ZF Marine Transmissions, ZF Hurth Marine  ZF 85 A, ZF Marine Transmissions, ZF85A Transmissions, at Trans Atlantic Diesels




ZF Hurth Marine Transmissions
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ZF Hurth Marine Transmissions ZF 85 A

ZF 85 A
8° Down angle, direct mount marine transmission
Maximum Input**


kW hp RPM
Pleasure 501 671 4500
Light 469 628 4500
Medium 376 505 4500
Continuous 222 298 3200
** Must not be exceeded

ZF 85 A Description

  • Reverse reduction marine transmission with hydraulically actuated multi-disc clutches.
  • Suitable for high performance applications in luxury motoryachts, sport fishers, express cruisers etc.
  • Robust design also withstands continuous duty in workboat applications.
  • Fully works tested, reliable and simple to install.
  • Design, manufacture and quality control standards comply with ISO 9001.
  • Compatible with all types of engines and propulsion systems, including water jets and surface piercing propellers, as applicable.

ZF 85 A Features

  • 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.
  • Compact, space saving design due to 8° down-angle and beveloid gear principle.
  • "SUPERSHIFT" clutch control.
  • Integrated bosses for speed pick-up installation at output flange.

ZF 85 A Options

  • Engine-matched dual stage coupling.
  • SAE 2 and SAE 3 bell housings.
  • Oil cooler complete with fittings and flexible oil hoses.
  • Mounting brackets for rigid connection to foundation.
  • Propeller shaft flange.
  • Control cable bracket for connection of the push-pull cable.
  • Classification by all major Classification Societies on request.
  • SAE ŤAť 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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This Page Last Updated June 11, 2018

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