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Raymarine M81121 Type 2 Hydraulic Reversing Pump 12V Autopilot Drive Unit

Manufacturer

Raymarine

<h3>A Century of Marine Electronics Innovation</h3> <p>Raymarine's heritage in marine innovation traces back to 1923, when the first commercial fathometer was developed, marking the beginning of a legacy that would transform navigation and safety on the water. The Raymarine brand was formed in 2001 through a management buyout of Raytheon's marine division, and has since become a trusted name among recreational boaters, fishing captains, and professional mariners worldwide. In 2010, the company was acquired by FLIR Systems, bringing advanced thermal imaging capabilities to their product lineup.</p> <p>What sets Raymarine apart is their commitment to pioneering technology that addresses real challenges on the water. The company created the first autopilot system for recreational boats in 1974 and developed the SeaTalk language for electronic devices to connect via a single cable in 1989, innovations that fundamentally changed how boaters interact with their vessels. Today, their <a href="/11286-raymarine-raymarine-electronics-200849">electronics</a> lineup includes cutting-edge multifunction displays, radar systems, and navigation tools engineered to withstand the harsh marine environment while delivering intuitive operation.</p> <h3>Professional-Grade Electronics for Every Mariner</h3> <p>The core of Raymarine's reputation lies in their comprehensive <a href="/11286-raymarine-raymarine-electronics-200849">marine electronics</a> offerings. Their full range includes chartplotters, fishfinders, radars, marine instruments, marine cameras, AIS units and VHF radios, all designed with the rugged demands of maritime use in mind. Their customers include offshore fishing captains, luxury cruising boat skippers, sailors and professional mariners, and they're the trusted navigation system supplier to the U.S. Coast Guard, a testament to the reliability and performance of their systems.</p> <p>Beyond primary navigation displays, Raymarine's <a href="/11286-raymarine-raymarine-transducers-accessories-200850">transducers and accessories</a> ensure seamless integration and enhanced functionality across their product ecosystem. From CHIRP sonar transducers that deliver exceptional underwater imaging to networking cables and mounting hardware, these components are engineered to work together flawlessly. The company adopted FLIR's philosophy of Commercial Developed Military Qualified (CDMQ) product development, delivering marine electronics renowned for their rugged design and reliability.</p> <h3>Innovation That Keeps Boaters Safe</h3> <p>Raymarine has continued to push the boundaries of what's possible in marine electronics, from trailblazing the use of compact radar systems for small vessels to introducing leading-edge sensors. Their commitment to safety and ease of use extends to every product category, whether you're outfitting a fishing boat, cruiser, or commercial vessel. Their products are engineered for the tough marine environment and renowned for ease-of-use, rugged design and reliability, ensuring that boaters can depend on their equipment when it matters most.</p> <p>With close to 100 years of technological innovation on the water, Raymarine has offices in 12 countries and partners with over 7,500 dealers and installers in 110 countries. This global presence ensures that support and expertise are available wherever your journeys take you, while their continuous investment in research and development keeps them at the forefront of marine technology evolution.</p>

Part Number

M81121
06/03/2036 10:20 AM
Sale Price

$1,133.88

In Stock (6)

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Usually delivered within 2 days

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Fitment guaranteed

Fitment guaranteed

Product Details

The Raymarine M81121 Type 2 Hydraulic Reversing Pump is a professional-grade autopilot drive unit designed for boats with hydraulic steering systems. This 12-volt pump interfaces directly with your vessel's steering system to provide precise autopilot control, working seamlessly with Raymarine Evolution autopilot systems and ACU-400 actuator control units.

Key Features:

  • Compatible with hydraulic steering systems equipped with 9.8-21 cubic inch (160-350cc) hydraulic steering rams
  • 12-volt DC operation with maximum stall pressure of 1450 PSI
  • Peak flow rate of 122 cubic inches minimum (no load)
  • Rugged reversing hydraulic pump design for reliable performance
  • Works with Raymarine 400 Series and S3 Series corepacks
  • Compatible with Raymarine SmartPilot and Evolution autopilot systems

This Type 2 pump is specifically matched to the ram capacity of mid-sized hydraulic steering systems, making it ideal for boats with cylinder rams mounted to the rudder on inboard engine boats or to the drive unit on outboard engine boats. To ensure proper compatibility, verify the size of your hydraulic cylinder ram(s) matches the 160-350cc (9.8-21 cubic inch) capacity range before ordering.

The M81121 delivers the precision steering control needed for extended cruising, offshore passages, and fishing trips, allowing you to maintain course while reducing fatigue on long runs.

Products specifications

Type

Hydraulic Pump

Drive Type

Hydraulic

Best Use

Powerboats

Connection Interface

SeaTalkngNMEA 2000

Maximum Boat Displacement

44000 Pounds

Warranty Details

Two Years

Great so far

great prices, good communication (rec'd email with fed ex tracking info), and quick delivery. thank you, i'll definitely be back!

Fast and easy, looking forward to installing them. Big Mopar head, huge Dakota fan, driver.

Had the right parts at a good price

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Not sure if this is exactly what I need.

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