{"product_id":"garmin-class-b-drive-unit-for-ghp-12-autopilot-hydraulic-linear","title":"Garmin Class B Drive Unit for GHP 12 Autopilot - Hydraulic Linear","description":"\u003ch1\u003eGarmin Class B Drive Unit for GHP 12 Autopilot - Hydraulic Linear\u003c\/h1\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003e\n  The Garmin Class B Drive Unit is a high-capacity hydraulic linear drive designed to work seamlessly with the Reactor 40 Mechanical, Retrofit, and Solenoid Corepacks, giving your sailboat's autopilot system the muscle it needs for precise, reliable steering control. Built for larger sailboats, this unit handles vessels with up to 79,000 lbs of displacement, making it one of the most capable drive units in Garmin's GHP lineup.\n\u003c\/p\u003e\n\u003cp\u003e\n  Engineered with a robust hydraulic linear mechanism and a maximum thrust of 2,380 lbs, this drive unit delivers confident, consistent performance even in demanding offshore conditions. Whether you're passage-making across open water or racing in heavy seas, the Class B Drive Unit keeps your heading locked in with minimal fuss and maximum reliability.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive Unit Type:\u003c\/strong\u003e Hydraulic linear - designed for larger sailboat steering systems requiring high thrust output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Thrust - 2,380 lbs (1,080 kg):\u003c\/strong\u003e Delivers the force needed to handle heavy-displacement sailboats up to 79,000 lbs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStroke Length - 12\" (303 mm):\u003c\/strong\u003e Provides sufficient travel for effective rudder control across a range of steering setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range - 10V to 30V:\u003c\/strong\u003e Compatible with both 12V and 24V electrical systems for flexible installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReactor 40 Compatible:\u003c\/strong\u003e Works with the GHP Reactor Mechanical, Retrofit, and Solenoid Corepacks for a complete autopilot solution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Power Draw:\u003c\/strong\u003e Average clutch current of only 1 Amp and motor current of 3-4 Amps at 12V - easy on your boat's electrical system.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Motor Dimensions - 8.8\" x 3\" x 3.5\":\u003c\/strong\u003e Designed to fit in tight engine room or below-deck spaces without compromising performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature - -15 deg C to 60 deg C (5 deg F to 140 deg F):\u003c\/strong\u003e Reliable operation in cold northern passages or hot tropical climates.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Reservoir:\u003c\/strong\u003e Self-contained hydraulic reservoir (7.9\" x 6.1\" x 3.3\") keeps the system tidy and maintenance-friendly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eShipping\u003c\/h2\u003e\n\u003cp\u003eShips free! Please email us at service@omahasportsandgames.com for a delivery ETA or to confirm shipping details.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eClass B Hydraulic Linear Drive Unit (motor, cylinder, and reservoir)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy You'll Love It\u003c\/h2\u003e\n\u003cp\u003e\n  Garmin has built a reputation for producing autopilot systems that serious sailors trust on bluewater passages and coastal cruising alike, and the Class B Drive Unit is a cornerstone of that reliability. Designed specifically for larger displacement sailboats, this unit gives you the confidence that your autopilot can handle whatever conditions the ocean throws at it. The hydraulic linear design ensures smooth, consistent rudder response - no jerky corrections, just steady, precise heading control.\n\u003c\/p\u003e\n\u003cp\u003e\n  Installation is straightforward for experienced marine technicians, and compatibility with the full Reactor 40 Corepack lineup means you're investing in a system that integrates cleanly with Garmin's broader marine electronics ecosystem. For bluewater sailors and performance cruisers who demand dependable autopilot performance on large sailboats, the Garmin Class B Drive Unit is a proven, purpose-built solution.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cdiv class=\"custom-product-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eProduct Specifications\u003c\/strong\u003e\u003c\/summary\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e010-11573-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrive Unit Type\u003c\/th\u003e\n\u003ctd\u003eHydraulic linear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStroke Length\u003c\/th\u003e\n\u003ctd\u003e12\" (303 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Thrust\u003c\/th\u003e\n\u003ctd\u003e2,380 lb (1,080 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor Dimensions (WxHxD)\u003c\/th\u003e\n\u003ctd\u003e8.8\" x 3\" x 3.5\" (223 x 76 x 88 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCylinder Dimensions (centered, WxHxD)\u003c\/th\u003e\n\u003ctd\u003e32.7\" x 4.1\" x 6.3\" (830 x 105 x 160 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReservoir Dimensions (WxHxD)\u003c\/th\u003e\n\u003ctd\u003e7.9\" x 6.1\" x 3.3\" (200 x 155 x 85 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupply Voltage\u003c\/th\u003e\n\u003ctd\u003e10V to 30V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAverage Clutch Current at 12V\u003c\/th\u003e\n\u003ctd\u003e1 Amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAverage Motor Current at 12V\u003c\/th\u003e\n\u003ctd\u003e3-4 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003e-15 deg C to 60 deg C (5 deg F to 140 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Corepacks\u003c\/th\u003e\n\u003ctd\u003eGHP Reactor Mechanical\/Retrofit\/Solenoid Corepack; Reactor 40 Mechanical\/Retrofit\/Solenoid Corepack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Vessel Displacement\u003c\/th\u003e\n\u003ctd\u003e79,000 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cdiv class=\"custom-product-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich Garmin corepacks is this drive unit compatible with?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eThe Class B Drive Unit is compatible with the GHP Reactor Mechanical\/Retrofit\/Solenoid Corepack and the Reactor 40 Mechanical\/Retrofit\/Solenoid Corepack. It is not a standalone autopilot - it works as the mechanical actuator paired with those Garmin corepacks.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat size sailboat is the Class B Drive Unit designed for?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eThis drive unit is designed for larger sailboats with up to 79,000 lbs of displacement. If your vessel is smaller or lighter, Garmin offers other drive units in their GHP lineup that may be better suited to your boat.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this drive unit compatible with 24V electrical systems?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eYes. The Class B Drive Unit supports a supply voltage range of 10V to 30V, making it fully compatible with both 12V and 24V marine electrical systems.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes this unit require professional installation?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eWhile technically capable DIYers can install this unit, professional installation by a certified marine electronics technician is strongly recommended. Hydraulic autopilot drive units involve integration with your boat's steering system, hydraulic lines, and electrical system, and improper installation can affect safety at sea.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the Class B Drive Unit include the corepack or chartplotter?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eNo. This listing is for the Class B Drive Unit only. The Reactor 40 Corepack and any compatible Garmin chartplotter or autopilot controller are sold separately. Please contact us at service@omahasportsandgames.com if you need help building out a complete Garmin autopilot system.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Garmin","offers":[{"title":"Default Title","offer_id":54635441488177,"sku":"010-11573-00","price":3599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1724\/7681\/files\/cf-lg_61a8884e-e1e5-481b-9ba7-ebb05c84aa8c.jpg?v=1781620744","url":"https:\/\/omahasportsandgames.com\/products\/garmin-class-b-drive-unit-for-ghp-12-autopilot-hydraulic-linear","provider":"Omaha Sports \u0026 Games","version":"1.0","type":"link"}