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Engine Control Systems
Hynautic Hydraulic Control Systems
Hynautic engine and transmission controls

Teleflex/Morse / Hynautic is the world's largest manufacturer of marine hydraulic controls

  • Proven performance and reliability for over 30 years
  • Dependable control for luxury cruisers, workboats and commercial fishing boats
  • Nothing moves boats better A hydraulic control is a liquid link between a sender and an actuator
  • Provides pure energy in motion Without friction, Without backlash, No lost motion
  • Up to four stations is possible depending on length of tubing run
  • Unique and highly accepted feel
  • Simple installation
Troubleshooting your Hynautic Controls - Click Here
Purge and Sync instructions for your Hynautic Engine Control System.

Multiple Station Synchronization Each Hynautic sending unit contains a special valve assembly which permits full synchronization. With just a few movements of one handle, all stations are synchronized. Any adjustments are automatically made as the system is operating.

Ease of installation Unlike bulky mechanical or cable systems, Hynautic uses lightweight nylon tubing which is more pliable and less susceptible to abrasion. Components are easily mounted and the senders are hydraulically connected to the slaves, avoiding the troublesome linkage boxes found in mechanical systems.

No Throttle Feedback By incorporating a double check valve in theHunautic throttle slave system, throttles cannot be retarded by heavy-duty governor springs common to most large engines. Quick disconnect linkage at the engine allow for independent throttle operation while servicing the engine.

Quality Materials All component bodies are made of 6061-T6 aluminum. Sender heads and handles are anodized aluminum; sender shafts are stainless steel. Cylinder barrels are brass.

Neutral Clutch Detent A spring-loaded clutch detent on each clutch slave insures that all stations register a distinct feel when the Hynautic transmission slavetransmission is in neutral. Also available is an optional Neutral Safety Switch Kit which prevents the engine from starting while transmission is in gear.

All Hynautic control systems incorporate certain high-tech components. These hydraulic components are interconnected either with nylon or copper tubing.

CL-B4 or CR-R4 Senders Separate left and right sending units are interchangeable as either clutch or throttle controls. The sender face is brushed anodized aluminum, as is the handle. Optional mounting plate simplifies side-by-side installation.

R-13 Reservoir The reservoir maintains the fluid reserve and Hynautic controls reservoirpressure for the hydraulic system. Clear sight tube makes visual fluid inspection easy. The lower charging valve section keeps all parts of the system under positive fluid pressure.

SS-04 Transmission slave with neutral detent is mounted directly on the transmission.

ST-06 Throttle slave directly attaches to the engine's throttle linkage. It is equipped with a pilot check valve to prevent throttle feedback.

Hynautic transmission slave SS04

Transmission Slave SS04


Hynautic Throttle Slave

Throttle Slave ST06, built-in STV10
Throttle Slave ST04


Hynautic Controls Reservoir R13

Control Reservoir R13


hynautic control system relief valve stv10

STV10 Pressure Relief Valve


For exploded views of the above units, click on the one you want (you will need Adobe Reader installed):

ST04 ST06 SS04 R13

Hynautic Control Levers
Hynautic Controls - Sending Units
Hynautic Control Sending Unit CRB4

Sending Unit CRB4 & CLB4


Hynautic Sending Unit Parts

Sending Unit Parts


For an exploded view of the sending unit, click here.

Hynautic control set up


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