SI-TEX SP-120 Autopilot System
$1,977.00
SI-TEX SP-120 Autopilot System is an autopilot system designed for accurate course keeping, with 9-Axis Rate Gyro, Hydraulic, Mechanical, Solenoid, and NMEA-0183 (Input & Output) to support compatible steering and navigation inputs.
Overview SI-TEX SP-120 Autopilot System
SI-TEX SP-120 Autopilot System is an autopilot system designed to reduce steering workload while supporting accurate heading control on smaller fishing, cruising, and coastal vessels. Key specifications include 9-Axis Rate Gyro, Hydraulic, Mechanical, Solenoid, and 15 Amps Maximum.
It is well suited to sailing and cruising, center consoles, and coastal cruising where operators want steadier tracking and easier helm management on longer runs. Features such as 9-Axis Rate Gyro Compass and Integrated 18CI Hydraulic Pump help support route following, manual steering assistance, and integration with compatible navigation equipment.
Key Features
- 9-Axis Rate Gyro Compass: Unlike traditional fluxgate compasses that can become sluggish in heavy swells, this advanced sensor provides near-instantaneous heading data, allowing the autopilot to make micro-adjustments that keep your vessel on a "rail-straight" track even in challenging sea states.
- Integrated 18CI Hydraulic Pump: This bundle includes a heavy-duty 18CI pump, providing the hydraulic muscle required for responsive steering. It is perfectly matched to the control headās 15-amp drive output, ensuring that the autopilot can handle the demands of hydraulic steering systems with fast response or motor strain.
- Vibrant 4.1-Inch Color LCD: The splash-proof control head features a brilliant color display that is easily readable in direct sunlight. The high-contrast interface allows for a quick glance at critical data, including the rudder angle indicator, which is essential for docking and low-speed maneuvering.
- Versatile Steering Modes: The SI-TEX SP-120 offers four distinct operating modes: Manual (Power Steer), Auto (Compass Course), GPS (Waypoint Tracking), and Wind (for sailboat integrations). This versatility allows you to switch from a hands-on power-steering experience to a fully automated GPS-guided route with the touch of a button.
- NMEA-0183 Connectivity: System integration is effortless thanks to the built-in NMEA-0183 interface. It accepts inputs from almost any modern chartplotter to follow complex routes and waypoints, while also outputting high-speed 10kHz compass data for MFD radar and chart overlays.
Applications
SI-TEX SP-120 Autopilot System is suitable for sailing and cruising, center consoles, and coastal cruising where reducing helm fatigue and holding a cleaner line are important. It is especially useful on installations ideal for vessels under 38 feet.
When connected to compatible navigation inputs, the system can help with course keeping, waypoint tracking, and day-to-day steering control. Functions such as 9-Axis Rate Gyro Compass and Integrated 18CI Hydraulic Pump also support easier operation during trolling, passage making, or low-speed maneuvering.
Specifications
| Control Head Size | 4.1ā x 4.1ā (110mm x 110mm) |
| Display Type | High-Resolution Color LCD |
| Vessel Suitability | Ideal for Vessels under 38 feet |
| Steering Compatibility | Hydraulic, Mechanical, Solenoid |
| Drive Output | 15 Amps Maximum |
| Compass Type | 9-Axis Rate Gyro |
| Interface | NMEA-0183 (Input & Output) |
| Waterproof Rating | IPX6 Standards |
| Power Supply | 12/24 Volts DC |
| Product Warranty | 2-Year SI-TEX Manufacturer Warranty |
What’s Included
- 1x SI-TEX SP-120 Color LCD Autopilot Control Head
- 1x 18CI Hydraulic Pump (12V)
- 1x Rudder Feedback Unit with Linkage
- 1x 9-Axis Electronic Rate Gyro Compass
- 1x NMEA Interface Cable Set
- 1x Protective Sun Cover for Control Head
- 1x Mounting Hardware and Gasket Kit
- 1x Comprehensive Product Manual

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