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Reactor 40 Marine Autopilots

All Marine Autopilots

5 Reactor 40 marine autopilots. Most cost $1,800 to $6,599, and half cost less than $2,250.

All filtersFilters (2)×
Drive in the box: Not included  ×Model line: Reactor 40  ×Clear all
BrandGarmin5
SteeringSteer-by-wire2Mechanical1
Drive in the boxNot included5Included3
Control headIncluded4Not included1
Model lineReactor 405
Price$2,000 & above4$2,500 & above2$4,000 & above1
Clear allShow 5 Marine Autopilots
Drive in the box: Not included  ×Model line: Reactor 40  ×5 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
Garmin

Mechanical, Not included, Included, Reactor 40

+Includes the GHC 50 control unit
+Mechanical steering for cable-steered boats
+Retrofit option for existing mechanical steering
−Drive unit is not included
$2,244.36
as of 11/03/2026 23:08 PST - Details
Garmin

Steer-by-wire, Not included, Included, Reactor 40

+Includes the GHC 50 control unit
+Steer-by-wire steering for Volvo Penta systems
+Part of the Reactor 40 autopilot line
−Drive unit is not included
$6,599.99
as of 11/03/2026 23:08 PST - Details
Garmin

Not included, Included, Reactor 40

+Part of the Garmin Reactor 40 autopilot line
+Includes the GHC50 control for operating the autopilot
−Steering drive is not included with this package
$2,249.99
as of 11/03/2026 23:08 PST - Details
Garmin

Not included, Not included, Reactor 40

+Part of the Garmin Reactor 40 autopilot line
+Reactor 40 is designed to work with a compatible control head
−Steering drive is not included with this package
−Control head is not included with this package
$1,799.99
as of 11/03/2026 23:08 PST - Details
Garmin

Steer-by-wire, Not included, Included, Reactor 40

+Includes the GHC 50 control unit
+Steer-by-wire steering for Yamaha Helm Master systems
+Part of the Reactor 40 autopilot line
−Drive unit is not included
$3,441.36
as of 11/03/2026 23:08 PST - Details

Compare specs

marine autopilotSteeringControl headModel lineSpec scorePrice
MechanicalIncludedReactor 40n/a$2,244.36
as of 11/03/2026 23:08 PST - Details
Steer-by-wireIncludedReactor 40n/a$6,599.99
as of 11/03/2026 23:08 PST - Details
IncludedReactor 40n/a$2,249.99
as of 11/03/2026 23:08 PST - Details
Not includedReactor 40n/a$1,799.99
as of 11/03/2026 23:08 PST - Details
Steer-by-wireIncludedReactor 40n/a$3,441.36
as of 11/03/2026 23:08 PST - Details

Before you buy

Other Model line options

Binoculars228Network Cables1,382Cameras2,556PC Cases264Chromebooks196CPU Coolers393Processors247Desktops1,531Docking Stations1,252Drive Enclosures455Fitness Trackers297Gaming Consoles405

Popular filters

Marine Autopilots with a Control Head28Marine Autopilots for Sailboats21Marine Autopilots with a Drive Unit18Marine Autopilots without a Drive Unit15EV-100 Marine Autopilots15Marine Autopilots for Hydraulic Steering12Marine Autopilots for Powerboats11Steer-by-Wire Marine Autopilots9

Related product types

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Spec scores, pros and cons, and prices are explained in the How it works section of the About page.