Description
What is the effect of the Soft Shift system:
The Dintra Soft Shift kit will force the PRM gearbox to accelerate smoothly from zero to full propulsion within 1.5 second when engaging from neutral to forward and/or reverse. In comparison: with a standard valve block fitted, the time between moving the lever and actual full engagement of the gearbox will be appr. 0.2 – 0.4 sec.
The result is:
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No more harsh engagements.
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Preventing from damage to the gearbox and/or other parts of the drive line, such as shaft couplings, engine mounts and bearings.
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Eliminating noise problems caused by harsh engagements.
This is particularly working well with installations where many engagements are made daily, for installations with a long and/or heavy prop shaft installation and for installations where the engine is mounted rigid or no flexible shaft coupling is being used.
For which models:
The Dintra Soft Shift kit can be mounted as an accessory on all PRM 160 – 260 – 280 – 310 – 301 – 302 – 500 – 401 – 402 – 750 – 601 – 1000 – 1500 – 1750 gearboxes, even for installations which have a PTO and/or trolling valve fitted.





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