Tech Specs

In The Box
Reactor 40 CCU (Course Computer Unit)
1.0 L Pump
ECU (Electronic Control Unit)
ECU power cable
Interconnect cable
Buzzer
NMEA 2000® drop cables (2 meters)
NMEA 2000 power cable
NMEA 2000 T-connectors
Male and female terminators
Documentation
Manual & Warranty
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
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Tech Specs

In The Box
Reactor 40 CCU (Course Computer Unit)
1.0 L Pump
ECU (Electronic Control Unit)
ECU power cable
Interconnect cable
Buzzer
NMEA 2000® drop cables (2 meters)
NMEA 2000 power cable
NMEA 2000 T-connectors
Male and female terminators
Documentation
Manual & Warranty
Trade-In
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
Overview
Garmin Compact Reactor 40 Hydraulic Autopilot with GHC 50 Instrument Pack With GHC 50 (010-02794-07)
Every captain needs a reliable co-pilot, and the Garmin Compact Reactor 40 Hydraulic Autopilot is designed to be just that. Specifically built for single-engine outboard boats under 25 feet, this compact autopilot system delivers precise steering control, reducing the need for constant manual adjustments. Whether you're cruising at moderate or high speeds, the Reactor 40 helps maintain your course effortlessly. Featuring solid-state 9-axis AHRS, easy calibration, and wireless remote capabilities, this system allows you to enjoy a stress-free boating experience. Plus, when paired with the optional GHC 50 autopilot instrument, it enhances functionality with a dedicated touchscreen display and seamless integration with Garmin multifunction displays (MFDs).
Key Features:
- Designed for Boats Under 25 Feet – Ideal for single-engine outboard boats, providing relief from manually holding the wheel and improving navigation efficiency.
- Solid-State 9-Axis AHRS – Advanced Attitude and Heading Reference System allows flexible mounting in any orientation while minimizing heading errors, reducing power consumption, and enhancing steering accuracy.
- Reacts to Water Conditions – Adjusts automatically to changing sea conditions, maintaining course even when the boat is pitching or rolling.
- Simple Calibration & Easy Installation – Quick setup and flexible mounting options make installation hassle-free.
- Wireless Remote Capabilities – Control your autopilot from anywhere on your boat using compatible Garmin devices, including the Reactor autopilot remote and select quatix® marine smartwatches.
- Shadow Drive™ Technology (Optional) – Automatically disengages the autopilot when you take manual control of the wheel, giving you full maneuverability when needed.
- Optional GHC 50 Autopilot Instrument – Enhances control with a dedicated touchscreen display, allowing data sharing with Garmin MFDs and other installed Garmin devices.
- Powerboat & Sailing Features – Supports heading hold, step turns, wind hold, tack/jibe mode, and enables Auto Guidance+™ when paired with a compatible wind sensor (sold separately).
- Garmin Chartplotter Integration – Seamlessly connects with Garmin chartplotters for full autopilot control and advanced navigation features.
Whether you're an experienced captain or a casual boater, the Garmin Compact Reactor 40 Hydraulic Autopilot makes your journey smoother and more enjoyable. With precise course-holding, adaptive sea condition responses, and seamless Garmin integration, this system gives you the freedom to focus on the adventure ahead while it handles the navigation.