Garmin GHP Reactor 40 Mechanical Autopilot
Shipping at checkout · Manufacturer warranty per product documentation
Installment options may be available at checkout through Shop Pay.
- Shipping
- Warranty
- Returns
Garmin GHP Reactor 40 Mechanical Autopilot
Garmin's Reactor 40 for mechanical steering. Cable and rack-and-pinion systems. Same full GPSMAP touchscreen integration as the hydraulic version — for vessels without hydraulic steering.
The Garmin GHP Reactor 40 Mechanical Autopilot is part of the Garmin GHP Reactor 40 lineup, built for demanding marine environments. Mechanical drive for cable steering and rack-and-pinion helm systems. Full GPSMAP touchscreen control via NMEA 2000 — same as hydraulic version.
Ideal For
Ideal for recreational and commercial vessel owners who need dependable marine equipment with clear specifications and manufacturer-backed support.
At a Glance
- Warranty: 2 Years
Complete Specifications
- Warranty: 2 Years
- Chartplotter Control: Yes — full GPSMAP touchscreen
- Drive Type: Mechanical (cable/rack-and-pinion)
- Gybe Assist: Yes
- Heading Sensor: Built-in 9-axis MEMS
- NMEA 2000: Yes — full chartplotter integration
- Shadow Drive: Yes
- Tack Assist: Yes
- Vessel Size: 20–40ft with mechanical steering
Shipping and tax are shown at checkout. Manufacturer warranty terms are included with the product. Contact us with vessel details before ordering.
Customer reviews will appear here when available.
Difficulty: Intermediate
Estimated time: 1-6 hours
Professional installation: Recommended for most marine deployments.
Best Practices
- Verify mounting clearance before installation.
- Use marine-grade wiring and connectors.
- Follow manufacturer networking and power specifications.
- Perform full system testing before vessel deployment.
Not sure this is the right fit? We will help you spec it.