Crowley Articulated Tugs

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Project Details

When the time came for Crowley to repower their push tugs, Ocean Reliance & Sound Reliance they contacted MER Equipment for the project.

Built in 2002, these were the first of their kind for Crowley. The 550 class ATBs were developed and designed specifically for West Coast operations and weather conditions, with advanced safety features such as double hulls, IGS, segregated ballast and radar gauging systems.




  • Two – 200kW BOLLARD™ marine generators
  • Custom SeaDrive – air actuated clutch
  • ABS certification
  • Aurora fire pump
  • Custom mounting configuration