TUG AND WORKBOAT DESIGN GUIDE - Robert Allan Ltd.

collaboration with Voith Turbo Schneider Propeller for a tug with two VSP units located fore and aft, rather than in the typical side-by-side tractor configuration. Reverse tractor — an alternate term (seldom used today) to describe an ASD tug. Rotor© tug — a patented configuration of tug with three Z-drive

  Turbo, Voith, Voith turbo