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Raymarine Type 3 Hydraulic Linear Autopilot Drive System - 12V (M81202)
Professional-Grade Self-Contained Hydraulic Steering System for Large Displacement Vessels
Transform Your Large Vessel's Steering with Professional Hydraulic Autopilot Technology
The Raymarine Type 3 Hydraulic Linear Drive System (M81202) delivers professional-grade automated steering for mechanically steered vessels up to 77,000 lb (35,000 kg) displacement. This completely self-contained hydraulic autopilot system provides exceptional steering control and reliability, making it the preferred choice for serious cruisers and commercial operators navigating challenging waters.
Engineered specifically for boats with existing mechanical steering systems, this advanced hydraulic linear drive creates a totally isolated autopilot steering solution that maintains your vessel's manual steering capability while adding precise automated navigation control.
Advanced Hydraulic Autopilot Features
Complete Self-Contained System
- Hydraulic Ram: Self-contained autopilot steering cylinder with integrated load limiting system and built-in clutch for friction-free manual steering when autopilot is disengaged
- Reversing Hydraulic Pump: High-performance pump delivers reliable power to the hydraulic ram with precise control
- Hydraulic Fluid Reservoir: Pre-filled with mineral-based hydraulic oil (ISO VG10/VG40) and ready for installation
Professional Performance Specifications
- Maximum Vessel Displacement: 77,000 lb (35,000 kg)
- Peak Thrust Output: 675 kg (1,488 lb)
- Maximum Rudder Torque: 2,565 Nm (23,100 lb-in)
- Maximum Stroke Length: 300 mm (12 inches)
- Hardover Response Time: 12 seconds
- Operating Voltage: 12V DC
Technical Specifications
System Compatibility
- Control Unit: Compatible with Evolution Autopilot ACU-400
- Steering Type: Mechanical steering systems only (not hydraulic)
- Installation: Attaches to rudder quadrant or tiller arm
- Mounting: Below deck installation to structural members
Compliance & Standards
- EMC Compliance: EN60945:2002
- Ignition Protection: EN28846:1993
- Marine Standards: Built to professional marine equipment standards
- Quality Assurance: Raymarine factory pre-filled and tested
Installation & Operational Benefits
Seamless Integration
The Type 3 Hydraulic Linear Drive integrates seamlessly with your existing mechanical steering system without compromising manual steering capability. The built-in clutch system ensures smooth, friction-free manual steering when the autopilot is not engaged, providing the best of both automated and manual control.
Professional Installation Considerations
- Structural Mounting: Secure anchoring to boat's structural members required
- Steering Connection: Direct attachment to rudder stock via independent tiller arm
- System Integration: Compatible with Evolution autopilot systems
- Accessory Fittings: May require manufacturer-specific steering system accessories
Ideal Applications
- Offshore Cruising: Long-distance navigation with reliable autopilot control
- Commercial Vessels: Professional marine operations requiring precise steering
- Large Sailboats: Heavy displacement sailing vessels up to 35,000 kg
- Motor Yachts: Larger motor vessels with mechanical steering systems
- Fishing Vessels: Commercial and sport fishing boats requiring hands-free operation
Why Choose Raymarine Type 3 Hydraulic Linear Drive
Proven Marine Technology
Raymarine's decades of marine electronics expertise ensure reliable performance in challenging maritime conditions.
Complete System Solution
Self-contained design eliminates the need for separate hydraulic components, simplifying installation and maintenance.
Isolated Steering System
Totally separate from your manual steering, preserving full manual control while adding autopilot capability.
Heavy-Duty Performance
Engineered for vessels up to 77,000 lb displacement with professional-grade thrust and torque specifications.
Frequently Asked Questions
What size vessels is the Type 3 Hydraulic Linear Drive suitable for?
This system is designed for mechanically steered vessels up to 77,000 lb (35,000 kg) displacement, making it ideal for large sailboats, motor yachts, and commercial vessels.
Can this system be installed on boats with hydraulic steering?
No, the Type 3 Hydraulic Linear Drive is specifically designed for boats with existing mechanical steering systems, not hydraulic steering systems.
Does the autopilot interfere with manual steering?
No, the built-in clutch system allows friction-free manual steering when the autopilot is not in use, providing seamless transition between automated and manual control.
What autopilot control unit is compatible with this drive?
The Type 3 Hydraulic Linear Drive is compatible with Raymarine's Evolution Autopilot ACU-400 control unit for complete system integration.
Is the system pre-filled and ready to install?
Yes, the system comes pre-filled with mineral-based hydraulic oil (ISO VG10/VG40) and is factory-tested, making it ready for installation upon delivery.
What installation requirements should I consider?
The system requires secure mounting to the boat's structural members and attachment to the rudder stock via an independent tiller arm. Professional installation is recommended for optimal performance.
Safety & Compliance
The Raymarine Type 3 Hydraulic Linear Drive meets stringent marine safety standards including EN60945:2002 for electromagnetic compatibility and EN28846:1993 for ignition protection. This compliance ensures safe operation in marine environments and compatibility with other marine electronic systems.
