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  • Big-T Rotary Steering System Single Cable

Big-T Rotary Steering System Single Cable

$621.79 $603.98
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Product Description

The Original Teleflex Steering System! For over 35 years, Big-T has been the most durable, versatile mechanical steering system made, with both single and dual station capability. The heavy duty helm incorporates a strong steel pinion, dual diecast gears and meaty shaft bearing supports, all encased in a rugged gear housing. It's no wonder owners of small inboards have counted on the Teleflex Big-T since 1963!


Inboards to 34 feet with one engine.  Also suitable for sterndrive boats with power-assisted steering.  Big-T systems accept Steering wheels up to 20" in diameter.

The type of system shown on the page is for single station use.  For dual station use, please contact customer service at 877-388-2628.


  • Available in single or dual station versions.
  • Responsive 3 turns from lock-to-lock.
  • Standard 3/4" round tapered steering shaft.
  • 2-piece bezel for 90 degree or 20 degree helm mount to dash.
  • Optional 1-piece 90 degree bezel for compact mounting.
  • Uses SSC61 type cable.
  • Includes: Big-T helm, 2-piece bezel, SSC61 type cable
  • Meets A.B.Y.C. standards.
  • Meets N.M.M.A. certification requirements.

How to Measure

How to Measure Steering Cables “Measure Twice. Order Once.”

Replacement of Existing Cable: If possible, find the part number stamped on the plastic jacket of the old cable. If you removed the old cable, measure for the replacement cable as follows:


For Rotary Steering Cable Replacement, Measure Existing Cable as follows: Measure plastic cable jacket (“Y” dimension, shown in above drawing) in inches, add 18″, and round up to next foot. Order that length cable.


New Installation: Measure cable routing path from wheel center line to engine connection, as follows: A = Center line of wheel to gunwale (or deck, if routed downward), B = Dash to transom, C = Gunwale to centerline of cable connection at centered tiller.

For Cable Installations through the Engine Tilt Tube: Add A, B & C + 6″, then round up to the next foot. Order that length cable.

For Cables Mounted to Transom, Splashwell or Stringer: Add A, B & C, then subtract 6″ and round up to the next foot. Order that length cable.


steering-cables-boat.jpg A single-cable, starboard drive push-pull mechanical cable system is shown in this diagram. If your mechanical system is different than the one depicted and/or you have any questions about mechanical steering after reviewing this guide, please contact Teleflex (Mechanical) Technical Service at (610)-495-7011 or

Cable routings (such as those found on pontoon boats) may vary from this drawing. Confirm length by laying a garden hose or similar object) along cable path and measure run from wheel to engine connection point.


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