Historic British Admiralty tug steam engine manufactured by W. Sisson & Co. Ltd., Gloucester, England, No. 4575, built in 1942. Rated at approximately 85 indicated horsepower at 250 RPM. Professionally restored by Preston Services in 2010. A remarkable example of mid-20th century British marine steam engineering with strong appeal for collectors, maritime museums, restoration projects, or display. Dimensions: L: 75 in (183.8 cm) W: 37 in (90.7 cm) H: 70 in (171.5 cm) Weight: approximately 1800-2000 pounds (816.5-907.2 kg)

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