Tech Specs

In The Box
CCU 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
CCU 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 Reactor 40 Steer-by-wire Standard Corepack Without GHC Autopilot Instrument (010-00705-90)
Your Ultimate Co-Pilot for Sailboats and Powerboats
Designed for sailboats and powerboats, the Garmin Reactor 40 Steer-by-Wire Corepack offers you the extra hand you need to explore the waters with confidence. Whether you're navigating the open ocean or cruising in calm conditions, this autopilot keeps you on course, so you can focus on the adventure.
Key Features
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Compatibility with Steer-by-Wire Systems
The Reactor 40 corepack is engineered to integrate with SeaStar Optimus systems, Yanmar Marine ZT370 sterndrive electronic power steering systems, and ZF 2800 Pod drives. It's the perfect autopilot solution for boats with steer-by-wire systems, requiring a compatible Garmin chartplotter for operation. -
Solid-State 9-Axis AHRS
Featuring an advanced solid-state 9-axis AHRS, the Reactor 40 offers enhanced mounting flexibility, allowing you to install it almost anywhere on your boat. This system improves heading accuracy, reduces power consumption, and ensures stable navigation, no matter the conditions. -
Reacts to Water Conditions
The Reactor 40 autopilot responds dynamically to changing sea conditions. It adjusts automatically to keep you on course, even when you're pitching, rolling, or facing challenging waves. This gives you the confidence to stay on track in all water conditions. -
Simple Calibration
Calibration is quick and simple, so you can spend less time setting up and more time enjoying the open water. With the Reactor 40, getting on course is easier than ever. -
Wireless Remote Control
Take full control of your autopilot from anywhere on your boat using compatible Garmin devices, including the Reactor autopilot remote, quatix® marine smartwatches, and more. (Requires a compatible Garmin chartplotter or GHC 50 autopilot instrument.) -
Optional GHC 50 Bundle
Enhance your autopilot experience by adding the GHC 50 autopilot instrument. This optional bundle provides a dedicated touchscreen display for easy control of your autopilot, as well as the ability to share data and settings with Garmin MFDs and other Garmin devices on your boat. -
Powerboat and Sailing Features
When connected to your compatible Garmin chartplotter, the Reactor 40 corepack offers essential powerboat and sailing features, such as heading hold, step turns, wind hold, and tack/jibe modes (when paired with a wind sensor, sold separately). You'll also have access to additional features like Follow Route and Auto Guidance+™ for enhanced navigation.
The Garmin Reactor 40 Steer-by-Wire Standard Corepack is the perfect solution for boats equipped with steer-by-wire systems. With its solid-state 9-axis AHRS, easy calibration, and seamless integration with a range of systems, it provides a smooth and reliable autopilot experience. Pair it with the GHC 50 autopilot instrument for additional control and functionality. Whether you’re out for a leisurely sail or a powerboat adventure, the Reactor 40 ensures that you stay on course with minimal effort, giving you more time to enjoy the water.