Tech Specs

In The Box
Reactor 40 CCU (Course Computer Unit)
ECU (Electronic Control Unit) power cable
Interconnect cable
Shadow Drive
Buzzer
NMEA 2000® drop cable (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)
ECU (Electronic Control Unit) power cable
Interconnect cable
Shadow Drive
Buzzer
NMEA 2000® drop cable (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 Hydraulic Corepack with SmartPump v2 Without GHC Autopilot Instrument (010-00705-78)
Your Perfect Co-Pilot for Seamless Navigation
Designed for powerboats, the Reactor 40 hydraulic corepack with SmartPump v2 is the ideal autopilot solution for your hydraulically steered system, offering effortless control and precision as you navigate the waters.
Key Features
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Perfect Companion for Hydraulically Steered Systems
The Reactor 40 corepack is a great choice for hydraulically steered boats, whether you have a powerboat or sailboat. It provides reliable and easy steering control with enhanced comfort. -
SmartPump v2 for Better Control
The SmartPump v2 is a compact, brushless pump that fits most hydraulically steered systems, giving you optimal control, higher reliability, and better thermal performance. Plus, it provides lower power consumption to improve your boating experience. -
Solid-State 9-Axis AHRS
With its advanced solid-state 9-axis Attitude Heading Reference System (AHRS), the Reactor 40 can be mounted almost anywhere on the boat. This system helps to minimize heading errors, reduce power consumption, and offers greater reliability across different sea conditions. -
Reacts to Sea Conditions
Whether you’re cruising through calm or turbulent waters, the Reactor 40 automatically adjusts to sea conditions, keeping your boat on course even if it’s pitching or rolling. -
Quick and Simple Calibration
Setting up the Reactor 40 is straightforward. Calibration is quick and easy, so you can spend more time on the water and less time configuring your system. -
Shadow Drive™ Technology
Shadow Drive technology ensures greater maneuverability by automatically disengaging the autopilot when you turn the wheel. This gives you more freedom while handling your boat. -
Wireless Remote Control
You can control the Reactor 40 autopilot from anywhere on your boat using compatible Garmin devices, including the Reactor autopilot remote, quatix® marine smartwatches, and other Garmin chartplotters (sold separately).
Optional GHC 50 Bundle
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GHC 50 Autopilot Instrument
The optional GHC 50 autopilot instrument can be paired with the Reactor 40 corepack to add a dedicated, touchscreen autopilot display to your helm. It also allows you to share data and settings with Garmin MFDs and other Garmin devices for a fully integrated navigation experience.
Powerboat and Sailing Features
When connected to your compatible Garmin chartplotter, the Reactor 40 corepack unlocks several powerboat and sailing features, including:
- Heading Hold
- Step Turns
- Wind Hold and Tack/Jibe (when paired with a wind sensor, sold separately)
- Follow Route and Auto Guidance+™ features for precision navigation.
The Garmin Reactor 40 Hydraulic Corepack with SmartPump v2 offers a streamlined, reliable autopilot solution that enhances the performance of your hydraulically steered boat. With features like solid-state 9-axis AHRS, Shadow Drive technology, and wireless remote capabilities, this corepack ensures a smooth, controlled experience on the water. Add the GHC 50 autopilot instrument for a more integrated, touchscreen navigation system for the ultimate autopilot experience. Whether you're cruising on a powerboat or sailing, the Reactor 40 is the co-pilot every captain needs.