Global Maritime Directory

The maritime industry, company by company

Robert Allan Engineering & Design

Z-Tech Series

Red Dot award-winning port and terminal tug designs combining the handling of Z-drive tractor and ASD tugs, originally developed for PSA Marine of Singapore.

Description

The Red Dot award-winning Z-Tech series tugs were initially developed for PSA Marine of Singapore. The design combines the best handling and operational characteristics of Z-drive tractor tugs and azimuthing stern-drive (ASD) tugs, and is intended primarily for operation in major ports and marine terminals.

The Z-Tech emphasizes safe ship-handling of large ships, particularly those with extreme flares such as large container ships and car carriers, working in push or pull mode. It has a relatively low forward sheer and a wide, heavily fendered bow; the wheelhouse is set well aft and inboard for visibility over the working deck. With the low bow, the tug makes transit voyages stern-first in tractor mode and operates with a single winch positioned for both ship-handling and towing. The site states that the U.S. Navy selected the Z-Tech for several of its major terminals.

Key features

  • Hybrid of Z-drive tractor and ASD handling characteristics
  • Low forward sheer, wide heavily fendered bow
  • Single winch for ship-handling and towing

Applications

Ship-handling in major ports and marine terminals.

More from Robert Allan

All services of Robert Allan →

Featured services

All services →