The Garmin Class B Compact v2 Drive Unit is a compact, integrated hydraulic drive designed to power sailboat steering with precision and reliability. It integrates with Garmin Reactor 40 Mechanical/Retrofit/Solenoid Corepack to translate helm input into smooth, responsive steering for boats up to 48,400 lbs displacement.
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Drive unit type: integrated hydraulic linear
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Dimensions: 31.9 x 4.6" x 8.9" (810 x 120 x 225 mm)
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Stroke length: 10" (254 mm)
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Maximum thrust: 1,610 lbs (730 kg)
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Supply voltage: 10V to 30 V (regulated to 12V by the ECU)
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Average clutch current at 12V: 1 Amp
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Average motor current at 12V: 2-4 Amps
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Operating temperature: -15° C to 50° C
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Displacement compatibility: Boats up to 48,400 lbs displacement
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Corepack compatibility: Integrates with Garmin Reactor 40 Mechanical/Retrofit/Solenoid Corepack
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Rugged marine design: Built for harsh marine environments with robust hydraulic actuation
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Compact helm footprint: Narrow profile that fits typical helm configurations while delivering strong steering performance
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Installation flexibility: Designed for retrofit or new installations requiring dependable autopilot steering
This drive unit translates helm input into precise steering, delivering smooth, reliable autopilot performance. Its compact footprint reduces helm clutter without sacrificing steering power, and its rugged construction stands up to salt, spray, and vibration. With Reactor 40 Corepack integration, it supports both retrofit projects and new installations, enabling dependable autopilot control on boats up to 48,400 lbs displacement. The unit operates over a wide voltage range (10–30V, regulated to 12V by the ECU) and provides clear electrical specifications to help you plan installation and maintenance.
| Dimensions (WxHxD, centered) |
31.9 x 4.6" x 8.9" (810 x 120 x 225 mm) |
| Drive unit type |
integrated hydraulic linear |
| Stroke length |
10" (254 mm) |
| Maximum thrust |
1,610 lbs (730 kg) |
| Supply voltage |
10V to 30 V (regulated to 12V by the ECU) |
| Average clutch current at 12V |
1 Amp |
| Average motor current at 12V |
2-4 Amps |
| Operating temperature |
-15° C to 50° C |