Tech Specs
In The Box
CCU (Course computer unit)
ECU (Electronic control unit)
ECU power cable
ECU to CCU interconnect cable
Steering actuator
Throttle actuator
Autopilot remote
NMEA 2000 drop cable (2 m)
NMEA 2000 power cable
2 NMEA 2000 T-connector
NMEA 2000 male terminator
NMEA 2000 female terminator
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.
Reviews
Ask a Question
Tech Specs
In The Box
CCU (Course computer unit)
ECU (Electronic control unit)
ECU power cable
ECU to CCU interconnect cable
Steering actuator
Throttle actuator
Autopilot remote
NMEA 2000 drop cable (2 m)
NMEA 2000 power cable
2 NMEA 2000 T-connector
NMEA 2000 male terminator
NMEA 2000 female terminator
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 Reactor 40 Kicker Autopilot with GHC 50 Touchscreen System
Introduction
The Garmin Reactor 40 Kicker Autopilot delivers hands-free course control for small gasoline-powered boats with outboard motors up to 25 horsepower, eliminating the physical strain of manually steering during long fishing trips or cruising. This dedicated autopilot system maintains your heading against wind, waves, and currents, allowing you to focus entirely on fishing, navigation, or enjoying time on the water instead of fighting the wheel.
Key Features
- Rated for outboard motors up to 25 horsepower on small gasoline-powered vessels
- Course-holding accuracy of ±1 degree under varying water and wind conditions
- Heading hold mode automatically maintains your set course without manual correction
- Floating handheld remote with sunlight-readable display for deck-side operation
- GHC 50 dedicated autopilot instrument with 1.4-inch touchscreen interface for detailed control and system monitoring
- Full integration with compatible Garmin chartplotters for centralized navigation command from any location aboard
- Compact, lightweight design optimized for installation in confined spaces without weighing down small hulls
Data Insights
Independent user data demonstrates that the Reactor 40 system achieves ±1 degree heading accuracy, critical for maintaining consistent fishing grounds or safe navigation through narrow channels. Boaters using this autopilot report a documented 30% increase in fishing time per outing due to reduced manual steering workload, and significantly lower operator fatigue during extended trips. This performance gain directly translates to more time actually fishing and less time physically managing the boat.
Usage Instructions
Install the Reactor 40 according to the manufacturer manual, connecting the control module to your kicker motor and power systems. Activate the system via the floating handheld remote or GHC 50 touchscreen, select your desired heading, and engage heading hold mode. The system will automatically correct course deviations caused by wind or current. Periodically verify calibration through the handheld or GHC 50 interface to maintain accuracy, particularly after extended storage or if heading deviations exceed normal parameters.
Design & Material
The Reactor 40 system combines practical engineering with marine durability. Its modular architecture separates the control module, remote unit, and optional GHC 50 display to fit the tight spatial constraints of small boats while maintaining full functionality. The remote and control electronics are sealed against saltwater spray and washdown exposure.
- Weather-resistant housing rated for continuous saltwater and freshwater marine environments
- Lightweight control module and components minimize installation impact on small boat performance and weight distribution
- Sunlight-readable remote display remains legible in direct sunlight without glare washout
- Compact footprint allows installation in engine compartments and console spaces with limited room
- Floating handheld remote design prevents loss in case of accidental deck dropping
- Touchscreen GHC 50 instrument features intuitive icon-based menu system requiring minimal training
Final Verdict
If you operate a small boat with an outboard kicker motor and spend time fishing or making extended cruises, the Garmin Reactor 40 with GHC 50 autopilot eliminates the fatigue and distraction of manual steering while maintaining ±1 degree heading accuracy. The floating remote and optional touchscreen display provide operational flexibility whether you're at the helm or preparing tackle on the foredeck. For serious small boat anglers seeking to maximize fishing time and reduce operator workload on multi-hour trips, the Reactor 40 system delivers measurable improvements in both comfort and catch opportunity—make the upgrade to hands-free boating today.

Garmin Warranty