WWI U-boat Types


Type U 17


The following is a listing of all the U-boat types that served in WWI.

Boats built for export

U 66 (5), UA (1)

Gasoline-powered boats

U 1 (1), U 2 (1), U 3 (2), U 5 (4), U 9 (4), U 13 (3), U 16 (1), U 17 (2)

Ocean-going diesel-powered torpedo attack boats

U 19 (4), U 23 (4), U 27 (4), U 31 (11), U 43 (8), U 51 (6), U 57 (12), U 63 (3), Large Ms. (4), U 81 (6), U 87 (6), U 93 (22)

U-Cruisers and Merchant U-boats

U 151 (7), U 139 (3), U 142 (1)

UB coastal torpedo attack boats

UB I (17), UB II (30), UB III (89)

UC coastal minelayers

UC I (15), UC II (64), UC III (16)

UE ocean minelayers

UE 1 (10), UE 2 (9)


Before the end of WWI 375 U-boats of 33 separate classes belonging to 7 general types had been commissioned. Additional boats were finished after the war, the last one being UB-133 in April 1919.


Shipyards

See all the shipyards that built U-boats before and during WWI.