SKU: 1494445407

Garmin Reactor™ 40 Steer-By-Wire Corepack f-Viking® VIPER™w-GHC™ 50 Autopilot Instrument

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Description

Garmin Reactor™ 40 Steer-By-Wire Corepack f-Viking® VIPER™w-GHC™ 50 Autopilot InstrumentReactor 40 Steer By Wire Corepack for Viking VIPER with GHC 50 Autopilot Instrument Every Captain Needs a Co Pilot. Designed for Viking yachts with a Viking VIPER steering system, this Reactor 40 autopilot steer by wire corepack gives you the extra hand you need, so you can explore paradise worry free. Features: You have a yacht with a Viking VIPER system; this Reactor 40 corepack is the perfect companion. Yes, it features a solid state 9 axis AHRS.

Reactor™ 40 Steer-By-Wire Corepack for Viking® VIPER™ with GHC™ 50 Autopilot Instrument

Every Captain Needs a Co-Pilot. Designed for Viking yachts with a Viking VIPER steering system, this Reactor 40 autopilot steer-by-wire corepack gives you the extra hand you need, so you can explore paradise worry-free. 

Features:

  • You have a yacht with a Viking VIPER system; this Reactor 40 corepack is the perfect companion.
  • Yes, it features a solid-state 9-axis AHRS. And yes, that means you can mount it nearly anywhere.
  • Even when you’re pitching or rolling, this autopilot reacts to sea conditions to keep you on course.
  • You just want to get on the water, so we made calibration fast and easy. That’s the power of simplicity.
  • Combine with your compatible Garmin chartplotter, and control your autopilot — from anywhere on your boat.
  • Want more? The optional GHC™ 50 autopilot instrument enhances your autopilot experience.

COREPACK COMPATIBILITY

This corepack works with Viking yachts that have a Viking VIPER steering system. It requires a compatible Garmin chartplotter or GHC 50 autopilot instrument. This corepack works with yachts that have a Yamaha Helm Master system, and it requires a compatible Garmin chartplotter

SOLID-STATE 9-AXIS AHRS

With its advanced solid-state 9-axis AHRS, you can mount Reactor 40 nearly anywhere, in any orientation. It even reduces power consumption, minimizes heading error, and more.

REACTS TO WATER CONDITIONS

Hold your course on the sea — this autopilot reacts to conditions, so you can remain confident even when you’re pitching or rolling.

SIMPLE CALIBRATION

All autopilots require commissioning and calibration. Reactor 40 makes it quick and easy.

WIRELESS REMOTE CAPABILITIES

Control your autopilot from anywhere on your boat by using your compatible Garmin devices, including the Reactor autopilot remote, select quatix® marine smartwatches, and more (requires a compatible Garmin chartplotter or GHC 50 autopilot instrument).

OPTIONAL GHC 50 BUNDLE

Combine the Reactor 40 hydraulic autopilot with the GHC 50 autopilot instrument to add a dedicated touchscreen autopilot display to your helm. Plus, GHC 50 allows you to share data and settings with Garmin MFDs and other installed Garmin devices.

POWERBOAT AND SAILING FEATURES

When connected to your compatible Garmin chartplotter, all Reactor 40 corepacks offer powerboat and sailing features, including heading hold and step turns — plus wind hold and tack/jibe when paired with a wind sensor (sold separately). You can even gain additional benefits such as the following route and Auto Guidance+™ features1.

CCU Specifications:

  • Dimensions: 3 19/32" diameter (91.4 mm)
  • Weight: 5.6 oz (159 g)
  • 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)

Buzzer/Alarm Specifications:

  • Dimensions (L × Diameter): 29/32" × 1" (23 mm × 25 mm)
  • Weight: 2.4 oz (68 g)
  • Temperature range: from 5°F to 131°F (from -15°C to 55°C)
  • Cable length: 10 ft (3.0 m)

What's in the Box?

  • Reactor 40 CCU (Course Computer Unit)
  • GHC™ 50 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

1 Auto Guidance is for planning purposes only and does not replace safe navigation operations.


Product : GARMIN REACTOR 40 STEER BY WIRE VIKING VIPER W/ GHC 20
Manufacturer : Garmin
Manufacturer Part No : 010-02794-05
Product : GARMIN REACTOR 40 STEER BY WIRE VIKING VIPER W/ GHC 20
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 1494445407

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SM
Carnegie, US
★★★★★ 5
Great for Zimaboard 2 NAS setup
Nicely built and easy to install. Love how adjustable it is. Mounted simply under my desk.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
O
Verified Purchase
Oliver JM
Los Angeles, US
★★★★★ 5
Sturdy - Easily Adjustable - Works as Advertised
I modified it to fit a small subwoofer under my desk. I flipped the arms, inverted them and screwed it on to the desk. Not the intended use, but it solved my issue perfectly. It's really sturdy, it'll be perfect for mini PC's.
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Reviewed in the United States on February 13, 2026
K
Verified Purchase
Kaleb
Battle Creek, US
★★★★★ 5
Perfect for mounting subs!
Love it. Mounted my subwoofer under desk with it.
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Reviewed in the United States on May 22, 2026
A
Verified Purchase
Amazon Customer
Pawtucket, US
★★★★★ 5
Flexibility and clean desk space!!!
Bought three of these for my home office. Two for Synology NAS drives and one for a Mac Studio. The size ranges make this the perfect product to get everything off my desk. A little difficult to install with the desk upright so I suggest turning it on its side or over completely. In my case, I have these in sit stand desks which is great.
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Reviewed in the United States on December 24, 2025
W
Verified Purchase
William Lech
Pawtucket, US
★★★★★ 4
Decent bracket, Non-beveled screw holes cause complications
The screws that secure the mount to the underside of the desk stick out enough to cause the inner dimensions to change. I had to use the next hole down to increase the size of the bracket to accommodate my device, resulting in a less secure mount than desired. If the holes were beveled so that the screws fit more flush with the mount I'd be able to give it 5 stars. But the inner dimensions are not entirely as advertised due to the screws. Quality is up to standard otherwise, installation is relatively straightforward, price point is fine for a bracket of this size.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 18, 2025

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