Garmin Steering Actuator for Reactor 40 Kicker Autopilots

The Garmin Steering Actuator (part 010-12826-00) is the mechanical linear actuator that gives a Garmin Reactor 40 Kicker Autopilot system precise steering control of a kicker outboard motor. Mounts through the tilt tube of the kicker outboard, driven directly by the autopilot computer to deliver the steering corrections needed to maintain heading or follow a route automatically. IPX7 water-rated for full marine exposure. The right component for trolling boats that run a kicker outboard for slow-speed propulsion and want true autopilot capability for hands-free trolling.

What this actuator does and where it fits in the system. A complete Reactor 40 Kicker Autopilot install consists of three primary components. The Reactor 40 autopilot computer (the brains of the system) processes navigation data and decides what steering inputs to make. The Steering Actuator (this product) is the mechanical drive that physically turns the kicker outboard in response to the computer's commands. Plus the various sensors (heading sensor, GPS source, optional rudder feedback) that give the autopilot the data it needs to make correct decisions. Without the actuator, the autopilot can think but it can't steer. Without the autopilot, the actuator can move but it doesn't know where to go. The two work together as one system.

Why a kicker autopilot matters for trolling. Many serious trolling boats run a primary outboard for getting to the fishing grounds and a smaller kicker outboard (typically 9.9 to 25 horsepower) for the actual trolling. The kicker provides the slow, controlled propulsion that trolling needs without burning the fuel of the primary motor at high RPM. Without an autopilot, you have to steer the kicker by hand for the entire trolling session, which means hours of standing at the kicker tiller instead of fishing. With a Reactor 40 Kicker Autopilot, you set a heading or follow a recorded route, and the system handles steering automatically while you fish.

The mechanical linear actuator design is the right approach for kicker steering. Older kicker autopilot solutions used either string-and-pulley arrangements (which slipped and required constant adjustment) or hydraulic systems (which needed the kicker outboard to have hydraulic steering capability built in, which most kickers don't). The mechanical linear actuator extends and retracts a steel rod that mounts through the kicker's tilt tube and connects directly to the kicker's steering arm. Direct mechanical drive: the actuator extends, the kicker turns one way. the actuator retracts, the kicker turns the other way. Reliable, repeatable, no slip, no hydraulic complexity.

Tilt tube mount is the standard install location for kicker steering accessories. Most kicker outboards have a tilt tube (a horizontal hollow tube at the front of the engine that the steering linkage rod passes through). The Garmin Steering Actuator mounts through this same tilt tube, replacing or supplementing whatever steering linkage was there. The motor side extends 4 inches (10.3 cm) from the end of the tilt tube. The motor housing is 2.5 inches (6.2 cm) in diameter. Overall length is 17.5 inches closed, 25.3 inches extended (44.5 cm closed, 64.4 cm extended).

The 7.8-inch travel range (extended length minus closed length) is sized for the typical kicker steering range. From hard-port to hard-starboard, the actuator delivers full kicker steering travel. The autopilot uses the full travel range to make heading corrections, with most actual steering happening near the center of the travel range as the autopilot makes small corrections to maintain heading.

IPX7 water rating means the actuator handles direct rain, splash, washdown, and brief immersion without damage. Important because the actuator lives at the kicker's tilt tube, which is at the bottom of the engine where it's exposed to spray and occasional submersion when the boat is at rest in choppy water. The IPX7 rating means the actuator survives this exposure for years without seal failures or internal corrosion.

Operating temperature range minus 20 to plus 70 degrees Celsius covers any practical marine operating condition from cold-climate winter use through tropical summer engine room conditions. Full operation across the entire range, with no derating in cold or hot weather. For the typical trolling-boat use profile (mostly moderate temperatures during fishing season), the actuator never sees the limits of its operating range.

Compatibility. The Steering Actuator works specifically with the Garmin Reactor 40 Kicker Autopilot system, part of the Reactor 40 family that Garmin makes for various marine autopilot applications. The Steering Actuator pairs with a Reactor 40 corepack and the kicker-specific control electronics. Don't try to use this actuator with non-Reactor autopilots from other vendors. the connector and control protocol are Garmin-specific. For Reactor 40 Kicker autopilot users, the actuator is the standard supported steering drive.

Installation considerations. The actuator mounts through the kicker's tilt tube and connects to the kicker's steering arm. Most installs require some adjustment to position the actuator correctly relative to the kicker's neutral steering position. Detailed install instructions are in the manual. For owners not comfortable with kicker mechanical work, most marine dealers can handle the install. Plan a half-day for a typical install including wiring the actuator to the autopilot computer and verifying steering range and direction are correct.

Wiring. The actuator connects to the Reactor 40 autopilot computer via the included wiring harness. Power and command signals come from the autopilot computer. the actuator doesn't need separate battery wiring. Run the harness from the kicker mount location forward to wherever the Reactor 40 computer is mounted (typically near the helm or in a sealed equipment locker). Detailed wiring diagrams are in the install manual.

What this isn't. It is not a complete autopilot system (you need the Reactor 40 corepack, sensors, and control unit separately). It is not a hydraulic actuator (this is mechanical linear). It is not for primary outboards (the Steering Actuator is sized for kicker outboards in the 9.9 to 25 HP class. for primary-outboard autopilot steering, look at Garmin's hydraulic and electric steering pump options). It is not compatible with non-Garmin autopilot systems.

2-Year Limited Garmin warranty. Same-day shipping before 3 PM ET on in-stock units.