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    • Autopilot Selection Form
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    • ASIA / PACIFIC
      • NEW ZEALAND – ELECTRONIC NAVIGATION LTD
      • SINGAPORE – MACK MARINE PTY LTD
      • THAILAND – PING ELECTRIC CO LTD
    • AUSTRALIA
      • COURSEMASTER AUTOPILOTS PTY LTD
    • EUROPE
      • ENGLAND – SOUTHERN CROSS MARINE
      • DENMARK – DACON EUROPE A/S
      • FRANCE – GLOBE ELECTRONICS
      • GREECE – AMALTHEIA MARINE
      • ITALY – APEL MAR TECHNOLOGY S.R.L.
      • FINLAND – NAVIGREEN OY LTD
      • TURKEY – CIHAN MARINE ELECTRONICS
      • PORTUGAL – Seatec Equipment
    • MIDDLE EAST
      • UNITED ARAB EMIRATES – ELCOME INTERNATIONAL L.L.C.
      • OMAN – ELCOME INTERNATIONAL L.L.C.
      • KUWAIT – ELCOME Al Kuwait Gen. Trading Co. W.L.L.
      • BAHRAIN – ELCOME INTERNATIONAL WLL
    • USA
      • COURSEMASTER / HYDRIVE USA INC
      • SOUTH EAST – COASTER MARKETING INC
      • NORTH EAST – MARITIME MARKETING
      • SOUTH WEST – RON WARD COMPANY
      • NORTH WEST – J.E. NICHOLSON & CO
    • SOUTH AMERICA
      • SIMRADIO SISTEMAS MARITIMOS
heavy-duty-helms-and-cylinders

HD Series Helms

Steering systems to suit larger vessels including sailing boats, cruising, fishing and commercial vessels.

HyDrive’s Heavy Duty range of precision-made, hydraulic marine cylinders boast a large range of torque capacities, with strength and serviceability second-to-none. Totally constructed from the finest grades of bronze, brass and stainless steel, they are perfectly suited to the harsh marine environment and the punishment of heavy commercial use.

View the Brochure

Which Cylinder will fit my boat?

Built with safety margins far in excess of requirements, these cylinders meet all stringent requirement of both CE and International Survey authorities. The ultra-precision of these units also allow their use on heavy catamaran installations with fluid-link circuits, which eliminate mechanical tie-rods where necessary. Field-replaceable glands seals make maintenance possible without removal from their position. Fully articulated, the cylinders are supplied with matching rod-end bolts, as well as a powerful ball-type mounting bracket.

Need some help? Complete this Steering Selection Form and we’ll assist you with the right kit to suit your boat and budget.

HyDrive_HD_Range

HD SERIES CYLINDERS

  • HD150-9

    HD150-9

    Read more Show Details
  • HD150-12

    HD150-12

    Read more Show Details
  • HD175-10

    HD175-10

    Read more Show Details
  • HD250-12

    HD250-12

    Read more Show Details

HD SERIES HELMS

  • HD Helm Unit 103-frontHD Helm Unit 103

    HD Helm Unit 103

    Read more Show Details
  • HD Helm Unit 104-frontHD Helm Unit 104

    HD Helm Unit 104

    Read more Show Details
  • HD Helm Unit 105-frontHD Helm Unit 105

    HD Helm Unit 105

    Read more Show Details
  • HD Helm Unit 106-frontHD Helm Unit 106

    HD Helm Unit 106

    Read more Show Details

HyDrive is the largest manufacturer of hydraulic boat steering systems in the Southern Hemisphere.

COURSEMASTER AUTOPILOTS

Australian-owned, Coursemaster Autopilots Pty Ltd has been designing and manufacturing quality autopilots in Sydney Australia for over 50 years and exporting to Europe, Asia, Middle East & North America.

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Coursemaster has been acknowledged by international marine industry specialists as their representative. Coursemaster is the Australian distributor of world-leading marine electronics.

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Contact us

Level 2 / 66 Lower Gibbes Street
Chatswood, New South Wales
AUSTRALIA 2067

sa***@**********er.com
+61 2 9417 7097

Coursemaster Autopilots Pty Ltd | Copyright 2025
  • GET A QUOTE
    • Sales Enquiries
  • ABOUT US
  • PRODUCTS
    • COURSEMASTER Autopilots
      • Autopilots by Coursemaster
      • Coursemaster Steering Drives
      • Autopilot Selection Form
      • Coursemaster Options
      • Rate Gyro Compass
      • DOWNLOAD
      • Product History
    • HYDRIVE Hydraulic Steering
      • HyDrive Steering for Outboards
      • Commander Series
        • Commander for Outboards
        • Commander for Inboards Sterndrives & Jets
      • Admiral Series
        • Admiral for Outboards
        • Admiral for Inboards Sterndrives & Jets
      • Heavy Duty Helms and Cylinders
      • Power Assisted Steering
      • E Series Electronic Steering
      • Integrated Electronic Steering
      • Steering Selection Form
    • SATELLITE Communications & Entertainment
      • KVH TracVision
      • KVH Starlink
      • KVH TracNet
      • IP-MobileCast™
      • KVH Satellite
    • SHAKESPEARE Marine Antennas
      • Marine Antennas VHF
      • QuickConnect VHF Antennas & Mounts
      • AIS AM FM WiFi TV
      • HF Antennas
      • Mounts
    • KODEN
      • Fishfinders Echo Sounders
      • Digital Broadband Sounders
      • Radar Koden
      • Chart Plotter Koden
      • Broadband Sonar
      • GPS Koden
    • ICOM Marine Radios
      • Handheld Marine Radios
      • Fixed Mount VHF Marine Radios
      • ICOM UHF Transceivers
      • AIS
    • SEIWA Chartplotters Systems
  • COURSEMASTER NEWS
  • CONTACT
    • Product & Technical Support
    • Autopilot Selection Form
    • Steering Selection Form
    • ASIA / PACIFIC
      • NEW ZEALAND – ELECTRONIC NAVIGATION LTD
      • SINGAPORE – MACK MARINE PTY LTD
      • THAILAND – PING ELECTRIC CO LTD
    • AUSTRALIA
      • COURSEMASTER AUTOPILOTS PTY LTD
    • EUROPE
      • ENGLAND – SOUTHERN CROSS MARINE
      • DENMARK – DACON EUROPE A/S
      • FRANCE – GLOBE ELECTRONICS
      • GREECE – AMALTHEIA MARINE
      • ITALY – APEL MAR TECHNOLOGY S.R.L.
      • FINLAND – NAVIGREEN OY LTD
      • TURKEY – CIHAN MARINE ELECTRONICS
      • PORTUGAL – Seatec Equipment
    • MIDDLE EAST
      • UNITED ARAB EMIRATES – ELCOME INTERNATIONAL L.L.C.
      • OMAN – ELCOME INTERNATIONAL L.L.C.
      • KUWAIT – ELCOME Al Kuwait Gen. Trading Co. W.L.L.
      • BAHRAIN – ELCOME INTERNATIONAL WLL
    • USA
      • COURSEMASTER / HYDRIVE USA INC
      • SOUTH EAST – COASTER MARKETING INC
      • NORTH EAST – MARITIME MARKETING
      • SOUTH WEST – RON WARD COMPANY
      • NORTH WEST – J.E. NICHOLSON & CO
    • SOUTH AMERICA
      • SIMRADIO SISTEMAS MARITIMOS
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