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Navigating open waters demands precision and reliability, especially when your autopilot needs to handle mechanical steering setups like wire, cable, or chain drives. The PUMPLA17-12 stands out as a robust 12V Type 2 linear drive unit, integrating seamlessly with hydraulic systems to deliver smooth, responsive steering. Built for mid-sized vessels, this actuator combines a compact drive unit, a durable steering cylinder, and high-quality interconnecting hoses covered in stainless steel braid for corrosion resistance in harsh marine environments.
Whether you're upgrading from an older system or outfitting a new boat, this unit excels in delivering consistent performance under load. Its balanced cylinder design minimizes wear, while the powerful hydraulic action ensures quick response times without excessive power draw—ideal for extended voyages where battery life matters.
In real-world scenarios, from coastal cruising to offshore passages, the PUMPLA17-12 shines by reducing helm feedback and maintaining tight tracking in choppy seas. Boat owners appreciate its ability to interface effortlessly with existing mechanical steering, eliminating the guesswork in retrofits. The balanced cylinder prevents uneven pressure buildup, extending service life and cutting down on maintenance hassles.
Compared to lighter drives, this Type 2 equivalent handles heavier loads without straining, while its quick hard-over time keeps you agile during maneuvers. For vessels with tiller or quadrant setups, the precise torque delivery means less autopilot correction and more enjoyable time on the water.
Suited for sailboats, powerboats, and trawlers in the 30-50 foot range, where displacement demands a step up from entry-level actuators. Think seaworthy designs pushing through swells without compromising course stability.
Installing the PUMPLA17-12 involves mounting the drive unit in a dry, accessible spot, typically amidships, and connecting the cylinder to your tiller arm or rudder post. Use the included hoses for a leak-free hydraulic circuit—always bleed air from the system post-install to avoid spongy steering. Pair it with compatible autopilot pumps for optimal flow, and monitor fluid levels regularly using marine-grade hydraulic oil.
Pro tip: Align the cylinder parallel to the rudder arc for maximum efficiency, and secure all fittings against vibration. Most installations wrap up in a weekend, restoring autopilot confidence faster than you might expect.
Longevity comes from basics—inspect hoses annually for abrasion, top off hydraulic fluid as needed, and test thrust during haul-outs. The stainless braiding shrugs off salt spray, but rinsing with fresh water after saltwater exposure preserves seals. Avoid over-pressurizing; the built-in relief keeps things safe.
This Type 2 linear drive excels on mid-sized boats up to 48,500 lbs (22,000 kg) displacement, including sailboats, power yachts, and trawlers with mechanical steering systems.
The PUMPLA17-12 draws 4-8 amps average on 12VDC, ideal for standard boat batteries, while the 24V model sips 3-5 amps for larger systems with alternators—both deliver identical thrust and stroke.
It generates up to 10,450 in. lbs. (1181 Nm) at ±35 degrees with a 10.5-inch rudder shaft distance, ensuring strong control in heavy seas.
Yes, it aligns with Type 2 equivalents from brands like Raymarine and works well with systems like Simrad's HLD2000L, interfacing via standard hydraulic pumps.
Approximately 14.7 seconds, balancing speed with power for responsive yet controlled steering adjustments.
Regular fluid checks, hose inspections for wear, and annual bleeding ensure peak performance; the balanced design reduces internal stress for low upkeep.
Absolutely—it's engineered for mechanical setups including wire, cable, and chain drives, mounting directly to tillers or quadrants.
The Accusteer PUMPLA17-12 Linear Actuator is designed to interface an autopilot system with mechanical steering systems such as wire, cable or chain drives. This linear actuator consists of a hydraulic drive unit, steering cylinder, and interconnecting hoses.This unit is also available as the PUMPLA11-12 using a 1.5" x 9" RAM.
PUMPLA17 Specifications:
Ships within 48 hours · Estimated delivery Jul 1 - Jul 6
US$40
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