Equipment-manufacturer pairs that appear in at least 2 sister-ship manifests of the Gearing-class destroyer. This consensus pattern reflects standard machinery installations for the class.

Equipment	Manufacturer	Found Aboard
Boilers	Babcock & Wilcox	50 sister ships
Air Compressor	Worthington	47 sister ships
Sonar	General Electric	47 sister ships
Turbine	General Electric	47 sister ships
Boiler	Babcock & Wilcox	46 sister ships
Emergency Feed Pump	Warren	46 sister ships
Fire Control System	Ford Instrument	46 sister ships
Switchboard	General Electric	46 sister ships
Turbines	General Electric	46 sister ships
Air Compressors	Worthington	45 sister ships
Auxiliary Condenser	Worthington	45 sister ships
Boilers	Babcock and Wilcox	45 sister ships
Condenser	Worthington	45 sister ships
Engine	Babcock & Wilcox	45 sister ships
Fire Control System	Sperry	45 sister ships
Forced Draft Blowers	Westinghouse Electric Co.	45 sister ships
Forced Draft Blowers	Westinghouse	45 sister ships
Generator	General Electric	45 sister ships
Generators	General Electric	45 sister ships
Gyroscope	Sperry	45 sister ships
Hp Air Compressor	Worthington	45 sister ships
Lp Air Compressor	Worthington	45 sister ships
Main Condensate Pump	De Laval	45 sister ships
Main Condensers	Worthington	45 sister ships
Pumps	DeLaval	45 sister ships
Radar	Sperry	45 sister ships
Radar	General Electric	45 sister ships
Reduction Gear	Falk	45 sister ships
Radar	Sperry Gyroscope	2 sister ships

Source: aggregated from 56 sister-ship equipment manifests (BUSHIPS primary records, public litigation document extracts, and Wikipedia/DANFS public records). Individual ship variations may exist. Entries appearing on only 1 sister ship are excluded as not yet class-confirmed.

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