ZF Marine Transmissions, ZF Hurth Marine  ZF 305-2 A, ZF Marine Transmissions, ZF 305-2 A Transmissions, at Trans Atlantic Diesels




ZF Hurth Marine Transmissions
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ZF Hurth Marine Transmissions ZF 305-2 A

ZF 305-2 A
7 Down angle, direct mount marine transmission.
Maximum Input**


kW hp RPM
Pleasure 643 861 3000
Light 559 749 3000
Medium 426 572 3000
Continuous 388 521 3000
** Must not be exceeded

ZF 305-2 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.
  • Compatible with all types of engines and propulsion systems, including water jets and surface piercing propellers, as applicable.
  • Design, manufacture and quality control standards comply with ISO 9001.

ZF 305-2 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.
  • Compact, space saving design; 7 down-angle and "Lambda" beveloid gear principle.
  • 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).
  • Replaceable oil filter cartridge.
  • "SUPERSHIFT" clutch control.

ZF 305-2 A Options

  • SAE 1, SAE 2 and SAE 3 bell housings.
  • Oil cooler complete with fittings and flexible oil hoses.
  • Engine-matched torsional coupling.
  • Mounting brackets.
  • Propeller shaft flange and coupling bolt sets.
  • Mechanical or Electrical Trolling Valve for slow-speed drive.
  • Electric clutch control (12 or 24 VDC).
  • PTO (live).
  • Classification by all major Classification Societies on request.

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This Page Last Updated June 11, 2018

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