KMS Widder Technical Information
Name: KMS Widder, Schiff 21, Hilfskreuzer III.
Type: heavy auxiliary cruiser.
Ex-name: Neumark, freighter.
Owner: Hamburg Amerika Line.
Builder: Howaldtswerke, Kiel.
Date of construction: 1930.
Converted by: Blohm & Voss.
Date of conversion: 1939-40.
Date of commission: 9 December 1939.
Tonnage: 7,851.
Displacement: 16,800 tons.
Length: 152m (Lloyds Register).
Beam: 18.2m.
Draught: 8.3m.
Freeboard: 12.2m.
Fuel type: oil.
Fuel capacity: 4,500 tons.
Speed: 14 knots.
Range: 34,000 nautical miles at 10 knots.
Cruising endurance: 141 days at 10 knots.
Maximum horse power: 6,200, turbines.
Propulsion: one geared turbine, 4 boilers.
Propellers: 1.
Number of decks: 2.
Number of holds: 6.
Number of compartments: 9.
Crew: 363.
Aircraft carried: two He 114Bs.
Mines carried: ?
Armament: six 5.9in (6x1), one 75mm, two 37mm (1x2),
two 20mm (2x1), four 21-inch torpedo tubes (2x2).
Length of cruise: 180 days, 5 May 1940 to 31 October 1941.
Ships sunk or taken:
| Nationality | Type | Name | Tonnage | Date | Result |
| Great Britain | Tanker | British Petrol | 6,891 | 13 June 1940 | Sunk |
| Norway | Tanker | Krosfonn | 9,323 | 26 June 1940 | Prize |
| Great Britain | Freighter | Davisian | 6,433 | 10 July 1940 | Sunk |
| Great Britain | Freighter | King John | 5,228 | 13 July 1940 | Sunk |
| Norway | Tanker | Beaulieu | 6,114 | 4 August 1940 | Sunk |
| The Netherlands | Freighter | Oosplein | 5,059 | 8 August 1940 | Sunk |
| Finland | Barque | Killoran | 1,817 | 10 August 1940 | Sunk |
| Great Britain | Freighter | Anglo Saxon | 5,596 | 21 August 1940 | Sunk |
| Great Britain | Tanker | Cymbeline | 6,317 | 2 September 1940 | Sunk |
| Greece | Freighter | Antonios Chandris | 5,866 | 8 September 1940 | Sunk |
| Grand total 10 ships | 58,644 | ||||