Description
Advance 300 Heavy Duty Marine Gearbox 2.54:1 Reduction
Overview
The Advance 300 Marine Gearbox is engineered to provide efficient power transfer between marine diesel engines and propulsion systems operating in demanding commercial environments. Designed for reliability and long service life, this heavy-duty hydraulic transmission is suitable for a wide range of vessel types requiring dependable propulsion performance.
The 2.54:1 reduction configuration offers an excellent balance between engine output and propeller efficiency, helping optimize vessel performance while maintaining smooth and reliable operation.
Built with commercial applications in mind, the Advance 300 is designed to handle heavy workloads, continuous operation, and the demanding conditions commonly encountered in marine environments.
Key Features
The Advance 300 Heavy Duty Marine Gearbox incorporates several features designed to enhance performance, flexibility, and reliability.
Key features include:
- 2.54:1 reduction ratio
- Heavy-duty hydraulic transmission design
- Optional Live PTO
- Optional gearbox oil cooler
- Mechanical control compatibility
- Electronic control compatibility
- Multiple ratio options available
- SAE0 and SAE1 adaptor compatibility
- Commercial-duty construction
- Smooth hydraulic operation
These features allow the gearbox to be configured for a wide range of propulsion and auxiliary equipment requirements.
Hydraulic Transmission Design
The Advance 300 Marine Gearbox utilizes a proven hydraulic transmission system designed for smooth operation and reliable power delivery.
Benefits include:
- Smooth gear engagement
- Reduced driveline shock
- Efficient power transfer
- Improved vessel handling
- Lower wear rates
- Reliable commercial operation
Hydraulic marine transmissions are widely used throughout the marine industry because they offer dependable performance under heavy loads while minimizing operational stress on propulsion components.
This design helps maximize both gearbox longevity and propulsion efficiency.
Reduction Ratios and Performance
The Advance 300 is available in multiple reduction ratios to accommodate different propulsion requirements.
Available ratios include:
- 1.87:1
- 2.04:1
- 2.54:1
- 3.00:1
- 3.53:1
- 4.10:1
- 4.47:1
- 4.61:1
- 4.94:1
- 5.44:1
The 2.54:1 reduction ratio is particularly suitable for many commercial and workboat applications where efficient propeller loading and engine performance are required.
Selecting the appropriate ratio allows operators to optimize propulsion efficiency according to vessel size, engine characteristics, and operating conditions.
Live PTO Capability
One of the most valuable options available for the Advance 300 Marine Gearbox is the optional Live PTO (Power Take-Off) system.
Benefits include:
- Hydraulic pump operation
- Auxiliary equipment drive capability
- Deck machinery support
- Winch operation
- Commercial vessel flexibility
- Expanded equipment compatibility
Live PTO functionality is particularly valuable on fishing vessels, workboats, dredgers, and commercial craft where additional mechanical power is required for onboard equipment.
This option increases operational versatility while reducing the need for separate power sources.
Control System Options
The Advance 300 Hydraulic Gearbox supports both mechanical and electronic control systems.
Advantages include:
Mechanical Controls
- Proven reliability
- Simple operation
- Easy maintenance
- Cost-effective installation
Electronic Controls
- Enhanced precision
- Improved integration
- Modern vessel compatibility
- Advanced control capabilities
This flexibility allows vessel owners and builders to configure the transmission according to operational preferences and vessel requirements.
Installation and Compatibility
The Advance 300 Marine Gearbox is designed for integration with a broad range of marine propulsion systems.
Compatibility features include:
- SAE0 adaptor plate option
- SAE1 adaptor plate option
- 14-inch drive plate option
- 16-inch drive plate option
- 18-inch drive plate option
These options provide excellent compatibility with many commercial marine diesel engines and propulsion configurations.
The gearbox can be adapted to suit both new vessel construction and marine repower projects.
Built for Commercial Reliability
The Advance 300 Heavy Duty Marine Gearbox is engineered for long-term operation in demanding commercial marine environments.
Reliability benefits include:
- Heavy-duty internal components
- Hydraulic transmission technology
- Commercial-grade construction
- Oil cooler compatibility
- High-load capability
- Proven marine engineering
The gearbox is designed to withstand continuous-duty operation while maintaining dependable performance throughout its service life.
This makes it a trusted choice for operators who rely on their propulsion systems every day.
Technical Specifications
The Advance 300 Heavy Duty Marine Gearbox is configured with a 2.54:1 reduction ratio and is designed for commercial marine propulsion applications.
The gearbox supports a maximum input speed of 2500 RPM and is available with SAE0 and SAE1 adaptor plate options. Operators can choose between mechanical or electronic controls, while 14-inch, 16-inch, and 18-inch drive plate options provide installation flexibility.
Optional equipment includes a Live PTO system and gearbox oil cooler for enhanced functionality and cooling performance.
Specifications
- Model: Advance 300
- Reduction Ratio: 2.54:1
- Maximum Input Speed: 2500 RPM
- Transmission Type: Hydraulic Marine Gearbox
- Adaptor Plates: SAE0 / SAE1
- Control Options: Mechanical / Electronic
- Drive Plates: 14″, 16″, 18″
- Live PTO: Optional
- Oil Cooler: Optional
- Weight: 740 kg
- Drop Centre: 264 mm
- Dimensions: 638 × 870 × 864 mm
Why Choose the Advance 300 Marine Gearbox?
The Advance 300 Heavy Duty Marine Gearbox offers a combination of durability, versatility, and commercial-grade performance.
Reasons to choose this gearbox include:
- Proven hydraulic transmission design
- Multiple ratio options
- Live PTO compatibility
- Heavy-duty construction
- Commercial vessel suitability
- Flexible control systems
- Broad engine compatibility
- Long service life
Whether used in fishing vessels, ferries, workboats, or commercial marine propulsion systems, the Advance 300 provides dependable power transmission and operational flexibility.
Frequently Asked Questions
What reduction ratio does this gearbox use?
This model is configured with a 2.54:1 reduction ratio, although other ratios are available.
Is the Advance 300 suitable for commercial vessels?
Yes. The gearbox is specifically designed for commercial marine applications and continuous-duty operation.
Does the gearbox support Live PTO?
Yes. An optional Live PTO system is available.
What control systems are compatible?
The gearbox supports both mechanical and electronic controls.
What is the maximum input speed?
The Advance 300 supports a maximum input speed of 2500 RPM.
Is an oil cooler available?
Yes. An optional gearbox oil cooler can be fitted.
What engines can this gearbox be paired with?
The gearbox is compatible with many marine diesel engines through SAE0 and SAE1 adaptor plate options.

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