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Raymarine Type 1 Pump 12v
Raymarine Type 1 Pump 12volt - Marine Autopilot Accessories

Product Condition? Brand-New
Manufacturer's Warranty? Yes, Valid
Authorized Reseller? Yes
List Price: $779.99
Our Price: $621.08
You save $158.91!
Loc Bin: 114

Stock Status: In Stock
: Usually Ships Same Day
Product Code: RAYM81120

Description Extended Info
Raymarine Type 1 Pump 12v
Raymarine M81120 Type I Pump M81120

Type 1 Pump 12volt
Reversing 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
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)

Manufacturer Part Number: M81120

Average Customer Review: 4 of 5 Total Reviews: 2 Write a review.

  0 of 0 people found the following review helpful:
auto helm steering pump August 10, 2017
Reviewer: lee from indianola, washingtonl  
I used the newly installed autopilot steering pump on our  1996 4788 bayliner on a recent 2 week cruise to Canada and the autopilot worked perfectly . very pleased with the purchase and the competative price..

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  0 of 0 people found the following review helpful:
Pump Works, but Raymarine has changed connections May 19, 2017
Reviewer: Richard Odendahl from Harrison Township, MI United States  
The pump was shipped promptly and in good condition.  Unfortunately, Raymarine has moved the hydraulic connections to the end, rather than the top of the pump.  The part number has not been changed in spite of this major redesign.  This made what should have been a simple replacement a major plumbing project.  Also, a different type of connectors with a captured o-ring was provided that leaked on both of the pressure connections.  I had to go out and buy captured washers and reuse the old connectors to stop the leak.

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