ZF63A Hurth Marine Transmission

ZF63A Hurth Marine Transmission


  • 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


ZF63A (HSW630A)

This 8° down angle, direct mount transmission is suitable for pleasure boats, sailboats and small fishing vessels.

The units are manufactured under ISO 9001 quality standards.

These units have high capacity multi-disc clutches that are hydraulically actuated.

These transmissions. are compatible with all types of engines and are easy to maintain

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Item NumberRatioPrice
ZF63A (HSW630A) 1.22:11.22:1Call for price
ZF63A (HSW630A) 1.56:11.56:1Call for price
ZF63A (HSW630A) 2.04:12.04:1Call for price
ZF63A (HSW630A) 2.52:12.52:1Call for price
ZF63A (HSW630A) 2.68:12.68:1Call for price