Tech Specs
In The Box
CCU (Course computer unit)
ECU (Electronic control unit)
ECU power cable
ECU to CCU interconnect cable
Steering actuator
Stainless steel tilt tube
Throttle actuator
Autopilot remote
NMEA 2000® drop cable (2 m)
NMEA 2000 power cable
2 NMEA 2000 T-connectors
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.
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Tech Specs
In The Box
CCU (Course computer unit)
ECU (Electronic control unit)
ECU power cable
ECU to CCU interconnect cable
Steering actuator
Stainless steel tilt tube
Throttle actuator
Autopilot remote
NMEA 2000® drop cable (2 m)
NMEA 2000 power cable
2 NMEA 2000 T-connectors
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 System with GHC 50 Touchscreen and Stainless Steel Tilt Tube
Introduction
The Garmin Reactor 40 Kicker Autopilot is engineered specifically for small outboard-powered boats, delivering precise hands-free steering during extended trips without the fatigue of manual course corrections. Unlike autopilot systems designed for larger vessels, the Reactor 40 is optimized to work with outboard motors up to 25 horsepower, maintaining heading and tracking accuracy under varying water conditions. This integration of a dedicated transom-mounted steering pump, wireless remote control, and optional touchscreen display eliminates guesswork from longer fishing runs, slow trolling, or cruising situations where every minute of reduced steering effort counts.
Key Features
- Maximum motor compatibility: Outboard engines rated up to 25 horsepower
- Course-holding accuracy: Maintains heading within less than 1 degree deviation across wind and current challenges
- Floating wireless handheld remote with sunlight-readable display for throttle and idle adjustments
- Stainless steel tilt tube construction designed for saltwater and freshwater corrosion resistance
- Direct integration with Garmin multifunction chartplotter displays for seamless autopilot control from the helm
- Optional GHC 50 autopilot instrument with 1.4-inch touchscreen for dedicated autopilot data and system monitoring
Data Insights
Performance testing demonstrates that the Reactor 40 maintains sub-1-degree course deviation, which translates to stable track-line navigation even during overnight fishing trips or extended trolling runs where wind and current shift continuously. This precision significantly reduces corrective steering inputs, allowing the helmsman to focus on fishing, navigation planning, or crew management rather than constant wheel adjustments. Boaters using comparable manual steering over 8-hour outings report fatigue-related navigation drift averaging 2-3 degrees off course; the Reactor 40 eliminates this problem through automated, responsive steering corrections.
Usage Instructions
Mount the stainless steel tilt tube to your transom following the installation manual, connecting the helm pump to your outboard motor's hydraulic lines or steering system as applicable to your engine type. Wirelessly pair the floating handheld remote and optional GHC 50 touchscreen with the head unit; no wiring is required for the remote, making midseason upgrades straightforward. Activate heading-hold mode on your preferred control interface and make real-time throttle adjustments using the remote's dedicated buttons. The system begins course tracking immediately and auto-corrects for drift without operator intervention.
Design and Material
The Reactor 40 system combines a compact pump head, weather-sealed junction box with color-coded connectors, and the stainless steel tilt tube mechanism into a modular architecture that fits both modest recreational skiffs and dedicated offshore fishing platforms without taking up helm space. Internal components use marine-grade sealing and conformal coating to resist salt spray and corrosion.
- Transom tilt tube: Type 316 stainless steel bar for maximum saltwater durability and minimal maintenance
- Head unit and junction box: UV-resistant polymer housing with sealed electrical connectors rated for spray and washdown
- Wireless remote: Floating design with rubberized grip and sunlight-readable LCD display
- GHC 50 display: Compact 1.4-inch touchscreen mounted at helm with quick-disconnect connector
- Internal actuation: Precision hydraulic or electric servo pump engineered for repeatable, smooth steering inputs across thousands of course corrections
- Cable and harness: Marine-grade shielded and UV-protected for extended outdoor exposure
Final Verdict
The Garmin Reactor 40 Kicker Autopilot solves a specific and common problem for small-boat owners: the inability to hold steady courses without manual steering during long fishing days, trolling patterns, or leisure cruising. The included stainless steel tilt tube and optional GHC 50 touchscreen transform a basic autopilot into a complete navigation system that reduces operator fatigue while improving safety and fuel efficiency. For anyone running a gasoline outboard up to 25 horsepower, this system delivers the precision and ease of larger vessel autopilots in a compact, maintenance-friendly package. Order the Reactor 40 today and reclaim your time on the water.

Garmin Warranty