Octopus Type S Straight Shaft Rotary Mechanical Drive #OCTAFMDMSW Teleflex w/RFU



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Octopus Type S Straight Shaft Rotary Mechanical Drive #OCTAFMDMSW


Works perfectly, fully tested with guarantee.

Including the Rudder Feed Back Potentiometer Module OC15SUK06 (universal – for all major Autopilot Models)


Straight Shaft with Rudder Feedback



The Octopus rotary mechanical autopilot drive (model MDR-40) is an automatic pilot drive system which makes it easy and economical to install an automatic pilot on smaller powerboats steered with mechanical push pull cable steering systems and small sailboats with access to a quadrant or tiller. The unit is powerful and fast – capable of delivering over 300lbs of cable thrust, with a normal H.O. to H.O. time of 15 seconds.

The drive unit either replaces or is used in conjunction with common brands of mechanical rotary and rack & pinion steering helm units, it incorporates a drive motor, a solenoid clutch and offers rudder feed back (RFB) capability.

• The MDR40 drive is based on the MORSE 290 rotary helm unit and accepts MORSE 304415 and Teleflex SSC52 rotary cables without modification. If the vessel is fitted with a TELEFLEX u0091Safe Tu0092 or u0091Big Tu0092 or UFLEX u0091T71u0092, T73NRu0092, u0091T81u0092 system, a simple cable end adapter must be fitted to the cable before installing the drive. If the vessel is fitted with a rack and pinion type steering system (or other brands of rotary system), the MDR40 drive can be used, but the steering cable must also be replaced with a MORSE 304415 or Teleflex SSC52.

• The MDR40 drive unit is designed around the MORSE 290 Rotary Drive Helm manufactured by Morse Controls of Hudson Ohio, USA. To meet A.B.Y.C. regulations, this type of steering is recommended for use on vessels with a maximum speed of 40 m.p.h. The MDR40 should not be fitted to vessels, which exceed this speed.

Retro Fits to Most Cable Steered Vessel

Easily Adaptable to S1 Autopilots

The Only Viable Option When Adding an Autopilot to a Cable Steered Vessel

Affordable, Reliable, Seamless-behind the Dash Installation

Type S – Standard Straight Shaft f/Mounting Behind the Dash

The Straight shaft drive unit replaces the manual drive used on cable steered boats and is mounted directly behind the dash. The drive is directly compatible with the Morse 290 steering helm but comes with its own bezel kit and can be retrofitted in most installations using the cable and steering wheel from the manual steering helm on the boat.

This drive can be mounted in 2 ways, either at 90° to the dashboard or at 20° to the dashboard. Spacer Kits are also available to reduce the space required behind the dashboard.

Additional information

Weight 0.0 g
Country/Region of Manufacture



Octopus Autopilot Drives

Country of Origin


Manufacturer Part Number



Octopus Autopilot Drives


90 Day