Page 23: of Maritime Reporter Magazine (January 1969)

r; mtmm>f The twin-screw Red-Stack tug, Sea Swift is powered by two General Motors 16-645E5 Diesel engines which are controlled from the pilot house by GM pneumatic control equipment. In calmer seas, she can cruise at 15 knots under tow. With new GM power, Puget Sound Tug & Barge is cutting the round-trip time in half. Earlier tugs made the trip in 16 to 18 days. Sea Swift's average time is just over 9 days. For more details about her power and controls, just call your Electro-Motive man. Electro-Motive Division La Grange, Illinois MARK OF EXCELLENCE GM