ZF63IV Hurth Marine Transmission

ZF63IV Hurth Marine Transmission

12° V-drive, direct mount unit that is suitable for pleasure boats, sailboats and small fishing vessels.


ZF63IV (HSW630V)


  • Lightweight and robust aluminum alloy casing (sea water resistant)
  • Case hardened and precisely ground gear teeth for long life and smooth running
  • Output shaft thrust bearing designed to take maximum propeller thrust astern and ahead
  • B/W connection integrated with casing
  • Smooth and reliable hydraulic shifting with control lever for attachment of push-pull cable
  • Suitable for twin engine installations (same torque capacity in ahead or astern mode
  • Reduction Ratios in ahead or astern are very close.)
  • Replaceable oil filter cartridge
  • “SUPERSHIFT” clutch control


  • Engine-matched dual stage coupling
  • SAE 3 and SAE 4 bell housings
  • Oil cooler complete with fittings and flexible oil hoses
  • Mounting brackets
  • Propeller shaft flange
  • Control cable bracket for connection of the push-pull cable
  • Classification by all major Classification Societies on request
  • SAE «A» Power Take Off
  • Thermostatic valve for better performance of trolling valve in cold sea water
  • Trolling valve (mechanical) for slow-speed drive
  • Electric Trolling
  • Supershift (with Autotroll and Easidock)

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Item Number Ratio Price
ZF63IV (HSW630V) 1.29:1 1.29:1 Call for price
ZF63IV (HSW630V) 1.56:1 1.56:1 Call for price
ZF63IV (HSW630V) 2.00:1 2.00:1 Call for price
ZF63IV (HSW630V) 2.48:1 2.48:1 Call for price