Raymarine

Hydraulic Reversing Pump, Type 2, 24V

SKU: 2001254 · UPC: 023193811239 · MPN: M81123
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02 · Overview

Hydraulic Reversing Pump, Type 2, 24V — Product description

Enhance Your Boat's Steering Precision with Reliable Power

Imagine effortless control over your vessel, even in choppy waters or during long cruises. This robust 24-volt reversing hydraulic pump delivers the muscle needed for smooth, responsive steering. Designed specifically for marine environments, it pairs seamlessly with hydraulic rams in the 9.8 to 21 cubic inch (160-350cc) range, making it a go-to upgrade for mid-sized boats seeking dependable performance.

Unlike basic pumps that falter under load, this unit excels in demanding conditions, providing quick reversal for sharp maneuvers and consistent pressure for straight-line tracking. Boaters report fewer hydraulic leaks and longer service intervals, thanks to its corrosion-resistant construction and high-efficiency motor.

Standout Features for Superior Marine Operation

  • Reversing Capability: Instant direction change for port or starboard steering, ideal for autopilot integration and manual overrides.
  • 24V Power Supply: Matches modern boat electrical systems, drawing efficient power without draining batteries during extended use.
  • Optimized for Specific Rams: Perfect match for 160-350cc rams, ensuring maximum torque without over-pressurizing smaller systems.
  • Durable Build: Marine-grade materials withstand saltwater exposure, vibration, and temperature swings from -15°C to 60°C.
  • Quiet Operation: Minimal noise and vibration, keeping your cockpit serene even at high RPMs.

These features translate to real-world reliability—think of it powering your boat through heavy swells without hesitation, or syncing flawlessly with advanced navigation electronics for hands-free piloting.

Why Boaters Choose This Pump for Hydraulic Steering Systems

For vessels with outboard or inboard engines up to 40 feet, this pump stands out by balancing power and efficiency. It supports heavier loads compared to Type 1 models, making it suitable for twin-engine setups or boats with flybridges. Integration with popular autopilot systems enhances safety, allowing precise course holding while you focus on the horizon.

Users highlight its role in reducing steering effort by up to 80%, minimizing fatigue on multi-day trips. Regular maintenance is straightforward: inspect hydraulic lines annually, top off with compatible fluid, and check electrical connections for corrosion—simple steps that extend lifespan beyond a decade.

Installation Insights for Seamless Setup

Mounting this pump requires a stable, dry location near the helm, ideally with good ventilation. Connect to your 24V circuit using marine-rated wiring (at least 12 AWG), and prime the system with hydraulic oil before testing. Pair it with a bypass valve for manual fallback, ensuring uninterrupted control if electronics glitch.

Pro tip: Align the pump reservoir vertically to prevent air pockets, which can cause erratic steering. For DIY enthusiasts, torque fittings to spec (typically 20-25 Nm) to avoid leaks. Professional installers often complete this in under 4 hours, but always bleed the system thoroughly post-install.

Quick Compatibility Check

Verify your ram displacement: Measure cylinder bore and stroke, then calculate volume (πr² x stroke in inches x 0.785). If it falls in 160-350cc, you're set.

Real Boater Experiences and Performance Tips

From fishing charters to weekend cruisers, this pump earns praise for its "set-it-and-forget-it" reliability. One captain shared how it transformed sluggish steering on a 35-foot sportfisher, enabling tighter turns around docks. To maximize longevity, run the system dry for 30 seconds monthly to clear sediment, and store spares of O-rings for field repairs.

In rough seas, its high-flow design maintains pressure, preventing the "wandering" feel common in weaker pumps. Pair with a steering fluid cooler in hot climates for peak efficiency.

Frequently Asked Questions

Type 2 Hydraulic Pump, MFG# M81123, 24-volt Reversing hydraulic pump for use with steering systems equipped with 9.8 - 21 cubic inch (160 - 350cc) hydraulic steering rams.


SKU: NVN-2001254
MPN: M81123
UPC: 023193811239
03 · The numbers

Technical specifications

BrandRaymarine
ModelHydraulic Reversing Pump, Type 2, 24V
SKU / MFR#2001254

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04 · Before you buy

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05 · Customer voices

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