Experience precise, capable steering for large sailboats with the Garmin Class B Drive Unit Linear Drive. Built for the GHP-12 corepack and up to 79,000 lbs of displacement, this hydraulic linear drive powers the GHP-12 Marine Autopilot System to deliver steady steering performance in demanding conditions.
Key features
-
Hydraulic linear drive for smooth, linear steering control that’s built to endure long voyages.
-
Designed for large sailboats up to 79,000 lbs displacement, ensuring reliable autopilot performance.
-
12" stroke length (303 mm) for ample travel and responsive steering.
-
High thrust up to 2380 lb (1080 kg) to power through gusts and chop.
-
Rugged construction with clear dimension specs for installation planning.
Technical specifications
-
Drive type: Hydraulic linear
-
Stroke length: 12" (303 mm)
-
Maximum thrust: 2380 lb (1080 kg)
-
Dimensions: Motor 8.8" × 3" × 3.5" (223 × 76 × 88 mm); Cylinder (centered) 32.7" × 4.1" × 6.3" (830 × 105 × 160 mm); Reservoir 7.9" × 6.1" × 3.3" (200 × 155 × 85 mm)
-
Supply voltage: 10V–30V
-
Clutch current at 12V: 1 A (avg)
-
Motor current at 12V: 3–4 A (avg)
-
Operating temperature: −15 °C to 60 °C (5 °F to 140 °F)
The Class B Drive Unit is built to endure marine environments while delivering precise feedback and control. Its hydraulic design translates subtle helm inputs into confident steering, giving captains and crew peace of mind as weather and sea conditions change. Compatible with the GHP-12 autopilot corepack, it integrates into existing steering systems for a seamless upgrade to hands-free navigation.
Upgrade your sailboat's autopilot system with Garmin's Class B Drive Unit Linear Drive and experience steady, reliable steering on every voyage.
