Simrad NAC-1 Outboard Pilot, Point-1
The cheaper NAC-1 outboard kit for single-outboard boats up to about 30 ft.
Amazon $1,274.99$1,274.99
HydraulicTo 30 ftYes
3.2/5
Garmin’s full hydraulic kit for inboards, outboards and sterndrives, with touchscreen control.
- HydraulicSteering
- YesDrive in pack
- YesNMEA 2000
Check price at Amazon$4,399.99
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Shadow Drive steering override stops the autopilot when you grab the wheel
- SmartPump v2 handles cylinders from about 4 to 24 cu in
- GHC 50 touchscreen included
Cons
- Dealer price here is the highest in the ranking
- Garmin’s own page did not load, so some figures come from dealer listings
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 | Hydraulic | 3.1/5 | $1,799.99 |
| Garmin Reactor 40 Hydraulic Corepack, GHC 50 (this one) | 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 | 010-02794-01 |
|---|---|
| Capability | |
| Steering type | Hydraulic |
| Hydraulic cylinder range | 65 to 393 cc |
| Pack type | Complete pack |
| In the pack | |
| Contents | Reactor 40 course computer, SmartPump v2, GHC 50 autopilot instrument, NMEA 2000 cables and terminators |
| 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
Simrad NAC-1 Outboard Pilot Pack
A DIY-friendly hydraulic autopilot for a single outboard boat up to about 30 ft.
Amazon $1,869.99$1,869.99
HydraulicTo 30 ftYes
Raymarine EV-150 Power Pilot Pack
A step-up hydraulic kit for small to medium powerboats with a single engine.
Amazon $1,672.91$1,672.91
HydraulicYes
Compare
Compare the Garmin Reactor 40 Hydraulic Corepack, GHC 50 with any other marine autopilot →
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