American self-propelled seaplane wrecking derrick YSD26 in 1945

Dimensions 104.0 x 31.2 feet. Superior Diesel. Horsepower 4000shp. Crane capacity 10 tons. Allocation17th district. Built by  Navy Yard Puget Sound in 1941.

Source

Bureau of Ship. Navy Department. Ships’ Data US Naval Vessels. Vol III. Auxiliary, district craft and unclassified vessels, 15 April 1945