← Back to Fleet Database

O'Brien-Class

USA Destroyer Thousand Tonners Tier 2 Power 22.19

First 21-inch Torpedoes - Major upgrade from 18-inch to 21-inch (533mm) Mark 8 torpedoes, significantly increasing striking power.

Specifications

Displacement (std)
1050 t
Displacement (full)
1187 t
Length
305.4 ft
Beam
31.2 ft
Crew
99
Ships built
6
Commissioned
1914-1915
Decommissioned
1920s

Performance

Top speed
29 kn
Range
5300 nm at 12 knots

Armament

Main guns
4× 4-inch/50 cal Mark 9
Secondary guns
None
Torpedoes
8× 21-inch (4× twin)

Armor & Systems

Belt
None
Fire control
Not documented

In-Game

Tier
T2
Game power
22.19
Research cost
1,953
Credit cost
15,533

Notable

Historical source ↗