Raymarine Hydraulic Reversing Pump Type 0.5
The Raymarine Hydraulic Reversing Pump Type 0.5 provides bidirectional hydraulic steering assistance for compatible autopilot systems. Reversing operation moves the rudder in either direction, helping maintain a selected heading while reducing repeated manual wheel corrections during cruising and maneuvering.
RAYMARINE Hydraulic Reversing Pump Type 0.5 Specifications
| Drive Type | Reversing Hydraulic Gear Pump |
| Pump/Ram Capacity | 3.1 cu in - 6.3 cu in (50cc - 105cc) |
| Flow Rate / Speed | 650cc / min Fixed Flow |
| Max Pressure | 50 Bar (725 PSI) Peak |
| Cylinder Compatibility | Small Capacity Steering Rams |
| Operating Voltage | 12V DC System |
| Peak Current Draw | 10 Amps Maximum |
| Average Power Draw | 2A - 4A Typical Cruising |
| Motor Type | Permanent Magnet Reversing DC |
| Computer Compatibility | ACU-100 / NAC-2 / AC12 |
| Port Size / Thread | 1/4" NPT Standard Fittings |
| Drive Connection | Hydraulic High-Pressure Lines |
| Rotation/Stroke Direction | Dual-Direction Reversing Flow |
| Mounting Type | Foot Mount (Vertical or Horizontal) |
| Housing Material | Anodized Aluminum & Steel |
| Waterproof Rating | IPX6 Marine Protected Drive |
| Operating Temperature | -15°C to +55°C Performance |
| Length (Overall) | 165 mm Compact Profile |
| Width/Diameter | 90 mm Body Diameter |
| Weight | 2.0 kg (4.4 lbs) |
| Included Accessories | Mounting Bolts, Port Plugs |
| Key Mechanical Feature | Whisper-quiet gear pump technology |
Common Question of Raymarine Type 0.5
What is the Type 0.5 Pump?
The Raymarine Hydraulic Reversing Pump Type 0.5 is a hydraulic autopilot pump for compatible steering systems. It reverses hydraulic flow to move the steering cylinder. Confirm cylinder volume, fittings, hoses, voltage, battery, control computer, and hydraulic autopilot system compatibility before installation.
What steering system does it need?
It requires compatible hydraulic steering and a correctly sized steering cylinder. Confirm cylinder volume, hose dimensions, pump capacity, hydraulic fluid, control unit, power supply, and mounting requirements before commissioning. Correct sizing supports dependable heading control.
Does it operate an anchor?
No. The Type 0.5 pump controls hydraulic steering and does not handle chain, rope, gypsy, or anchor drums. It is not an anchor windlass component. Use dedicated equipment for marine anchor retrieval.











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