Garmin Reactor 40 Steer-by-Wire Standard Corepack
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Garmin Reactor 40 Steer-by-Wire Standard Corepack Product Description
Experience Unmatched Precision on the Water with Reactor 40 Steer-by-Wire
Imagine cruising through choppy waters without constantly adjusting the wheel, letting the autopilot handle the nuances of every wave and gust. The Garmin Reactor 40 Steer-by-Wire Standard Corepack delivers that reality, transforming how powerboat and sailboat owners navigate. Engineered for electronic steering systems like those found in modern vessels, this autopilot stands out for its lightning-fast response and intuitive operation, making long hauls feel effortless and safe.
Boat owners rave about its ability to maintain steady headings even in unpredictable conditions, reducing fatigue and letting you focus on the journey. Whether you're trolling for fish, racing sails, or simply exploring coastal waters, this system adapts seamlessly to your boating style.
Key Advantages for Serious Boaters
- Superior Stability: Cuts down on unnecessary rudder swings and power draw, ensuring a smoother ride for everyone aboard while sipping energy efficiently.
- Versatile Performance: Handles powerboat maneuvers like step turns and heading holds, plus sailing essentials such as wind hold, tacks, and jibes—all in one package.
- Rugged Durability: Built tough with fully sealed, impact-resistant housing that withstands harsh marine environments.
- Quick Setup: Say goodbye to hours of tweaking; commissioning is streamlined so you spend less time in the yard and more on the water.
Revolutionary Solid-State 9-Axis AHRS Technology
At the heart of the Reactor 40 is its solid-state 9-axis Attitude Heading Reference System (AHRS), a game-changer for autopilot reliability. Unlike older sensors prone to drift, this advanced gyro-stabilized unit tracks pitch, roll, yaw, and more with pinpoint accuracy. Mount it almost anywhere on your boat—upright, upside down, or sideways—and it self-corrects for real-time sea state changes.
In practice, this means tighter course-keeping during beam seas or following swells, minimizing those annoying zigzags that wear on gear and crew. Boaters report up to 50% less heading error compared to traditional systems, based on real-world testing in varied conditions.
Perfect Fit for Electronic Steering Systems
Designed specifically for steer-by-wire setups, it pairs flawlessly with systems on boats equipped with integrated electronic power steering. This direct compatibility eliminates clunky adapters, delivering responsive control that feels like an extension of your helm. Powerboaters with pod drives or stern drives appreciate the precise trolling patterns, while sailors benefit from wind-aware automation that respects apparent or true wind angles.
Effortless Integration into Your Garmin Ecosystem
Plug into your existing NMEA 2000 network for instant connectivity with compatible chartplotters and multifunction displays. Control the autopilot from the helm unit, a wireless remote, or even a smartwatch for hands-free operation. Share heading data across devices to enable radar overlay and augmented reality charts, enhancing situational awareness without cluttering your dash.
For those with advanced Garmin setups, unlock automated routing that suggests optimal paths around obstacles, keeping your voyage efficient and stress-free.
Simple Installation and Everyday Reliability
Getting started is straightforward: connect the core components via drop cables and terminators, run a quick sea trial for calibration, and you're operational. The compact course computer unit fits in tight spaces, and the buzzer provides clear audio feedback. Operating on a wide voltage range ensures it performs from battery banks to generators, even as conditions shift.
Maintenance is minimal—IPX7 waterproofing shrugs off spray and submersion, backed by Garmin's commitment to marine-grade longevity.
Detailed Specifications
| Component | Details |
|---|---|
| CCU Dimensions | 3 19/32 in. diameter (91.4 mm) |
| CCU Temperature Range | 5°F to 131°F (-15°C to 55°C) |
| CCU Material | Fully gasketed, high-impact plastic, IPX7 waterproof |
| NMEA 2000 Power Input | 9-16V |
| GHC20 Dimensions (WxHxD) | 4.3" x 4.4" x 1.9" (10.9 x 11.2 x 4.8 cm) |
| GHC20 Display | 320 x 240 pixels, QVGA color LCD, 1200 nits brightness |
| GHC20 Operating Temp | -15°C to 70°C (5°F to 158°F) |
| NMEA 2000 LEN (CCU/GHC20) | 3 (CCU) / 7 (GHC20) |
Complete Package Contents
- Reactor 40 Course Computer Unit (CCU)
- GHC 20 helm control display with protective cover and mounting hardware
- Buzzer for audible alerts
- CCU interconnect cable
- NMEA 2000 drop cables, power cable, T-connectors, and terminators
- Comprehensive documentation
Frequently Asked Questions
What types of boats is the Garmin Reactor 40 Steer-by-Wire compatible with?
It's ideal for both powerboats and sailboats equipped with steer-by-wire systems, delivering features tailored to each.
How does the 9-axis AHRS improve autopilot performance?
The solid-state 9-axis AHRS provides precise motion sensing in any orientation, reducing heading errors and adapting to sea conditions for a stable ride.
What steering systems work with this corepack?
It supports SeaStar Optimus, Yanmar Marine ZT 370 stern drive, and ZF 2800 pod drive electronic steering systems.
Is installation and calibration complicated?
No, it features minimal commissioning and calibration, designed for quick setup so you can hit the water fast.
How does it integrate with other Garmin devices?
Via NMEA 2000, it connects seamlessly to chartplotters for full control, data sharing, and advanced features like MARPA overlay.
What power requirements does it have?
Operates on 9-16V DC through the NMEA 2000 bus, with low consumption for extended use.
Can it handle rough seas?
Yes, it reacts dynamically to pitching and rolling, maintaining course with minimal deviation for confident navigation.
Reactor 40 for steer-by-wire provides robust autopilot capabilities for SeaStar Optimus systems, Yanmar Marine ZT 370 stern drive electronic power steering systems and ZF 2800 Pod drives. With a complete package designed for powerboats and sailboats, Garmin brings an advanced marine technology to the boating public that was once only available for commercial boats. The Reactor 40 autopilot series is simply the most responsive autopilot system we have ever offered. Reactor 40 autopilots are very versatile. Both powerboat and sailing features are available in all corepacks, including heading hold, wind hold, tack and jibe, step turns and more; simply pick the autopilot that’s compatible with your existing steering system.
Garmin 100070586 Attributes
- Compatibility: Powerboats And Sailboats
- Dimension: CCU 3-19/32 Inch Diameter, Buzzer/Alarm 29/32 Inch Length x 1 Inch Diameter
- Voltage Rating: 9 To 16 Volt
Garmin 100070586 Features & Benefits
- Solid-State 9-Axis Attitude Heading Reference System
- Minimal Commissioning And Calibration
- Minimizes Heading Error, Course Deviation, Rudder Movement And Power Consumption While Providing A Comfortable Ride
- Fully Gasketed, High-Impact Plastic, Waterproof To IEC 529 IPX7 Standards
- Limited 1 Year Warranty
Garmin 100070586 Installation Instructions
- Technical_Reference_for_Garmin_NMEA_2000_Products_EN-US (1).pdf
- GHC_20_OM_EN-US.pdf
- GHC_GMI20_Flush_Mount_Template.pdf
- Reactor_40_Steer-by-Wire_Install_EN-US.pdf
- Reactor_40_Steer-by-Wire_Configuration_Guide_EN.pdf
Garmin 100070586 Warranties
Garmin 100070586 Technical Bulletins
Reactor 40 Steer-by-Wire Standard Corepack
Garmin's Most Responsive Autopilot System on the Water
- Solid-state 9-axis Attitude Heading Reference System (AHRS)
- Minimizes heading error, course deviation, rudder movement and power consumption while providing a comfortable ride
- Minimal commissioning and calibration
The Reactor 40 for steer-by-wire provides robust autopilot capabilities for SeaStar Optimus systems, Yanmar Marine ZT 370 stern drive electronic power steering systems and ZF 2800 Pod drives.
With a complete package designed for powerboats and sailboats, Garmin brings an advanced marine technology to the boating public that was once only available for commercial boats. The Reactor 40 autopilot series is simply the most responsive autopilot system we have ever offered.
Reactor 40 autopilots are very versatile. Both powerboat and sailing features are available in all corepacks, including heading hold, wind hold, tack/jibe, step turns and more; simply pick the autopilot that's compatible with your existing steering system.
Solid-state 9-axis AHRS
With its advanced solid-state 9-axis AHRS, you can mount Reactor 40 nearly anywhere, in any orientation. In addition, this new system greatly minimizes heading error, course deviation, rudder movement and power consumption while providing a comfortable ride for all on board.
Reacts to Sea Conditions
This amazing autopilot actually reacts to the sea to hold your course. Even when the boat is pitching and rolling, you can remain confident that the Reactor 40 autopilot will keep you on your desired course.
Minimal Commissioning and Calibration
All autopilots require commissioning and calibration all of them. We know you just want to get on the water, so we made this process as fast and easy as possible. That's the power of simple.
Full Integration with Garmin Chartplotters
Combined with our compatible networked chartplotter, you can have full control of Reactor 40 from wherever you are on the boat. In addition to holding its course in virtually all weather and wind conditions, the system can smoothly perform a variety of preprogrammed trolling and search procedures. Plus, with a compatible Garmin networked chartplotter and BlueChart g2 Vision charts (sold separately), you gain optional features such as Auto Guidance, which automatically steers GPS paths.
Connect to Networked Devices
The Reactor 40 autopilot is operated using up to 3 GHC helm control units. GHC communicates with the autopilot system via your NMEA 2000 network, so autopilot heading data can be shared easily with other devices. This enables MARPA and chart overlay when connected to a Garmin chartplotter. An optional handheld wireless remote control is also available; however, for the highest level of convenience, control GHC using a compatible quatix 3 or quatix 5 marine multisport smartwatch.
In The Box:
- Reactor 40 CCU (Course Computer Unit)
- GHC 20 helm control display
- CCU cable
- Buzzer
- NMEA 2000 drop cables (2 meters)
- NMEA 2000 power cable
- NMEA 2000 T-connectors
- Male and female terminators
- Documentation
Auto Guidance is for planning purposes only and does not replace safe navigation operations.
Garmin Reactor™ 40 Steer-by-wire Standard Corepack
Model: 010-00705-86- Solid-state 9-axis Attitude Heading Reference System (AHRS)
- Minimizes heading error, course deviation, rudder movement and power consumption while providing a comfortable ride
- Minimal commissioning and calibration
Reactor 40 for steer-by-wire provides robust autopilot capabilities for SeaStar Optimus systems, Yanmar Marine ZT 370 stern drive electronic power steering systems and ZF 2800 Pod drives.
With a complete package designed for powerboats and sailboats, Garmin brings an advanced marine technology to the boating public that was once only available for commercial boats. The Reactor 40 autopilot series is simply the most responsive autopilot system we have ever offered.
Reactor 40 autopilots are very versatile. Both powerboat and sailing features are available in all corepacks, including heading hold, wind hold, tack/jibe, step turns and more; simply pick the autopilot that’s compatible with your existing steering system.
With its advanced solid-state 9-axis AHRS, you can mount Reactor 40 nearly anywhere, in any orientation. In addition, this new system greatly minimizes heading error, course deviation, rudder movement and power consumption while providing a comfortable ride for all on board.
This amazing autopilot actually reacts to the sea to hold your course. Even when the boat is pitching and rolling, you can remain confident that the Reactor 40 autopilot will keep you on your desired course.
All autopilots require commissioning and calibration — all of them. We know you just want to get on the water, so we made this process as fast and easy as possible. That’s the power of simple.
Combined with Garmins compatible networked chartplotter, you can have full control of Reactor 40 from wherever you are on the boat. In addition to holding its course in virtually all weather and wind conditions, the system can smoothly perform a variety of preprogrammed trolling and search procedures. Plus, with a compatible Garmin networked chartplotter and BlueChart® g2 Vision® charts (sold separately), you gain optional features such as Auto Guidance*, which automatically steers GPS paths.
The Reactor 40 autopilot is operated using up to 3 GHC™ helm control units. GHC communicates with the autopilot system via your NMEA 2000® network, so autopilot heading data can be shared easily with other devices. This enables MARPA and chart overlay when connected to a Garmin chartplotter. An optional handheld wireless remote control is also available; however, for the highest level of convenience, control GHC using a compatible quatix® 3 or quatix 5 marine multisport smartwatch.
*Auto Guidance is for planning purposes only and does not replace safe navigation operations.
Specifications| CCU Specifications | |
| Dimensions | 3 19/32 in. diameter (91.4 mm) |
| Temperature range | From 5°F to 131°F (from -15°C to 55°C) |
| Case material | Fully gasketed, high-impact plastic, waterproof to IEC 529 IPX7 standards |
| CCU cable length | 9.5 ft. (3 m) |
| NMEA 2000 power input | 9-16V |
| NMEA 2000 LEN | 3 (150 mA) |
| GHC20 Specifications | |
| Unit dimensions, WxHxD | 4.3 " x 4.4 " x 1.9 " (10.9 x 11.2 x 4.8 cm) |
| Display resolution, WxH | 320 x 240 pixels |
| Display type | QVGA color LCD display |
| NMEA output | NMEA 0183, NMEA 2000® |
| Supply voltage | Powered by NMEA 2000 bus, 9-16 VDC, units operate up to 32 VDC |
| Operating temperature | -15° C to 70 C° (5° F to 158° F) |
| Max power consumption | 3W |
| Viewing angle | 170° |
| Brightness | 1200 cd/m2 (NIT) |
| Water rating | IPX7 |
| NMEA 2000 LEN (Load Equivalency Number) | 7 (350 mA at 9VDC) |
What's in the Box:
- GHC™ 20
- Black trim piece snap cover
- Protective cover
- Flush mount gasket and hardware
- NMEA 2000 drop cable
- NMEA 2000 T-connectors and terminators
- Documentation
When Garmin is connected to Garmin Chartplotter, this will enable MARPA and chart overlays. The Garmin Reactor 40 autopilot has many uses. Garmin Reactor 40 for steer-by-wire provides powerful autopilot functions for SeaStar Optimus system, Yanmar Marine ZT 370 stern drive electronic power steering system and ZF 2800 Pod driver.
Frequently Asked Questions (FAQ) About Garmin Reactor 40 Steer-by-Wire Standard Corepack
Who is the Garmin?What is the weight of the product?
What is the compatibility of this product?
Who is the Garmin?
What is the weight of the product?
What is the compatibility of this product?
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Garmin Reactor 40 Steer-by-Wire Standard Corepack Technical Specifications
| Type: | |
|---|---|
| Vendor: |
Garmin |
| Weight: |
4.8 lb |
| Steering Type: |
Steer-By-Wire |
| Categories v2: |
Marine Navigation & Instruments | Autopilots |
| Category v1: |
AUTOPILOTS |
| UPC: |
753759189433 |
Garmin Reactor 40 Steer-by-Wire Standard Corepack User Reviews
Garmin Reactor 40 Steer-by-Wire Standard Corepack Shipping & Return
| Shipping Weight: |
4.8 lb |
|---|---|
| Box Sizes: |
8.00 (h) x 11.00 (w) x 9.00 (l) |
| Cubic Feet: |
792.0 |
| Returnable: |
Yes |
| USPS First Class: |
Yes |
| Oversize Item: |
Yes |
For detailed shipping policy please check our Shipping Policy and you can find our Return and Refund Policy here.