The NEW Advance HC138 Heavy Duty Marine Gearbox 3.57:1 Reduction is a premium marine transmission engineered for dependable performance, efficient power transfer, and long-lasting durability in demanding marine environments. Designed for commercial and industrial applications, this heavy-duty marine gearbox delivers the strength and reliability required for fishing boats, workboats, tugboats, passenger vessels, and marine diesel engine installations.
Featuring a 3.57:1 reduction ratio, the Advance HC138 Marine Gearbox provides excellent torque multiplication while optimizing propeller speed for improved thrust, fuel efficiency, and vessel maneuverability. Precision-machined gears ensure smooth, quiet operation while minimizing wear, helping extend the service life of both the gearbox and engine.
Built with a robust, corrosion-resistant housing and high-quality internal components, the Advance HC138 Heavy Duty Marine Gearbox is designed to perform reliably in both freshwater and saltwater environments. Whether you’re replacing an existing marine transmission or installing a new propulsion system, this gearbox offers outstanding performance and dependable operation.
Key Features
- Brand New – In Stock
- Genuine Advance HC138 Heavy Duty Marine Gearbox
- 3.57:1 reduction ratio for high torque and efficient propulsion
- Heavy-duty construction for commercial and industrial marine use
- Precision-engineered gears for smooth and quiet operation
- High torque capacity for continuous-duty applications
- Corrosion-resistant housing for maximum durability
- Efficient power transmission for improved vessel performance
- Low maintenance design with extended service life
- Ready for immediate dispatch
Applications
The Advance HC138 3.57:1 Marine Gearbox is ideal for:
- Commercial fishing boats
- Tugboats
- Workboats
- Passenger ferries
- Cargo vessels
- Inland waterway vessels
- Marine diesel engine installations
- Heavy-duty marine propulsion systems
Technical Specifications
- Product Name: Advance HC138 Heavy Duty Marine Gearbox
- Condition: New
- Availability: In Stock
- Reduction Ratio: 3.57:1
- Application: Marine propulsion systems
- Gear Type: Heavy-duty marine reduction gearbox
- Construction: Industrial-grade heavy-duty housing
- Performance: High-torque, efficient power transmission
Why Choose the Advance HC138 Marine Gearbox?
The Advance HC138 Heavy Duty Marine Gearbox 3.57:1 Reduction is trusted by marine professionals for its exceptional durability, reliable operation, and efficient power delivery. Its optimized reduction ratio enhances propeller performance, improves fuel economy, reduces engine stress, and delivers excellent low-speed control for demanding marine applications.

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