Garmin GHP Reactor 40 Mechanical/Retrofit/Solenoid Autopilot Corepack

The Most Responsive Garmin Autopilot Yet

Engineered for precision, power and ease of use, the Garmin GHP Reactor 40 Corepack delivers exceptional autopilot performance for sailboats and powerboats with mechanical, retrofit, or solenoid steering systems. With solid-state 9-axis AHRS, advanced motion sensing, and seamless Garmin chartplotter integration, this system offers effortless course holding—even in the roughest seas.

🧭 Key Features:

• 9-Axis Solid-State AHRS: Mount the unit anywhere, in any orientation—minimises heading error, course deviation, and rudder movement for a smooth, comfortable ride.

• Mechanical/Retrofit/Solenoid Compatibility: Works with a wide variety of steering systems including hydraulic, cable-driven, mechanical and solenoid setups.

• Minimal Commissioning & Calibration: Fast setup lets you spend more time on the water.

• Full Garmin Chartplotter Integration: Control from anywhere on your boat. Add Auto Guidance¹ with BlueChart® g2 Vision® charts (sold separately).

• Wind Hold & Tack/Jibe Modes: Includes sailing features by default—no need to upgrade.

• Step Turns & Heading Hold: Built-in powerboat functionality for hands-free control.

🛠️ What’s in the Box:

• Garmin Reactor 40 CCU (Course Computer Unit)

• ECU (Electronic Control Unit)

• ECU Power Cable

• Interconnect Cable

• Buzzer

• NMEA 2000® Drop Cables (2m)

• NMEA 2000® T-Connectors

• Male and Female Terminators

• Setup Documentation

⚓ Optional Upgrades:

• Shadow Drive™ (For Hydraulic Installations): Take manual control instantly by turning the helm.

• GRF 10 Rudder Feedback Sensor: Further enhances control precision.

• Linear Drive Units (Sold Separately):

  • Class A: Up to 28,500 lbs

  • Class B Compact: Up to 48,400 lbs

  • Class B: Up to 79,000 lbs

📦 Ideal For:

• Bluewater cruising and offshore sailing

• Powerboats with retrofit steering systems

• Marine electronics upgrades with full NMEA 2000® integration