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Submarines1943–present
Diesel-electric submarine
Balao-class submarine is a diesel-electric submarine. The cited manufacturer or builder is Portsmouth Naval Shipyard Cramp Shipbuilding Company Mare Island Naval Shipyard Electric Boat Company Manitowoc Shipbuilding Company.
Balao class
Portsmouth Naval Shipyard Cramp Shipbuilding Company Mare Island Naval Shipyard Electric Boat Company Manitowoc Shipbuilding Company
United States Navy Italian Navy Turkish Navy Hellenic Navy Peruvian Navy Argentine Navy Chilean Navy Bolivarian Navy of Venezuela Republic of China Navy Royal Canadian Navy Brazilian Navy Royal Netherlands Navy Spanish Navy
Gato class
Tench class
1942–1946
1943–present
120
62
1
14 (11 in United States service, 3 in foreign service)
105
7
Diesel-electric submarine
1,526 tons (1,550 t ) surfaced, 2,391–2,424 tons (2,429–2463 t) submerged
311 ft 6 in–311 ft 10 in (94.9–95.0 m)
27 ft 3 in–27 ft 4 in (8.3 m)
16 ft 10 in (5.13 m) maximum
4 × diesel engines driving electrical generators ( Fairbanks-Morse or General Motors ); 2 × 126- cell Sargo batteries ; 4 × high-speed electric motors with reduction gears or 2 × low-speed electric motors ( Elliott Company or General Electric ) two shafts; 5,400 shp (4,000 kW) surfaced, 2,740 shp (2,040 kW) submerged
20.25 knots (38 km/h) surfaced, 8.75 knots (16 km/h) submerged
11,000 nautical miles (20,000 km) surfaced @ 10 knots (19 km/h)
48 hours @ 2 knots (3.7 km/h) submerged, 75 days on patrol
400 ft (120 m)
10 officers, 70–71 enlisted men
10 × 21-inch (533 mm) torpedo tubes 6 forward, 4 aft 24 torpedoes 1 × 5-inch (127 mm) / 25 caliber deck gun Bofors 40 mm and Oerlikon 20 mm cannon
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Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 28 Sept 2026 | 94.9452 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 94.9452 m | Wikipedia contributors | approved |
| 28 Sept 2026 | 94.9452 m | Wikipedia contributors | superseded |
Country inventory links have not yet been documented for this equipment.
United States Navy Italian Navy Turkish Navy Hellenic Navy Peruvian Navy Argentine Navy Chilean Navy Bolivarian Navy of Venezuela Republic of China Navy Royal Canadian Navy Brazilian Navy Royal Netherlands Navy Spanish Navy
Equipment reference ↗