Simrad PUMP-5 MKII Pump 24v Review: Reliable or Not?

Introduction

Boaters and marine engineers know the importance of having a high-performing, reliable hydraulic pump at the heart of their autopilot systems. The Simrad PUMP-5 MKII pump 24v Reversible Hydraulic Pump 17.7 – 58.5cui for Boats & Marine Engines is a powerful and precise addition for any mid-to-large vessel equipped with Simrad autopilot systems. With advanced engineering, enhanced performance, and superior durability, this reversible hydraulic pump delivers seamless steering control and optimal responsiveness at sea.

Whether you’re navigating offshore or maneuvering in narrow marinas, choosing the right autopilot drive component makes all the difference. The Simrad PUMP-5 MKII pump fits effortlessly into hydraulic steering systems and covers a broad cylinder displacement range from 17.7 to 58.5 cubic inches, making it ideal for a variety of boats and marine applications.

Overview / What Is Simrad PUMP-5 MKII Pump

The Simrad PUMP-5 MKII pump 24v is a reversible hydraulic pump built specifically for autopilot drive systems. It’s designed to work with vessels that have hydraulic steering cylinders within the displacement range of 17.7 to 58.5 cubic inches. By reversing hydraulic flow, the pump can steer a boat left or right based on autopilot commands.

This model is an evolution of Simrad’s previous generation of pumps, offering higher efficiency, quieter operation, and improved reliability. It’s compatible with Simrad NAC-series autopilot computers and seamlessly integrates with the brand’s marine electronics lineup.

Key Features of the Simrad PUMP-5 MKII Pump

• Voltage: 24V DC – Ideal for vessels with 24v systems
• Reversible hydraulic operation for bidirectional control
• Displacement Range: 17.7 – 58.5 cubic inches
• Supports Simrad autopilot systems (including NAC-2 & NAC-3)
• Corrosion-resistant materials suited for harsh marine environments
• Quiet operation with low vibration profile

This pump is built to perform reliably in long-distance cruising, fishing, or commercial marine use. Its construction ensures consistent oil flow, preventing steering dead zones or delayed responses.

Compatibility With Autopilot Systems

One of the most asked questions when buying a hydraulic autopilot pump is whether it will fit seamlessly into your existing system. The Simrad PUMP-5 MKII pump 24v is made to work harmoniously with all major Simrad autopilot control units, especially the NAC-3. This integration is vital for achieving accurate course correction, automated steering, and adaptive navigation through different sea conditions.

Its robust compatibility and plug-and-play nature ensure that even mid-sized commercial vessels, leisure yachts, or sport fishing boats can achieve a complete autopilot solution without unnecessary complexity or custom adaptation.

Maintenance Tips

Proper maintenance of your Simrad PUMP-5 MKII pump 24v ensures longevity, safety, and peak operational performance. Here are several key maintenance tips:

1. Regular Inspection: Check for any oil leaks, loose fittings, or signs of wear every 6 months.
2. Hydraulic Fluid Replacement: Replace or top up hydraulic fluid every boating season to avoid contamination and viscosity issues.
3. Secure Mounting: Make sure the pump is securely mounted to minimize vibration and movement that could damage seals.
4. Flush System Annually: Periodically flush the hydraulic lines and cylinder to remove any debris or old fluid.
5. Software Check: Ensure the autopilot system’s firmware is updated for seamless operation with the pump.

Installation Best Practices

If you’re wondering how to install Simrad PUMP-5 MKII pump, it’s best to follow Simrad’s official instructions or hire a certified technician. However, here are a few general steps:

• Mount the pump on a secure, vibration-isolated base
• Connect the hydraulic lines to the pump’s reversible ports
• Wire the power cables securely to a 24v DC source with proper fusing
• Integrate the pump control to the Simrad autopilot controller (e.g., NAC-3)

Proper bleeding of the hydraulic system is crucial. Make sure there’s no air trapped within the system to avoid jerky or delayed steering response.

Simrad PUMP-5 MKII Pump Cost and Durability

The Simrad PUMP-5 MKII pump 24v offers excellent value for its class. While it might carry a higher upfront cost compared to generic alternatives, its unmatched reliability and seamless compatibility with Simrad systems reduce long-term maintenance and integration costs. Built with marine-grade materials, it withstands corrosion, saltwater exposure, and extreme operational cycles.

This makes it ideal not only for recreational boaters but also for commercial operators who demand precision and consistency under extended use conditions. Compared to other options on the market, it offers a durable, high-efficiency solution that justifies its price.

Expert Advice and Pro Recommendations

Marine electronics experts often stress that investing in a high-quality autopilot pump is key to stress-free boating. The Simrad PUMP-5 MKII 24v Reversible Hydraulic Pump 17.7 – 58.5cui is highly recommended for vessels in the mid-to-heavy displacement range. It’s especially suited for bluewater cruising where reliability matters most.

Pro tip: When installing the pump, use high-quality marine-grade hydraulic oil and stainless-steel fittings to prevent corrosion and maximize the lifespan of the unit. And don’t forget to use code WELCOME5 for 5% off your order!

Detailed FAQ Section

How do I know if Simrad PUMP-5 MKII is compatible with my steering system?

The Simrad PUMP-5 MKII pump 24v is compatible with steering cylinders that have a displacement between 17.7 and 58.5 cubic inches. You can check the model of your steering ram or cylinder—this is usually labeled on the component or documented in your vessel’s specs. This pump is particularly suited for mid-size to large boats that use hydraulic steering systems. It works best with Simrad autopilot computers like the NAC-2 or NAC-3.

Can I install the Simrad PUMP-5 MKII pump myself?

Yes, technically skilled boaters can install the Simrad PUMP-5 MKII themselves, but it’s generally recommended to have the installation performed by a certified marine technician. This ensures the pump is mounted securely, hydraulics are properly bled, and electronic controls are calibrated. Mistakes in wiring or hydraulic connections can result in poor steering performance or even system damage.

What are common Simrad PUMP-5 MKII troubleshooting tips?

If the Simrad PUMP-5 MKII pump stops working or behaves erratically, check the following:

• Ensure power is reaching the unit (check voltage and fuses)
• Inspect hydraulic fluid levels and check for air bubbles
• Listen for unusual noise, which may indicate a blocked line
• Ensure the autopilot controller is functioning and firmware is updated

For persistent problems, consult Simrad technical support or a professional marine service provider.

How long does the Simrad PUMP-5 MKII last?

With proper maintenance, the Simrad PUMP-5 MKII pump can last for many years—often the entire lifespan of the boat. Routine checks, annual oil replacements, and using the pump within its rated capacity will maximize its durability. It is built with long-lasting, corrosion-resistant components and is engineered for demanding marine conditions.

Where can I buy the Simrad PUMP-5 MKII at a good price?

The best place to purchase the Simrad PUMP-5 MKII pump 24v is through certified marine retailers like allboatsupplies.com. You’ll find competitive pricing, verified warranty support, and seasonal discount codes like WELCOME5 for 5% off. Trusted sources ensure you get genuine equipment and proper after-sales service.

Conclusion

The Simrad PUMP-5 MKII pump 24v Reversible Hydraulic Pump 17.7 – 58.5cui is a top-tier solution for boaters seeking precision, control, and durability. It integrates seamlessly with Simrad systems, handles a wide range of hydraulic cylinders, and stands the test of time in marine environments. Whether you’re outfitting a new autopilot system or upgrading an old one, this pump delivers performance you can rely on.

For seasoned sailors and casual cruisers alike, investing in the right autopilot drive means fewer worries on the water—and the Simrad PUMP-5 MKII does just that.

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