KMS Thor Technical Information
Name: KMS Thor, Schiff 10, Hilfskreuzer IV
Type: light auxiliary cruiser
Ex-name: Santa Cruz, freighter
Owner: Oldenburg-Portugiesische Line
Builder: Deutsche Werft AG Hamburg-Finkenwärder
Date of construction: 1938
Converted by: Deutsche Werft AG
Date of conversion: 1939-40
Date of commission: 15 March 1940
Tonnage: 3,862
Displacement: 9,200 tons
Length: 122m (Lloyds Register)
Beam: 16.7m
Draught: 7.1m
Freeboard: 10.5m
Fuel type: oil
Fuel capacity: 3,144 tons
Speed: 18 knots
Range: 40,000 nautical miles at 10 knots
Cruising endurance: 166 days at 10 knots
Maximum horse power: 6,500hp, turbines
Propulsion: one geared turbine, 4 boilers
Propellers: 1
Number of decks: 2
Number of holds: 6
Number of compartments: 9
Crew: 345
Mines carried: ?
Armament: six 5.9-inch (6x1), one 60mm, two 37mm (1x2), four 20mm (4x1), four 21-inch torpedo tubes (2x2)
Aircraft carried: one Ar 196A-1
Length of cruise: 329 days, 6 June 1940 to 30 April
1941; 324 days, 20 November 1941 to 10 October 1942
Ships sunk or taken:
| Nationality | Type | Name | Tonnage | Date | Result |
| First Cruise | |||||
| The Netherlands | Freighter | Kertosono | 9,289 | 1 July 1940 | Prize |
| Great Britain | Freighter | Delambre | 7,032 | 7 July 1940 | Sunk |
| Belgium | Freighter | Bruges | 4,983 | 9 July 1940 | Sunk |
| Great Britain | Freighter | Gracefield | 4,631 | 14 July 1940 | Sunk |
| Great Britain | Freighter | Wendover | 5,489 | 16 July 1940 | Sunk |
| The Netherlands | Freighter | Tela | 3,777 | 17 September 1940 | Sunk |
| Norway | Whale-oil Tanker | Kosmos | 17,801 | 26 September 1940 | Sunk |
| Great Britain | Freighter | Natia | 8,715 | 8 October 1940 | Sunk |
| Sweden | Freighter | Trolleholm | 5,047 | 25 March 1941 | Sunk |
| Great Britain | Passenger | Britannia | 8,799 | 25 March 1941 | Sunk |
| Great Britain | Passenger | Voltaire, AMC | 13,245 | 4 April 1941 | Sunk |
| Sweden | Freighter | Sir Ernest Cassel | 7,739 | 16 April 1941 | Sunk |
| Total 12 ships | 96,547 | ||||
| Second Cruise | |||||
| Greece | Freighter | Pagasitikos | 3,492 | 23 March 1942 | Sunk |
| Great Britain | Freighter | Wellpark | 4,649 | 30 March 1942 | Sunk |
| Great Britain | Freighter | Willesden | 4,563 | 1 April 1942 | Sunk |
| Norway | Freighter | Aust | 5,630 | 3 April 1942 | Sunk |
| Great Britain | Freighter | Kirkpool | 4,842 | 10 April 1942 | Sunk |
| Great Britain | Freighter | Nankin | 7,131 | 10 May 1942 | Prize |
| The Netherlands | Tanker | Olivia | 6,307 | 14 June 1942 | Sunk |
| Norway | Tanker | Herborg | 7,892 | 19 June 1942 | Prize |
| Norway | Tanker | Madrono | 5,894 | 4 July 1942 | Prize |
| Great Britain | Freighter | Indus | 5,187 | 20 July 1942 | Sunk |
| Total 10 ships | 55,587 | ||||
| Grand total 22 ships | 152,134 | ||||