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Garmin Class B Drive Unit Linear Sailboats to 79,000lbs
The Garmin Class B Drive Unit delivers maximum-duty electromechanical steering for US offshore yachts, featuring a powerful linear actuator for large sailboats up to 79,000 pounds.
- Drive Design: Heavy Duty Linear Actuator
- Thrust Capacity: 2380lb Peak Thrust Rating
- Weight Limit: 79,000lb Max Displacement Capacity
- Power Supply: 12V DC Input Power
- Stroke Length: 12-Inch Mechanical Ram Travel
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Description
Garmin Class B Drive Unit | Heavy-Duty 79,000lb Sailing Logic
Engineered to overcome extreme steering resistance, the Garmin Class B Drive Unit provides the mechanical torque necessary for large sailing yachts up to 79,000lbs displacement. This heavy-duty linear actuator is built with industrial-grade components to manage massive rudder loads, ensuring the Reactor 40 system can maintain course accuracy during heavy offshore weather and high-torque maneuvers.
Specifically optimized for large-scale sailing vessels, this drive mounts directly to the rudder post via a dedicated tiller arm. Ensuring the mounting structure is reinforced against the hull is critical to preventing structural deflection, which can lead to hydraulic seal failure and inaccurate steering response under heavy load.
Technical Key Features
- Supports vessels up to 79,000lbs displacement.
- High-thrust linear drive for massive rudders.
- Industrial-grade 12V/24V motor drive assembly.
- Hardened steel components resist mechanical wear.
- Integrated clutch for instant manual override.
- Low-friction gears enhance autopilot response times.
- Compatible with Garmin Reactor 40 series.
GARMIN Class B Drive Unit Linear Sailboats Specifications
| Drive Type | Heavy-Duty Hydraulic Linear Drive |
| Pump/Ram Capacity | Integrated High-Pressure Hydraulic System |
| Flow Rate / Speed | 12 Seconds (Full Stroke Span) |
| Max Pressure | 2,230 lbs (1,012 kg) Peak Thrust |
| Cylinder Compatibility | Sailboats up to 79,000 lbs (36,000 kg) |
| Operating Voltage | 12V DC System (12V-24V variants available) |
| Peak Current Draw | 30 Amps Maximum Load |
| Average Power Draw | 6A - 15A Heavy Sailing Use |
| Motor Type | Industrial Grade Reversing DC Pump |
| Computer Compatibility | Reactor 40 Mechanical / ACU-400 / NAC-3 |
| Port Size / Thread | Self-Contained (Sealed No-Hose Design) |
| Drive Connection | Tiller Arm / Quadrant Pin Interface |
| Rotation/Stroke Direction | Linear Push-Pull (300mm Stroke) |
| Mounting Type | Fixed Pivot Foot Bracket (Under Deck) |
| Housing Material | Corrosion-Resistant Cast Iron & Steel |
| Waterproof Rating | IPX6 Marine Protected Unit |
| Operating Temperature | -15°C to +60°C Extreme Performance |
| Length (Overall) | 820 mm Fully Extended |
| Width/Diameter | 165 mm Robust Chassis |
| Weight | 14.0 kg (30.8 lbs) |
| Included Accessories | Mounting Pin, Clevis, Hardware Kit |
| Key Mechanical Feature | Dual solenoid bypass for emergency manual steering |
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