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  • LS-30 Winch
  • LS-30 Winch
  • LS-30 Winch

Hawboldt’s modular Ocean Science 30 Series Winches are designed for a wide range of science work in harsh marine conditions, including CTD, ROV, Trace Metals, trawling, and many more.

With a 25+ year service life and backed by decades of experience building custom winches for the research industry, our Ocean Science Winches are manufactured for the toughest challenges and harsh marine conditions.


  • Inline or right angle level-wind
  • Electric (includes VFD) or hydraulic (includes
  • Directional Control Valve) power input
  • Local electronic control panel
  • Compact and modular Lightweight Aluminum Engineered frame
  • Large drum diameter ensures a long cable life
  • Hawboldt’s proprietary EZ-Spool control system
  • Integrated dual axis load pin


  • Fairlead Roller Box with instrumented sheave
  • Grooved Shell
  • Wired or Wireless Belly-Pack
  • Active Heave Compensation
  • Focal 180 Slip Ring
  • Industrial VPN Router
  • Air-conditioning Unit
  • Hawboldt’s Proprietary Pro-Spool Control System
  • Rotary Slewing Ring
  • Cable Wash Down Sprayer


Download cutsheet here

Winch Power Requirements

  • Electric – 440VAC/3PH/60Hz – 35 HP
  • Hydraulic Supply – 3000 psi @ 20 GPM

Winch Data

  • Maximum Bare Drum Pull: 5,000 lbs @ 180 ft/min


  • Capacity: 400m (1333ft) of 0.322” diameter EM cable in 8 layers (2,265 kg @ 55 m/min)