ZF 85 A

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Product Specifications


Reduction Ratio: 1.962:1

Dry weight: 69 Kg/152 lb

Oil quantity: 5.5 liters


The ZF 85 A is a marine gearbox with clutches suitable for high performance applications such as:

  • luxury motor yachts;
  • sport fishing boats;
  • cabin cruisers.


It is compatible with all types of engines and propulsion systems, including waterjets and propellers.

One of its main advantages is the robust, compact and space-saving design thanks to the downward tilt principle and the 8° beveled gear. Its durability allows for continuous service even in workboat applications.

Among its main components we find:

  • the B/W attack integrated with casing;
  • hardened and precisely ground gear teeth, ensuring long life and smooth operation;
  • a smooth and reliable hydraulic shift with control lever that allows the fixing of the push-pull cable;
  • the axial bearing of the output shaft, thanks to which it is possible to support the maximum forward and backward thrust of the propeller;
  • the oil drain plug composed of a light and robust aluminum alloy casing that resists sea water;
  • the replaceable oil filter;
  • integrated bushings for quick installation of the pick-up to the output flange.


It complies with the design, manufacturing and quality control standards relating to ISO 9001.

Data Sheet



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