Many marine transmissions rely on a floating spline coupling arrangement to transfer power from the engine flywheel to the transmission.
The relatively short spline on the transmission input shaft, coupled with the spline in the drive plate, is the weakest link in your boat’s drive system. This spline arrangement is highly intolerant to poor alignment and is very susceptible to wear from constant changes in engine output (e.g. commercial fishboats operating at low RPM), vibration and inconsistent off-on loading conditions.
The Suredrive™ is designed to eliminate this weak link by locking a female center spline hub onto your existing transmission input shaft.
It is not necessary to replace your input shaft even if the spline is worn. The Suredrive™ centre spline hub will lock onto even the most worn spline surfaces.
“Do not let a salesperson sell you an input shaft if yours is worn, you only need 20% remaining on your spline for a Suredrive™ to engage and lock 100%.”
Don’t let the noise of damper plate failure scare your fish away. Durable elastomers (rubber inserts) are installed at the perimeter of the inner spider drive to aid in dampening engine vibration and torsional forces, thereby providing a much quieter drive system.
Finally, the outer spider drive is bolted onto the engine flywheel. The centre sockets of the outer spider engage the inner spider drive with the rubber inserts effectively cushioning the mating surfaces.
- ECONOMY – Eliminates high cost, high wear components and downtime related to your drive system.
- SAFETY – Infinitely stronger than traditional drive plates, the Suredrive™ gets you home every time.
- QUIET OPERATION – The Suredrive™ dampens noise and vibration that is transmitted along the prop shaft and into the water, particularly in the low R.P.M. range.
- INSTALLATION – It’s simple & it’s easy! If you can operate a torque wrench you can install your own Suredrive™. See installation instructions here.
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