Data Quality88%
01 / Overview
Tench-class submarine
Category
Country
Production
1944–1951
Quantity
29
Operators
02 / Specs & Design
◎Identification7MOD.7
- Hull ClassificationDiesel‑electric submarine
- Submarine Typefleet submarine
- Builder / ShipyardPortsmouth Naval Shipyard; Electric Boat Company; Boston Navy Yard
- Laid Down1944
- Commissioned1944
- Boats in Class29
- In ServiceYes
◈Displacement5MOD.5
- Surfaced Displacement1,595 t
- Submerged Displacement2,455 t
- Length95 m
- Beam8.3 m
- Draft5.18 m
▣Propulsion6MOD.6
- PropulsionDiesel-Electric
- Nuclear-PoweredNo
- Air-Independent Propulsion (AIP)No
- Shaft Power4,025 kW
- Top Speed (surfaced)20.25 kn
- Top Speed (submerged)8.75 kn
◇Diving & Endurance4MOD.4
- Test Depth122 m
- Submerged Endurance2 day
- Patrol Duration75 day
- Complement (crew)81
◆Armament7MOD.7
- Torpedo Tubes10
- Torpedo Tube Diameter533 mm
- VLS Cells0
- Cruise MissilesNo
- Ballistic Missiles (SLBM)No
- SLBM Count0
- Mine-Laying CapableNo
▤Production & Cost2MOD.2
- First of Class1944
- Operators10
⬢Fleet Status5MOD.5
- Completed29
- Active1
- Lost1
- Retired27
- Preserved3
▲Armour1MOD.1
- Armournone
03 / History
SERVICE LIFESPANStill in Service
- 1939First deployment: World War II
- 1944Production started
- 1951Production ended
- 1973Sale: Taiwan (1 units)
82
years in service
7
years in production
29
units produced
6
countries operating
ⓘ The producing country still actively operates it. 4 countries retired it.
04 / Operators
Operator Countries10country
Tench-class submarineSALES1records
| Year | Buyer | Quantity | Amount | Present Value (2025) |
|---|---|---|---|---|
| 1973 |  Taiwan | 1 | — | — |
ⓘ "Present Value" is an estimated amount adjusted for inflation.
05 / MASS Score
Not enough weapon data to rank this category.
📖 TERMS ON THIS PAGE1terms
Propulsion system combining diesel engines to generate electricity, which powers electric motors driving the vessel's propellers.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources