| No. | Location | In Service | Withdrawn | Condition | Livery |
| NM 1, NMM 1 | April 1903 | Recoded to NM 1 - 1926. Scrapped - 19 July 1956 | |||
| NM 2, NMM 2 | 28 February 1902 | Recoded to NM 2 - 1926. Sold - January 1954 | |||
| NM 3, NMM 3 | 30 January 1903 | Recoded to NM 3 - 1926. Scrapped - 19 July 1956 | |||
| NM 4, NMM 4 | 7 April 1903 | Recoded to NM 4 - 1926. Scrapped - 19 July 1956 | |||
| NM 5, NMM 5 | Recoded to NM 5 - 1926. Scrapped - 31 December 1954 | ||||
| NM 6, NMM 6 | Puffing Billy | Recoded to NM 6 - 1926. Scrapped - December 1953. To Puffing Billy. Recorded back to NMM 6- July 1956. Awaiting restoration | Red | ||
| NM 7, NMM 7 | Recoded to NM 7 - 1926. Scrapped - 31 December 1953 | ||||
| NM 8, NMM 8 | Recoded to NM 8 - 1926. Sold - January 1954 | ||||
| NM 9, NMM 9 | Recoded to NM 9 - 1926. Scrapped - 19 July 1956 | ||||
| NM 10, NMM 10 | Recoded to NM 10 - 1926. Scrapped - 19 July 1956 | ||||
| NM 11, NMM 11 | Recoded to NM 11 - 1926. Not traced in stocktake - 19 October 1957 | ||||
| NM 12, NMM 12 | Recoded to NM 12 - 1926. Scrapped - 31 December 1954 | ||||
| NM 13, NMM 13 | Puffing Billy | Recoded to NM 13 - 1926. Sold to Puffing Billy - 19 April 1967. Operational | Red | ||
| NM 14, NMM 14 | Recoded to NM 14 - 1926. Scrapped - 15 December 1954 | ||||
| NM 15, NMM 15 | Recoded to NM 15 - 1926. Sold - January 1954 |