Garmin Actuator Steering. Specifications for Garmin Steering Actuator: Manufacturer: Garmin Color: Black Features of Garmin Steering Actuator Dimensions: Motor side: Extends 4 (10.3 cm) from end of tilt tube. Motor: 2.5 (6.2 cm) diameter. Overall length: Closed 17.5 (44.5 cm); Extended 25.3 (64.4 cm). Operating temperature range: -20 to 70 C Water rating: IPX7 Compatible Devices:Reactor 40 Kicker Autopilot Package Contents: Garmin Steering Actuator Garmin 010-12826-00: Actuator Steering