Raymarine Type 1 Pump 12V Product Description
Raymarine M81120 Type 1 Hydraulic Autopilot Pump - 12V Marine Steering System Drive Unit
Transform your boat's traditional hydraulic steering into a precision autopilot system with the Raymarine M81120 Type 1 Hydraulic Pump. This professional-grade reversing hydraulic pump integrates seamlessly with Evolution autopilot systems to deliver reliable hands-free navigation for vessels equipped with 4.9-14 cubic inch hydraulic steering cylinders.
Engineered for the demanding marine environment, this ABYC-compliant autopilot drive unit provides the power and precision needed to maintain course in challenging conditions while reducing crew fatigue during long passages.
Professional Marine Autopilot Performance
-
High-Pressure Operation: Delivers maximum 750 PSI stall pressure at 12V for positive steering control in all sea conditions
-
Optimal Flow Rate: 67 cubic inches per minute peak flow rate ensures responsive steering performance
-
Versatile Compatibility: Works with S1/S1G and S2/S2G corepacks for flexible system configurations
-
Wide Cylinder Range: Supports hydraulic steering rams from 4.9 to 14 cubic inches (80cc-230cc)
-
Floor Mount Design: Robust mounting system withstands marine vibration and movement
Technical Specifications & Compatibility
Electrical Requirements
- Voltage: 12V DC marine electrical system
- Power Consumption: 24 watts typical operation
- Installation: Floor mount configuration
Hydraulic Performance
- Maximum Pressure: 750 PSI (50 bar) at 12V
- Peak Flow Rate: 67 in³/min (1000cc/min) no load
- Cylinder Capacity: 4.9-14 cubic inches (80cc-230cc)
System Compatibility
- Compatible ACU Units: Requires ACU-150 or ACU-200
- Corepack Options: S1/S1G (4.9-10.5 in³) or S2/S2G (4.9-14 in³)
- Steering Configuration: Traditional hydraulic steering systems
Marine Installation & Integration
The Type 1 hydraulic drive connects directly to your boat's existing hydraulic steering lines, allowing the Evolution autopilot to control steering by managing hydraulic fluid flow. This seamless integration maintains your manual steering capability while adding advanced autopilot functionality.
Professional Installation Considerations
- ABYC E-22 compliant installation ensures safety and performance standards
- EMC installation guidelines prevent interference with navigation electronics
- Hydraulic system bleeding required for optimal performance
- Compatible with two-line, three-line, and pressurized hydraulic systems
Ideal Marine Applications
-
Cruising Yachts: Long-distance passages with reduced crew fatigue
-
Sport Fishing Boats: Maintain precise trolling patterns and course holding
-
Motor Yachts: Enhanced navigation comfort and safety
-
Commercial Vessels: Reliable autopilot performance for working boats
Raymarine Quality & Support
Backed by Raymarine's 80+ years of marine electronics expertise, the M81120 features rugged construction designed for the harsh marine environment. The unit includes a comprehensive 2-year limited warranty and is supported by Raymarine's global dealer network for professional installation and service.
Frequently Asked Questions
What hydraulic steering systems are compatible with the M81120?
The Type 1 pump works with traditional hydraulic steering systems equipped with 4.9-14 cubic inch steering cylinders (80cc-230cc). It's compatible with both single and dual ram configurations when properly calculated for total system volume.
Do I need additional components for installation?
Yes, the M81120 requires an ACU-150 or ACU-200 Actuator Control Unit (sold separately) plus appropriate Evolution autopilot control head and course computer for complete system functionality.
Can this pump handle rough sea conditions?
Absolutely. The 750 PSI maximum pressure rating and robust construction ensure reliable performance in challenging marine conditions while maintaining precise steering control.
Is professional installation required?
Professional installation by an authorized Raymarine dealer is strongly recommended to ensure proper hydraulic connections, system bleeding, and ABYC compliance for optimal performance and safety.
What's the difference between S1 and S2 corepack compatibility?
S1/S1G corepacks support cylinder capacities from 4.9-10.5 cubic inches, while S2/S2G corepacks extend the range to 4.9-14 cubic inches. Both maintain the same 750 PSI pressure and 67 in³/min flow rate.
Upgrade your vessel's steering system with the proven reliability of Raymarine autopilot technology. The M81120 Type 1 Hydraulic Pump delivers professional-grade performance, seamless integration, and the confidence that comes with industry-leading marine electronics engineering.
For more than 80 years, we‘ve been global leaders in high performance marine electronics for the recreational boating and light commercial marine markets. We continue to innovate and provide full electronic systems to boaters around the world. Our products are engineered for the tough marine environment and renowned for ease-of-use, rugged design and reliability. Our full range features chartplotters, fishfinders, radars, marine instruments, marine cameras, AIS units and VHF radios.
Raymarine M81120 Attributes
-
Compatibility: Hydraulically Steered Boats
-
Maximum Pressure: 750 PSI
-
Cylinder Capacity: 4.9 Cubic Inch To 14 Cubic Inch Capacity
-
Voltage Rating: 12 Volt
-
Mounting Type: Floor Mount
Raymarine M81120 Features & Benefits
- Boats With Traditional Hydraulic Steering Systems Will Use An Evolution Autopilot Driven By A Hydraulic Pump
- Pump Connects To The Boat's Hydraulic Steering Lines And Allow The Autopilot To Steer The Boat By Controlling The Flow Of Fluid Through The Boat's Steering System
- Built To Last Longer Life
- Rugged Design And Reliability
- Limited 2 Year Warranty
Type 1 Pump 12voltReversing hydraulic pump for use with steering systems equipped with 4.914 cubic inch (80cc 230cc) hydraulic steering rams.
The Type 1 hydraulic drive is compatible with both S1/S1G and S2/S2G corepacks. Use the table below to determine the Type 1 hydraulic drive's capacity when used with each corepack
Corepack Used S1 or S1G
Ram Capacity 4.9in - 10.5in
(80CC-172CC)
Maximum Stall
Pressure at 12V 750psi (50bar)
(no load) 67in/min (1000cc/min)
Corepack Used S2 or S2G
Ram Capacity 4.9in - 14in
(80cc - 230cc)
Maximum Stall
Pressure at 12V 750psi (50bar)
Peak Flow Rate
(no load) 67in/min (1000CC/min)
You need to find out the size (in cc) of the hydraulic cylinder ram installed on the rudder or on the drive unit of the ship with inboard engine or on the ship with outboard engine. your ...
Frequently Asked Questions (FAQ) About Raymarine Type 1 Pump 12V
Who is the Raymarine?
How to describe Raymarine Type 1 Pump 12V?
What is the type of the product?
What is the mounting type of the product?
What is the compatibility of this product?
Who is the Raymarine?
Raymarine, the world leader in marine electronics, develops and manufactures the most comprehensive range of electronic equipment. Raymarine is dedicated to the design, manufacture and distribution of the highest quality marine electronic products and services to the worldwide recreational and light commercial markets. Whether it be stand-alone units or fully integrated systems, Raymarine understands boating and what it takes to make it safer.
How to describe Raymarine Type 1 Pump 12V?
You need to find out the size (in cc) of the hydraulic cylinder ram installed on the rudder or on the drive unit of the ship with inboard engine or on the ship with outboard engine. your ...
- Compatible with S1/S1G and S2/S2G corepacks.
- Reversing pump for use with steering systems equipped with 4.914 cubic inch (80cc 230cc) hydraulic steering rams.
- Type 1 Pump 12volt
- The Type 1 pump is a hydraulic reversing pump for use with steering systems equipped with 4.914 cubic inch (80cc 230cc) hydraulic steering rams.
- It can be used with both S1/S1G and S2/S2G corepacks, so it's compatible with all models of cars.
- The Type 1 is an excellent choice for upgrading your old system or building something from scratch.
The Raymarine Type 1 Pump is a reversing hydraulic pump for use with steering systems equipped with 4.9-14 cubic inch (80cc - 230cc) hydraulic steering rams. The pump is fitted with a hand-operated cam lock and a quick release lever to allow the steering ram to be disconnected from the pump in seconds during emergency situations.
What is the type of the product?
Pumps/Drives
- Compatible with S1/S1G and S2/S2G corepacks.
- Reversing pump for use with steering systems equipped with 4.914 cubic inch (80cc 230cc) hydraulic steering rams.
- Type 1 Pump 12volt
- The Type 1 pump is a hydraulic reversing pump for use with steering systems equipped with 4.914 cubic inch (80cc 230cc) hydraulic steering rams.
- It can be used with both S1/S1G and S2/S2G corepacks, so it's compatible with all models of cars.
- The Type 1 is an excellent choice for upgrading your old system or building something from scratch.
- The reversing hydraulic pump is designed to be used in conjunction with a steering system equipped with 4.9-14 cubic inch (80cc - 230cc) hydraulic steering rams.
- The pump can be mounted on either the left or right side of the steering ram and is equipped with an integral check valve to prevent backflow.
- It features a high pressure relief valve that will actuate automatically if the pressure exceeds 1,000 psi (6,900 kPa).
- The reversing hydraulic pump is a high quality, reliable product designed for use with steering systems equipped with 4.9-14 cubic inch (80cc - 230cc) hydraulic steering rams.
- This pump will allow the operator to move the steering ram in either direction by simply reversing the flow of hydraulic fluid from one side of the pump to the other.
- This product is manufactured from high quality materials and has been designed to meet the demands of today's industry standards.
- Product features: - Advanced AI technology that can generate content in seconds
What is the mounting type of the product?
What is the compatibility of this product?
Hydraulically Steered Boats
Save $206 when you buy the Raymarine Type 1 Pump 12V for only $863 from NVN Marine! Same day shipping before 3pm.
