German submarine U-753

History
Nazi Germany
Name	U-753
Ordered	9 October 1939
Builder	Kriegsmarinewerft Wilhelmshaven
Yard number	136
Laid down	3 January 1940
Launched	26 April 1941
Commissioned	18 June 1941
Fate	Sunk on 13 May 1943
General characteristics
Class & type	Type VIIC submarine
Displacement	769 tonnes (757 long tons) surfaced; 871 t (857 long tons) submerged;
Length	67.10 m (220 ft 2 in) o/a; 50.50 m (165 ft 8 in) pressure hull;
Beam	6.20 m (20 ft 4 in) o/a; 4.70 m (15 ft 5 in) pressure hull;
Height	9.60 m (31 ft 6 in)
Draught	4.74 m (15 ft 7 in)
Installed power	2,800–3,200 PS (2,100–2,400 kW; 2,800–3,200 bhp) (diesels); 750 PS (550 kW; 740 shp) (electric);
Propulsion	2 shafts; 2 × diesel engines; 2 × electric motors;
Speed	17.7 knots (32.8 km/h; 20.4 mph) surfaced; 7.6 knots (14.1 km/h; 8.7 mph) submerged;
Range	8,500 nmi (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph) surfaced; 80 nmi (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged;
Test depth	230 m (750 ft); Crush depth: 250–295 m (820–968 ft);
Complement	4 officers, 40–56 enlisted
Armament	5 × 53.3 cm (21 in) torpedo tubes (four bow, one stern); 14 × torpedoes or 26 TMA mines; 1 × 8.8 cm (3.46 in) deck gun (220 rounds); 1 x 2 cm (0.79 in) C/30 AA gun;
Service record
Part of:	3rd U-boat Flotilla; 18 June 1941 – 13 May 1943;
Identification codes:	M 44 578
Commanders:	K.Kapt. / F.Kapt. Alfred Manhardt von Mannstein; 18 June 1941 – 13 May 1943;
Operations:	7 patrols:; 1st patrol:; 24 – 30 December 1941; 2nd patrol:; 17 January – 1 February 1942; 3rd patrol:; 26 February – 26 March 1942; 4th patrol:; 22 April – 25 June 1942; 5th patrol:; a. 1 – 4 September 1942; b. 20 September – 8 December 1942; 6th patrol:; 28 January – 10 March 1943; 7th patrol:; 5 – 13 May 1943;
Victories:	3 merchant ships sunk ; (23,117 GRT); 2 merchant ships damaged ; (6,908 GRT);

German submarine U-753 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. Commissioned on 18 June 1941, she served with 3rd U-boat Flotilla until 30 November as a training boat, and as a front boat until 13 May 1943 under the command of Fregattenkapitän Alfred Manhardt von Mannstein.

History

Nazi Germany
Name	U-753
Ordered	9 October 1939
Builder	Kriegsmarinewerft Wilhelmshaven
Yard number	136
Laid down	3 January 1940
Launched	26 April 1941
Commissioned	18 June 1941
Fate	Sunk on 13 May 1943
General characteristics
Class & type	Type VIIC submarine
Displacement	769 tonnes (757 long tons) surfaced 871 t (857 long tons) submerged
Length	67.10 m (220 ft 2 in) o/a 50.50 m (165 ft 8 in) pressure hull
Beam	6.20 m (20 ft 4 in) o/a 4.70 m (15 ft 5 in) pressure hull
Height	9.60 m (31 ft 6 in)
Draught	4.74 m (15 ft 7 in)
Installed power	2,800–3,200 PS (2,100–2,400 kW; 2,800–3,200 bhp) (diesels) 750 PS (550 kW; 740 shp) (electric)
Propulsion	2 shafts 2 × diesel engines 2 × electric motors
Speed	17.7 knots (32.8 km/h; 20.4 mph) surfaced 7.6 knots (14.1 km/h; 8.7 mph) submerged
Range	8,500 nmi (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph) surfaced 80 nmi (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth	230 m (750 ft) Crush depth: 250–295 m (820–968 ft)
Complement	4 officers, 40–56 enlisted
Armament	5 × 53.3 cm (21 in) torpedo tubes (four bow, one stern) 14 × torpedoes or 26 TMA mines 1 × 8.8 cm (3.46 in) deck gun (220 rounds) 1 x 2 cm (0.79 in) C/30 AA gun
Service record
Part of:	3rd U-boat Flotilla 18 June 1941 – 13 May 1943
Identification codes:	M 44 578
Commanders:	K.Kapt. / F.Kapt. Alfred Manhardt von Mannstein 18 June 1941 – 13 May 1943
Operations:	7 patrols: 1st patrol: 24 – 30 December 1941 2nd patrol: 17 January – 1 February 1942 3rd patrol: 26 February – 26 March 1942 4th patrol: 22 April – 25 June 1942 5th patrol: a. 1 – 4 September 1942 b. 20 September – 8 December 1942 6th patrol: 28 January – 10 March 1943 7th patrol: 5 – 13 May 1943
Victories:	3 merchant ships sunk (23,117 GRT) 2 merchant ships damaged (6,908 GRT)