Allied Warships

Motor torpedo boats

ELCO 77' class

39 ships


The motor torpedo boat USS PT 20 of the US Navy.

Technical information

TypeMotor torpedo boat
Displacement46 BRT 
Length77 feet 
Complement10 men 
Armament1 20mm
4 MG (2x2)
4 21" torpedo tubes 
Max speed42 knots
Engines3 engines, 3 shafts 
Power3600 HP 
Notes on class 

US Navy US Navy ships of the ELCO 77' class

To see all ELCO 77' class ships click here.

USS PT 20
USS PT 21
USS PT 22
USS PT 23
USS PT 24
USS PT 25
USS PT 26
USS PT 27
USS PT 28 Lost on 12 Jan 1943
USS PT 29
USS PT 30
USS PT 31 Lost on 20 Jan 1942
USS PT 32 Lost on 13 Mar 1942
USS PT 33 Lost on 15 Dec 1941
USS PT 34 Lost on 9 Apr 1942
USS PT 35 Lost on 12 Apr 1942
USS PT 36
USS PT 37 Lost on 1 Feb 1943
USS PT 38
USS PT 39
USS PT 40
USS PT 41 Lost on 15 Apr 1942
USS PT 42
USS PT 43 Lost on 11 Jan 1943
USS PT 44 Lost on 12 Dec 1942
USS PT 45
USS PT 46
USS PT 47
USS PT 48
USS PT 49 (To Britain as BPT 1)
USS PT 50 (To Britain as BPT 2)
USS PT 51 (To Britain as BPT 3)
USS PT 52 (To Britain as BPT 4)
USS PT 53 (To Britain as BPT 5)
USS PT 54 (To Britain as BPT 6)
USS PT 55 (To Britain as BPT 7)
USS PT 56 (To Britain as BPT 8)
USS PT 57 (To Britain as BPT 9)
USS PT 58 (To Britain as BPT 10)
USS PT 59
USS PT 60
USS PT 61
USS PT 62
USS PT 63 Lost on 18 Jun 1944
USS PT 64
USS PT 65
USS PT 66
USS PT 67 Lost on 17 Mar 1943
USS PT 68 Lost on 30 Sep 1943


39 Motor torpedo boats (49 names) of the ELCO 77' class. 13 of them were lost.

See all US Navy Motor torpedo boat classes.


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