| Career (Nazi Germany) | |
|---|---|
| Name: | U-493 |
| Ordered: | 22 September 1942 |
| Builder: | Deutsche Werke, Kiel |
| Yard number: | 324 |
| Laid down: | 25 September 1943 |
| Fate: | 75% complete when cancelled. Scrapped while still on the building ways, 1944 |
| General characteristics | |
| Class and type: | German Type XIV submarine |
| Displacement: | 1,668 long tons (1,695 t) surfaced 1,932 long tons (1,963 t) submerged |
| Length: | 67.1 m (220 ft 2 in) overall 47.5 m (155 ft 10 in) pressure hull |
| Beam: | 9.35 m (30 ft 8 in) overall 4.9 m (16 ft 1 in) pressure hull |
| Height: | 11.7 m (38 ft 5 in) |
| Draft: | 6.5 m (21 ft 4 in) |
| Propulsion: | 2 × Germaniawerft F46 supercharged 6-cylinder diesel engines, 3,200 hp (2,400 kW) 2 × SSW Gu343/388-8 double-acting electric motors 750 hp (560 kW) |
| Speed: | 14.9 knots (27.6 km/h) surfaced 6.2 knots (11.5 km/h) submerged |
| Range: | 12,350 nmi (22,870 km) at 10 kn (19 km/h) surfaced 55 nmi (102 km) at 4 kn (7.4 km/h) submerged |
| Test depth: | 240 m (790 ft) |
| Complement: | 53–60 men |
| Armament: | • 2 × 37 mm AA guns • 2 × 20 mm AA guns |
Had she been completed, U-493 would have been a Type XIV supply and replenishment U-boat ("Milchkuh") of the of the German Kriegsmarine during World War II.
Her keel was laid down on 25 September 1943, by Deutsche Werke of Kiel. However, extreme losses amongst the existing fleet of Milchkuh submarines led Karl Dönitz to conclude further production of these boats was not a viable plan. All fourteen outstanding orders for type XIV submarines were cancelled. Plans for a type XX Milchkuh were dropped and the thirty planned boats of that class were cancelled.
U-493 was never launched, and was broken up on the building ways after reaching about 75% completion.
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