| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 163 | F | 0-6-0ST | 42" | NZGR | Feilding & District Steam Rail Society, Feilding, MWT | operational | Dübs & Co. (Scotland) #1367, 1880 | Named Ivanhoe. |
| 794 | Wab | 4-6-4T | 42" | Feilding & District Steam Rail Society, Feilding, MWT | operational | NZGR Hillside Workshops #251, 1927 | ||
| 13 | F | 0-6-0ST | 42" | NZGR | Ferrymead Heritage Park, Ferrymead, CAN | operational | Neilson & Co. #1692, 1872 | Run by the Canterbury Railway Society. Named Peveril. Previously named Edie Ochiltree. Oldest operating steam locomotive in New Zealand. |
| 140 | D | 2-4-0T | 42" | NZGR | Ferrymead Heritage Park, Ferrymead, CAN | operational | Scott Bros. #36, 1887 | Run by the Canterbury Railway Society. |
| 192 | W | 2-6-2T | 42" | NZGR | Ferrymead Heritage Park, Ferrymead, CAN | operational | NZGR Addington Workshops #1, 1889 | Run by the Canterbury Railway Society. |
| 165 | Wa | 2-6-2T | 42" | NZGR | Gisborne City Vintage Railway, Gisborne, GIS | operational | NZGR Hillside Workshops #19, 1897 | |
| 0-6-0T | 42" | State Mines Rotowaro | Pukemiro Line, Glen Afton, WKO | operational | Peckett & Sons #1630, 1923 | Run by the Bush Tramway Club. | ||
| 117 | Cb | Price2Tr | 42" | Auckland City Council | Pukemiro Line, Glen Afton, WKO | operational | A&G Price #117, 1927 | Run by the Bush Tramway Club. |
| 644 | Ww | 4-6-4T | 42" | NZGR | Glenbrook Vintage Railway, Glenbrook, AUK | operational | NZGR Hillside Workshops #179, 1915 | |
| 480 | Ww | 4-6-4T | 42" | NZGR | Glenbrook Vintage Railway, Glenbrook, AUK | operational | NZGR Hillside Workshops #104, 1910 | |
| 1250 | Ja | 4-8-2 | 42" | NZGR | Glenbrook Vintage Railway, Glenbrook, AUK | operational | NZGR Hillside Workshops #373, 1949 | Named Diana. |
| 1275 | Ja | 4-8-2 | 42" | NZGR | Glenbrook Vintage Railway, Glenbrook, AUK | operational | North British Locomotive Co. #27104, 1951 | |
| 1211 | J | 4-8-2 | 42" | NZGR | Mainline Steam, Glenbrook, AUK | operational | North British Locomotive Co. #24534, 1939 | Named Gloria. Underoing boiler overhaul. |
| 1730 | 4-4-0T | 42" | Wilson's Portland Cement Co. | Bay of Islands Vintage Railway, Kawakawa, NTL | operational | Peckett & Sons #1730, 1927 | Named Gabriel. Construction started in 1915 but not completed until 1927. | |
| 795 | Ab | 4-6-2 | 42" | NZGR | Kingston Flyer, Kingston, OTA | operational | NZGR Hillside Workshops #252, 1927 | Will operate again beginning in the summer of 2022. |
| 92 | K | 2-4-2 | 42" | NZGR | Waimea Plains Railway, Mandeville, STL | operational | Rogers #2468, 1878 | Runs with one carriage. |
| 548 | 0-4-0T | 42" | Public Works Department | Steam Scene, McLeans Island, CAN | operational | John Fowler & Co. #16246, 1924 | Run by the Canterbury Steam Preservation Society. | |
| Price2Tr | 42" | Ogilvie & Co. | Steam Scene, McLeans Island, CAN | operational | A&G Price #148, 1943 | Run by the Canterbury Steam Preservation Society. Named Gladstone. | ||
| 1240 | Ja | 4-8-2 | 42" | NZGR | Mainline Steam, Middleton, CAN | operational | NZGR Hillside Workshops #363, 1946 | Named Jessica. |
| 942 | Ka | 4-8-4 | 42" | NZGR | Mainline Steam, Middleton, CAN | operational | NZGR Hillside Workshops #325, 1940 | Named Nigel Bruce. |
| 10 | B | 0-4-0ST | 42" | Milburn Lime & Cement | Oamaru Steam & Rail, Oamaru, OTA | operational | Hudswell, Clarke & Co. #1542, 1924 | |
| 608 | Ab | 4-6-2 | 42" | NZGR | Steam Incorporated, Paekakariki, WGN | operational | NZGR Addington Workshops #163, 1915 | |
| 1271 | Ja | 4-8-2 | 42" | NZGR | Steam Incorporated, Paekakariki, WGN | operational | NZGR Hillside Workshops #394, 1956 | |
| 508 (208) | L | 2-4-0T | 42" | Public Works Department | Shantytown, Paroa, WTC | operational | Avonside Engine (Bristol) #1206, 1877 | Named Gertie. From NZGR. |
| 16 | D | 2-4-0T | 42" | NZGR | Pleasant Point Railway & Historical Society, Pleasant Point, CAN | operational | Neilson & Co. #2306, 1878 | |
| 699 | Ab | 4-6-2 | 42" | NZGR | Pleasant Point Railway & Historical Society, Pleasant Point, CAN | operational | A&G Price #94, 1922 | |
| 663 | Ab | 4-6-2 | 42" | NZGR | Mainline Steam, Plimmerton, WGN | operational | NZGR Addington Workshops #188, 1917 | Named Sharon Lee. |
| 1236 | Jb | 4-8-2 | 42" | Mainline Steam, Plimmerton, WGN | operational | North British Locomotive Co. #24559, 1939 | Named Joanne. Undergoing 10 year boiler survey. | |
| 5 | 0-4-0T | 42" | Napier Harbour Board | Silver Stream Railway, Silverstream, WGN | stored operational | John Fowler & Co. #16342, 1925 | Sold. | |
| 531 (50) | Ws | 0-4-0T | 42" | Public Works Department | Silver Stream Railway, Silverstream, WGN | operational | Andrew Barclay Sons & Co. #1749, 1921 | Leased from Hawkes Bay Steam Society. Originally bought by Public Works Dept. later sold to NZGR. |
| 509 (219) | L | 2-4-0T | 42" | Public Works Department | Silver Stream Railway, Silverstream, WGN | operational | Avonside Engine (Bristol) #1207, 1877 | From NZGR. |
| 847 | C | 2-6-2 | 42" | NZGR | Silver Stream Railway, Silverstream, WGN | operational | NZGR Hillside Workshops #255, 1930 | |
| 67 | A | 0-4-0T | 42" | NZGR | Ocean Beach Railway, St. Kilda, OTA | operational | Dübs & Co. (Scotland) #647, 1873 | |
| Haig | 0-6-0T | 42" | Kempthorne & Prosser | Ocean Beach Railway, St. Kilda, OTA | operational | Kerr, Stuart & Co. (Stoke on Trent) #4185, 1929 | ||
| 64 | A | 0-4-0T | 42" | NZGR | Plains Vintage Railway & Historical Museum, Tinwald, CAN | operational | Dübs & Co. (Scotland) #651, 1873 | |
| 88 | K | 2-4-2 | 42" | NZGR | Plains Vintage Railway & Historical Museum, Tinwald, CAN | operational | Rogers #2454, 1877 | Named Washington. |
| 1260 | Ja | 4-8-2 | 42" | NZGR | Plains Vintage Railway & Historical Museum, Tinwald, CAN | operational | NZGR Hillside Workshops #383, 1952 | |
| 6 | 0-4-0T | 42" | Napier Harbour Board | Tokomaru Steam, Tokomaru, MWT | operational | John Fowler & Co. #16343, 1925 | ||
| 428 | A | 4-6-2 | 42" | NZGR | Weka Pass Railway, Waipara, CAN | operational | A&G Price #31, 1909 | |
| 0-4-0WT | 42" | NZ Cement Co. | Museum of Transport & Technology, Western Springs, AUK | operational | Orenstein & Koppel #1411, 1904 | Located in MOTAT 2. Named Bertha. | ||
| 542 | Y | 0-6-0T | 42" | NZGR | Museum of Transport & Technology, Western Springs, AUK | operational | Hunslet Engine Co. #1444, 1923 | Located in MOTAT 2. |
| 507 (207) | L | 2-4-0T | 42" | Public Works Department | Museum of Transport & Technology, Western Springs, AUK | operational | Avonside Engine (Bristol) #1205, 1877 | Located in MOTAT 2. From NZGR. |
| 4 | 0-4-2T | 42" | Wilson's Portland Cement Co. | Whangarei Steam & Model Railway Club, Whangarei, NTL | operational | Peckett & Sons #2157, 1955 | Named Seymour. |