| No. | Location | In Service | Withdrawn | Condition | Livery |
| AZ 1 | Converted to ACZ 251 - 29 May 1985 | ||||
| AZ 2 | Converted to ACZ 252 - 10 July 1985 | ||||
| AZ 3 | Converted to ACZ 253 - 23 February 1984 | ||||
| AZ 4 | Steamrail | Converted to ACZ 254 - 11 October 1984. Converted back from BTN 254 - 19 September 2023 | ? | ||
| AZ 5 | Converted to ACZ 255 - 20 August 1984 | ||||
| AZ 6 | Converted to ACZ 256 - 10 December 1984 | ||||
| AZ 7 | Converted to ACZ 257 - 25 June 1985 | ||||
| AZ 8 | Converted to ACZ 258 - 4 April 1985 | ||||
| AZ 9 | Converted to VBK 4 - 19 December 1961 | ||||
| AZ 10 | Converted to VBK 2 - 10 October 1961 | ||||
| AZ 11 | Converted to VBK 3 - 17 October 1961 | ||||
| AZ 12 | Converted to VBK 1 - 11 September 1961 | ||||
| AZ 13 | Converted to VBK 5 - 23 November 1961 |