Length: 305' 3" overall.
Beam: 30' 4" extreme.
Displacement: 1,015–1,018 long tons normal.
Draft: 9' 3" mean.
Propulsion machinery: direct drive steam turbines with reciprocating engines for cruising; 12,000 shp; 2 shafts.
Designed speed: 29.5 knots.
Fuel bunkerage: 307 tons.
Torpedo battery: 8 x 18-inch torpedo tubes in four trainable twin mounts.
Gun battery: 4 x 4-inch/50 caliber rapid fire guns in single pedestal mounts.
In 1917, Benham received experimental 4-inch twin mounts but these were removed before she was sent to the war zone.
1 Bureau of Construction and Repair’s General Information book for USS Aylwin.
2 Bauer and Roberts.