Raymarine Type 2 Mechanical Linear Drive 12V M81131

Binnacle.com #:  38097
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Raymarine Type 2 Mechanical Linear Drive 12V M81131

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For larger boats with existing mechanical steering systems up to 33,000 lbs (15,000 kg) displacement.
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Binnacle.com:   #38097
Brand:  Raymarine
MFG Part#:   M81131
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Raymarine 12 Volt Type 2 Mechanical Linear Drive Unit M81131

The first of three steps in selecting an autopilot is selecting the proper drive unit for the vessel. Raymarine autopilot drive units are available in array of sizes and configurations to accommodate various steering system types and vessel displacements. To properly select an autopilot you need to determine what type of steering system is installed.

The Type 2 Mechanical Linear Drive M81131 is designed for larger boats with existing mechanical steering systems up to 33,000 lbs (15,000 kg) displacement. This drive moves the rudder directly by attaching to the Rudder Quadrant or Tiller Arm.

The mechanical linear drive provides powerful thrust, fast hardover times and quiet operation.


  • Low backdrive force, to minimize the drive’s effect on the boat’s steering when the autopilot is in standby
  • A powerful electric motor controlled by an electromagnetic fail-safe clutch, using a high tensile belt drive and epicyclic gearbox
  • High performance for minimum current consumption


CE Approvals - Conforms to: 89/336/EC (EMC), EN60945:1997 and 94/25/EC (RCD), EN28846:1993.


Peak thrust: 480 kg (1,050 lbs.)

Maximum stroke: 300 mm (12 in)

Hardover to Hardover (+/- 35 degrees, no load): 11 sec  

Maximum rudder torque: 1,190 Nm (10,500 lb. in)

Dimensions (Midstroke): L 700 mm (27.5 in), W 114 mm (4.5 in), H 197 mm (7.8 in)

Overall Length with mounting base (Midstroke): L 779 mm (30.6 in)

Protected for use in engine compartments


Nominal supply voltage: 12V DC

Power consumption (standby): 48-72 W


Remember, always take the fully laden displacement weight of your vessel into account. This is often 20% above the designed displacement. Do not choose a pilot which will always be working at the limit of its design capabilities.

  Raymarine Mechanical Linear Drive (M81130, M81131, M81132, M81133, M81134) Installation Instructions 81175-7-EN
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A. We ship from Halifax, NS

Q. What is the delivery time?
A.  NS, NB, PE: 1 - 2 business days,
      ON, QC, NL: 2- 4 business days
      MB, SK, AB: 4-5 business days
      BC: 5-7 business days
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Q. Do you offer Express Shipping?
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Q. Do you require a signature on delivery?
A. We sometimes add a signature requirement especially if it is a high value package

Please Note:
Very Remote areas are exempt from Free Shipping offer. These are typically remote northern areas. Nunavut as well as many parts of the Yukon and NWT are exempt from free shipping

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Guarantee You may return your purchase to us (with a return authorization number - use this form) within 30 days and we will refund the purchase price of the product. Items which are cut to order (rope, wire etc), software, chart cards and printed materials (paper charts, books) are not returnable.

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