VESSEL design

Crowley's Technical Services team designs and builds innovative vessels that raise the industrys abilities and its level of quality. Listed below are some of the vessels keeping Crowley in the forefront of the industry's technology and design.

Tugboats

Prince William Sound Class - The specially designed 153-ft. Prince William Sound tugs are the most powerful Voith Schneider propulsion tractor tugs in the world. More about Prince William Sound tugs>

Alert Class - The Alert Class is a general purpose Prevention and Response Tug powered by twin Caterpillar 3612B engines generating the combined 10,192 horsepower driving two Rolls Royce azimuthing thrusters. More about Alert tugs >

Avik Class - The Avik Class tugs are designed for utilization with oil barges in the coastwise and river trades of Western Alaska. Their stern configuration shrouds the triple screw propellers in tunnels enabling these tugs to work at very shallow drafts. More about Avik tugs >

Harbor Class - The newly designed 105-ft. Harbor-Class tractor tugs are U.S.-flag vessels designed for ship assist and escort. More about Harbor tugs >

Protector Class - Protector Class tugs are U.S. flag tractor tugs designed for ship assist and escort. More about Protector tugs >

Response Class - The Response Class tug is a state of the art escort tug. More about Response tugs >

ATBs

The Reliance / 550 Class Articulated Tug and Barge (ATB) incorporates the latest advances in environmental safety along with improvements in hull design to deliver the most advanced and efficient tug-barge combinations currently available. More about Reliance ATBs >

The 750 Class 330,000-barrel Articulated Tug and Barge (ATB) will be the largest in the company’s history and the fastest in their class. Once received, the three new Jones Act ATBs (Legacy/750-1, Legend/750-2 and Liberty/750-3) will be operated in the U.S. coastwise trade by Crowley’s petroleum services segment. More about 750-class ATBs >