ideal for vessels that require increased propeller torque and greater low-speed thrust, making it perfect for fishing boats, workboats, passenger vessels, and other heavy-duty marine applications. By efficiently transferring engine power to the propeller, the Advance 120C helps improve fuel efficiency, enhance manoeuvrability, and reduce engine strain.
Constructed from premium marine-grade materials with precision-engineered internal components, this gearbox is designed to withstand continuous operation in harsh freshwater and saltwater environments, delivering long-lasting durability and reliable performance.
Key Features
- 2.45:1 reduction ratio for maximum propeller torque
- Heavy-duty marine gearbox for commercial and recreational use
- Smooth forward, neutral, and reverse operation
- Precision-engineered gears for efficient power transmission
- High-strength marine-grade construction
- Corrosion-resistant for saltwater and freshwater environments
- Designed for continuous-duty operation
- Low-noise, smooth performance
- Durable and easy to maintain
- Long service life under demanding marine conditions
Benefits
The Advance 120C Heavy Duty Marine Gearbox is designed to maximize propulsion efficiency while providing the extra torque needed for vessels carrying heavy loads or operating at lower speeds. Its 2.45:1 reduction ratio allows the propeller to operate more efficiently, resulting in stronger thrust, improved handling, and smoother acceleration.
This gearbox helps reduce engine wear, improve fuel economy, and deliver reliable performance in a wide variety of marine environments, making it a dependable choice for professional operators and recreational boat owners alike.

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