Type IXC/40

87 Commissioned

U-boat Builder Werk # Built:
U-167 - U-170 Seebeck yard, Bremen 706 - 709 1941-1943
U-183 - U-194 AG Weser, Bremen 1023 - 1040 1941-1943
U-525 - U-532 Deutsche Werft, Hamburg 340 - 347 1941-1942
U-533 - U-538 Deutsche Werft, Hamburg 351 - 357 1942-1943
U-539 - U-550 Deutsche Werft, Hamburg 360 - 371 1942-1943
U-801 - U-806 Seebeck yard, Bremen 710 - 715 1941-1943
U-841 - U-846 AG Weser, Bremen 1047 - 1052 1942-1943
U-853 - U-858 AG Weser, Bremen 1059 - 1064 1942-1943
U-865 - U-870 AG Weser, Bremen 1073 - 1078 1943-1944
U-877 - U-881 AG Weser, Bremen 1085 - 1089 1943-1944
U-889 AG Weser, Bremen 1097 1943-1944
U-1221 - U-1226 Deutsche Werft, Hamburg 384 - 389 1942-1943
U-1227 - U-1235 Deutsche Werft, Hamburg 390 - 398 1943-1944

These boats were a slight modification of type IXC. They had a slightly increased range, somewhat higher surface speed and were a bit heavier at 1545 tons fully loaded and submerged.
 

Technical information

Displacement:
(tons)
1120 (sf)
1232 (sm)
1545 (total)
Length: (m) 76,76 oa
58,75 ph
Beam: (m) 6,86 oa
4,44 ph
Draught: 4,67 m
Height: 9,60 m
Power: (hp) 4400 (sf)
1000 (sm)

Speed:
(knots)
19 (sf)
7,3 (sm)
Range:
(miles / knots)
13850/10 (sf)
63/4 (sm)
Torpedoes: 22
4/2 (bow / stern tubes)
Mines: 44 TMA
Deck gun: 105/45
110 rounds
Crew: 48-56 men
Max depth: ca. 230 m
(755 feet)

sm = submerged, sf = surfaced, ph = pressure hull,
oa = overall, hp = horsepower.