Tech Specs

In The Box
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
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 Starter Pack Starter Pack (GHC sold separately) (010-00705-06)
Every Captain Needs a Co-Pilot
The Garmin Compact Reactor 40 Hydraulic Autopilot Starter Pack is the perfect autopilot solution for boats under 25 feet. Designed for single-engine outboard boats, this entry-level system offers an extra set of hands to help you steer with confidence, especially at moderate to high speeds. With solid-state 9-axis AHRS, the Reactor 40 is versatile, responsive, and a great companion for your hydraulically steered system.
Key Features
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Corepack Compatibility
This Reactor 40 corepack is ideal for single-engine outboard boats less than 25 feet long. It offers much-needed relief from manually holding the wheel, allowing for easy course maintenance, even at cruising speeds. -
Solid-State 9-Axis AHRS
The solid-state 9-axis Attitude Heading Reference System (AHRS) helps reduce power consumption and minimize heading error. It’s flexible in terms of installation, allowing you to mount it almost anywhere, regardless of orientation. -
Reacts to Water Conditions
The Reactor 40 automatically reacts to sea conditions, keeping your boat on course even when you're facing pitching or rolling waters, ensuring smooth and stable navigation. -
Simple Calibration and Installation
We’ve simplified the calibration process to make it quick and easy, so you can get on the water faster. The Reactor 40 is designed for easy installation, with flexible mounting options. -
Wireless Remote Capabilities
You can control the autopilot from anywhere on your boat using compatible Garmin devices, including the Reactor autopilot remote and select quatix® marine smartwatches. It requires a compatible Garmin chartplotter or GHC 50 autopilot instrument. -
Shadow Drive™ Technology
Shadow Drive™ technology provides freedom when maneuvering. It disengages the autopilot automatically when you turn the wheel, allowing you to take full control during quick maneuvers.
Optional GHC 50 Bundle
The GHC 50 autopilot instrument adds a dedicated touchscreen autopilot display to your helm. It allows for data sharing and settings synchronization with your compatible Garmin multifunction display (MFD) and other installed Garmin devices, enhancing the overall autopilot experience.
Powerboat and Sailing Features
- Heading Hold and Step Turns – These core features are available when connected to a compatible Garmin chartplotter.
- Wind Hold and Tack/Jibe – When paired with a wind sensor (sold separately), wind hold and tack/jibe are available, making this autopilot great for sailboats as well.
- Follow Route and Auto Guidance+™ – Gain additional benefits like Auto Guidance+™ when paired with BlueChart® g3 Vision charts (sold separately), and let your autopilot follow your route or steer you along GPS paths.
The Garmin Compact Reactor 40 Hydraulic Autopilot Starter Pack offers a simple, affordable, and efficient autopilot solution for boats under 25 feet. It features an advanced 9-axis AHRS, reacts to sea conditions, and is easy to install and calibrate. With wireless remote capabilities, Shadow Drive™ technology, and optional integration with Garmin chartplotters, the Reactor 40 offers an enhanced experience for powerboats and sailboats alike. Upgrade your boating experience with the GHC 50 autopilot instrument and enjoy the seamless control and navigation provided by Garmin.