A step-up hydraulic kit for small to medium powerboats with a single engine.
Amazon $1,672.91
The cheapest complete Garmin autopilot, built for small single-outboard hydraulic boats.
- HydraulicSteering
- To 25 ftBoat size
- YesDrive in pack
- YesNMEA 2000
Price checked November 7, 2026. As an Amazon Associate we earn from qualifying purchases.
- Aimed at single-engine outboard boats under 25 ft, at under $1,800
- Touchscreen GHC 50 included
- Controllable from a compatible Garmin chartplotter
- Maker limits it to boats under 25 ft
- Maker page was not readable for pump size and current draw
The Garmin Reactor 40 family
Every Garmin Reactor 40 model we rank, smallest first. Ratings compare each against its own steering type.
| Model | Steering | Rating | Price |
|---|---|---|---|
| Garmin Compact Reactor 40 Hydraulic, GHC 50 (this one) | Hydraulic | 3.1/5 | $1,799.99 |
| Garmin Reactor 40 Hydraulic Corepack, GHC 50 | Hydraulic | 3.2/5 | $4,399.99 |
| Garmin Reactor 40 Mechanical Corepack, GHC 50 | Mechanical | 3.2/5 | $2,249.99 |
| Garmin Reactor 40 Steer-by-Wire, GHC 50 | Steer-by-wire | 3.1/5 | $2,799.99 |
| Garmin Reactor 40 Yamaha Helm Master, GHC 50 | Steer-by-wire | 3.0/5 | $3,449.99 |
| Garmin Reactor 40 Kicker Autopilot, GHC 50 | Kicker motor | 3.3/5 | $2,999.99 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its steering type. How we rank explains each one.
Specifications
| Model number | 010-02794-07 |
|---|---|
| Capability | |
| Steering type | Hydraulic |
| Boat size | To 25 ft |
| Pack type | Complete pack |
| In the pack | |
| Contents | Compact Reactor 40 hydraulic autopilot with GHC 50 instrument |
| Control head | GHC 50 touchscreen |
| Control head included | Yes |
| Drive or pump included | Yes |
| Heading sensor | Solid-state 9-axis AHRS |
| Electrical | |
| Supply voltage | 12 V |
| NMEA 2000 / SeaTalk ng | Yes |
| Support | |
| Warranty | 1 year |
| Released | 2022-06 |
Alternatives in this steering type
A complete hydraulic autopilot for outboard and sterndrive boats up to about 35 ft.
Amazon $2,899.99A complete autopilot for a small boat with a single hydraulically steered outboard.
Amazon $1,408.69Compare
Compare the Garmin Compact Reactor 40 Hydraulic, GHC 50 with any other marine autopilot →
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