| Class | Wheel Arr- angement |
Dr. Dia. |
Cylinders Diameter xStroke |
Boiler Press. |
Ad. Wt. |
EW WO |
Grate Area |
Evap. Surface |
Sup. Surface |
Remarks |
| A | 0-4-0T | 30in | 8x15in | 100psi | 11t | 11t | 4sq.ft. | 270sq.ft. | none | 1873 |
| A | 4-6-2 | 54in | 12/19x22in | 225psi | 33t | 52t | 30sq.ft. | 1725sq.ft. | none | Or 13/19x22in |
| A | 4-6-2 | 54in | 12/19x22in | 225psi | 34t | 52t | 28sq.ft. | 960sq.ft. | 170sq.ft. | NZR suph't'r |
| A | 4-6-2 | 54in | 12/19x22in | 225psi | 34t | 52t | 28sq.ft. | 1050sq.ft. | 170sq.ft. | MLS suph't'r |
| A | 4-6-2 | 54in | 18x22in | 190psi | 34t | 52t | 28sq.ft. | 1050sq.ft. | 170sq.ft. | Rebuilt |
| A | 4-6-2 | 54in | 17x26in | 180psi | 33t | 51t | 30sq.ft. | 1000sq.ft. | 170sq.ft. | 409 |
| Aa | 4-6-2 | 49in | 18x24in | 180psi | 35t | 52t | 28sq.ft. | 1460sq.ft. | 255sq.ft. | Baldwin 1914 |
| Aa | 4-6-2 | 49in | 18x24in | 180psi | 35t | 55t | 33sq.ft. | 1150sq.ft. | 185sq.ft. | Ab boiler |
| Ab | 4-6-2 | 54in | 17x26in | 180psi | 30t | 53t | 33sq.ft. | 1150sq.ft. | 185sq.ft. | MLS suph't'r |
| Ab | 4-6-2 | 54in | 17x26in | 180psi | 30t | 53t | 33sq.ft. | 1050sq.ft. | 185sq.ft. | NZR suph't'r |
| B | 0-4-4-0T | 39in | 9x16in | 130psi | 28t | 28t | 15sq.ft. | 770sq.ft. | none | Fairlie 1874 |
| B | 4-8-0 | 42in | 16x22in | 200psi | 32t | 44t | 17sq.ft. | 1040sq.ft. | none | 1899 |
| B | 4-8-0 | 42in | 16x22in | 175psi | 32t | 44t | 17sq.ft. | 685sq.ft. | 125sq.ft. | Reboilered |
| B | 4-8-0 | 42in | 16x22in | 200psi | 32t | 44t | 26sq.ft. | 770sq.ft. | 125sq.ft. | Rebuilt |
| Ba | 4-8-0 | 42in | 16x22in | 175psi | 33t | 45t | 17sq.ft. | 1005sq.ft. | none | |
| Ba | 4-8-0 | 42in | 16x22in | 175psi | 33t | 45t | 17sq.ft. | 790sq.ft. | 205sq.ft. | |
| Ba | 4-8-0 | 42in | 16x22in | 175psi | 33t | 45t | 17sq.ft. | 715sq.ft. | 295sq.ft. | |
| Ba | 4-8-0 | 42in | 16x22in | 175psi | 33t | 45t | 17sq.ft. | 685sq.ft. | 125sq.ft. | Reboilered |
| Ba | 4-8-0 | 42in | 16x22in | 200psi | 33t | 45t | 26sq.ft. | 770sq.ft. | 125sq.ft. | Rebuilt |
| Bb | 4-8-0 | 42in | 17x22in | 175psi | 33t | 44t | 17sq.ft. | 730sq.ft. | 160sq.ft. | |
| C | 0-4-0T | 30in | 9½x18in | 120psi | 15t | 15t | 7sq.ft. | 390sq.ft. | none | 1873 |
| C | 0-4-2T | 30in | 9½x18in | 120psi | 14t | 16t | 7sq.ft. | 390sq.ft. | none | Rebuilt |
| C | 2-6-2 | 45in | 14x22in | 200psi | 26t | 40t | 24sq.ft. | 725sq.ft. | 140sq.ft. | 1930 |
| D | 2-4-0T | 36in | 9½x18in | 130psi | 12t | 15t | 7sq.ft. | 390sq.ft. | none | 1874 |
| D | 0-4-0T | 42in | 7x10(4)in | 300psi | 26t | 26t | 13sq.ft. | 320sq.ft. flash | Clayton 1929 | |
| E | 0-4-4-0T | 45in | 10x18in(4) | 130psi | 25t | 25t | 10sq.ft. | 840sq.ft. | none | Fairlie, VF 1872 |
| E | 0-4-4-0T | 39in | 10x18in(4) | 130psi | 37t | 37t | 16sq.ft. | 845sq.ft. | none | Avonside 1875 |
| E | 2-6-6-0T | 36in | 9½(4)/16(4)x18in | 200psi | 61t | 66t | 26sq.ft. | 1540sq.ft. | none | Vauclain, 1905 |
| F | 0-6-0T | 36in | 10½x18in | 160psi | 20t | 20t | 10sq.ft. | 385sq.ft. | none | |
| F | 0-6-0T | 36in | 10½x18in | 140psi | 21t | 21t | 9sq.ft. | 485sq.ft. | none | Neilson 1888 |
| Fa | 0-6-2T | 36in | 12x18in | 160psi | 26t | 30t | 9sq.ft. | 405sq.ft. | none | Ex F |
| G | 4-4-0T | 36in | 10½x18in | 130psi | 13t | 18t | 9sq.ft. | 485sq.ft. | none | BH 1873 |
| G | 4-6-2+2-6-4T | 57in | 16½x24in(6) | 200psi | 88t | 146t | 58sq.ft. | 2470sq.ft. | 540sq.ft. | Garratt 1938 |
| G | 4-6-2 | 57in | 16½x24in(3) | 200psi | 42t | 62t | 37sq.ft. | 1175sq.ft. | 185sq.ft. | Ex Garratt |
| H | 0-4-2FT | 32in | 14x16in | 160psi | 33t | 40t | 17sq.ft. | 795sq.ft. | none | 12x14in, 23½in Fell |
| H | 0-4-2FT | 32in | 14x16in | 145psi | 30t | 40t | 17sq.ft. | 975sq.ft. | none | 12x14in, 23½in Fell |
| J | 2-6-0 | 42in | 14x20in | 130psi | 18t | 22t | 12sq.ft. | 685sq.ft. | none | 1874 |
| J | 4-8-2 | 54in | 18x26in | 200psi | 45t | 70t | 39sq.ft. | 1470sq.ft. | 285sq.ft. | 1939, Streamlined |
| Ja | 4-8-2 | 54in | 18x26in | 200psi | 45t | 70t | 39sq.ft. | 1470sq.ft. | 285sq.ft. | |
| K | 2-4-2 | 49in | 12x20in | 130psi | 15t | 24t | 9sq.ft. | 590sq.ft. | none | Rogers 1877 |
| K | 4-8-4 | 54in | 20x26in | 200psi | 55t | 88t | 48sq.ft. | 1930sq.ft. | 480sq.ft. | 1932 |
| Ka | 4-8-4 | 54in | 20x26in | 200psi | 55t | 94t | 48sq.ft. | 1930sq.ft. | 480sq.ft. | Streamlined |
| Kb | 4-8-4 | 54in | 20x26in | 200psi | 55t | 95t | 48sq.ft. | 1930sq.ft. | 480sq.ft. | Str'd, booster |
| L | 2-4-0T | 36in | 10½x18in | 130psi | 13t | 19t | 9sq.ft. | 485sq.ft. | none | Avonside 1877 |
| L | 4-4-2T | 42in | 12x18in | 160psi | 17t | 32t | 11sq.ft. | 585sq.ft. | none | Also ex L, La |
| La | 4-4-0T | 42in | 12x18in | 160psi | 18t | 27t | 11sq.ft. | 585sq.ft. | none | Ex L |
| M | 0-6-0T | 42in | 13x20in | 130psi | 28t | 28t | 9sq.ft. | 585sq.ft. | none | Hunslet 1875 |
| M | 2-4-4T | 42in | 13x20in | 160psi | 16t | 31t | 11sq.ft. | 585sq.ft. | none | Rebuilt |
| N | 2-6-2 | 49in | 15x20in | 135psi | 21t | 32t | 16sq.ft. | 875sq.ft. | none | Baldwin 1885 |
| N | 2-6-2 | 49in | 9½/16x20in | 180psi | 21t | 32t | 16sq.ft. | 875sq.ft. | none | 27: rebuilt 1895 |
| N | 2-6-2 | 49in | 15x20in | 200psi | 23t | 34t | 16sq.ft. | 905sq.ft. | none | Baldwin 1901 |
| O | 2-8-0 | 36in | 15x18in | 130psi | 26t | 30t | 15sq.ft. | 910sq.ft. | none | Baldwin 1885 |
| P | 0-6-0T | 28in | 8x15in | 120psi | 12t | 12t | 4sq.ft. | 160sq.ft. | none | Davidson 1876 |
| P | 2-8-0 | 41in | 15x20in | 135psi | 28t | 34t | 16sq.ft. | 860sq.ft. | none | NW 1885 |
| Q | 2-4-4T | 48in | 11x18in | 130psi | 14t | 29t | 8sq.ft. | 425sq.ft. | none | Rogers 1878 |
| Q | 4-6-2 | 49in | 16x22in | 200psi | 31t | 49t | 40sq.ft. | 1685sq.ft. | none | Baldwin 1901 |
| Q | 4-6-2 | 49in | 16x22in | 200psi | 31t | 50t | 33sq.ft. | 1150sq.ft. | 185sq.ft. | Ab boiler |
| R | 0-6-4T | 36in | 12¼x16in | 160psi | 20t | 33t | 12sq.ft. | 555sq.ft. | none | Fairlie |
| S | 0-6-4T | 36in | 13x16in | 160psi | 23t | 38t | 14sq.ft. | 665sq.ft. | none | Fairlie |
| T | 2-8-0 | 36in | 15x18in | 160psi | 25t | 29t | 16sq.ft. | 920sq.ft. | none | Baldwin 1879 |
| U | 4-6-0 | 54in | 16x20in | 160psi | 27t | 39t | 16sq.ft. | 970sq.ft. | none | Original |
| U | 4-6-0 | 54in | 16x20in | 180psi | 27t | 39t | 16sq.ft. | 610sq.ft. | 110sq.ft. | Rebuilt |
| Ua | 4-6-0 | 54in | 16x20in | 175psi | 28t | 39t | 16sq.ft. | 970sq.ft. | none | SS 1899 |
| Ub | 4-6-0 | 49in | 16x20in | 175psi | 27t | 38t | 16sq.ft. | 1325sq.ft. | none | Baldwin 1898 |
| Ub | 4-6-0 | 49in | 16x20in | 200psi | 27t | 38t | 16sq.ft. | 1325sq.ft. | none | Baldwin 1901 |
| Ub | 4-6-0 | 49in | 16x20in | 200psi | 27t | 38t | 16sq.ft. | 725sq.ft. | 140sq.ft. | Rebuilt |
| Ub | 4-6-0 | 49in | 16x22in | 200psi | 30t | 41t | 17sq.ft. | 1345sq.ft. | none | Brooks 1901 |
| Ub | 4-6-0 | 49in | 16x22in | 180psi | 27t | 36t | 16sq.ft. | 870sq.ft. | 90sq.ft. | Richmond 1901 |
| Uc | 4-6-0 | 49in | 16x22in | 200psi | 28t | 40t | 17sq.ft. | 975sq.ft. | none | SS 1901 |
| Uc | 4-6-0 | 49in | 16x22in | 200psi | 27t | 40t | 16sq.ft. | 610sq.ft. | 110sq.ft. | Rebuilt |
| V | 2-6-2 | 49in | 15x20in | 135psi | 24t | 34t | 16sq.ft. | 860sq.ft. | none | NW 1885 |
| W | 2-6-2T | 36in | 14x20in | 150psi | 26t | 38t | 12sq.ft. | 685sq.ft. | none | 192 |
| W | 2-6-2T | 36in | 14x20in | 170psi | 26t | 38t | 12sq.ft. | 740sq.ft. | none | 238 |
| Wa | 2-6-2T | 39in | 14x20in | 170psi | 27t | 38t | 12sq.ft. | 740sq.ft. | none | 1892 |
| Wa | 2-6-2T | 42in | 14x20in | 160psi | 28t | 37t | 11sq.ft. | 555sq.ft. | none | 1917, ex J |
| Wab | 4-6-4T | 54in | 17x26in | 200psi | 43t | 76t | 33sq.ft. | 1150sq.ft. | 185sq.ft. | MLS suph't'r |
| Wab | 4-6-4T | 54in | 17x26in | 200psi | 43t | 76t | 33sq.ft. | 1050sq.ft. | 185sq.ft. | NZR suph't'r |
| Wb | 2-6-2T | 39in | 14x20in | 170psi | 30t | 41t | 17sq.ft. | 865sq.ft. | none | Baldwin 1898 |
| Wb | 2-6-2T | 39in | 14x20in | 170psi | 30t | 41t | 17sq.ft. | 830sq.ft. | none | 299 |
| Wd | 2-6-4T | 39in | 14x20in | 200psi | 30t | 44t | 18sq.ft. | 835sq.ft. | none | Baldwin 1901 |
| We | 4-6-4T | 42in | 16x22in | 180psi | 35t | 56t | 17sq.ft. | 1040sq.ft. | none | Ex B class |
| We | 4-6-4T | 42in | 16x22in | 200psi | 37t | 59t | 17sq.ft. | 685sq.ft. | 125sq.ft. | Reboilered |
| Wf | 2-6-4T | 45in | 14x22in | 200psi | 27t | 44t | 15sq.ft. | 730sq.ft. | none | 1904 |
| Wf | 2-6-4T | 45in | 14x22in | 200psi | 27t | 44t | 15sq.ft. | 535sq.ft. | 90sq.ft. | Reboilered |
| Wg | 4-6-4T | 45in | 14x22in | 200psi | 30t | 51t | 17sq.ft. | 740sq.ft. | none | 1910 |
| Wg | 4-6-4T | 45in | 14x22in | 200psi | 30t | 51t | 17sq.ft. | 520sq.ft. | none | Comb. chamber |
| Wg | 4-6-4T | 45in | 14x22in | 200psi | 30t | 51t | 17sq.ft. | 550sq.ft. | 90sq.ft. | Reboilered |
| Wj | 2-8-4T | 43in | 17x20in | 200psi | 38t | 54t | 17sq.ft. | 1080sq.ft. | none | WMR 3" |
| Ws | 4-6-4T | 54in | 17x26in | 200psi | 42t | 72t | 33sq.ft. | 1150sq.ft. | 185sq.ft. | Later Wab |
| Ws | 4-6-4T | 54in | 17x26in | 200psi | 42t | 72t | 33sq.ft. | 1090sq.ft. | 250sq.ft. | NZR suph't'r, 16 el. |
| Ws | 4-6-4T | 54in | 17x26in | 200psi | 37t | 72t | 33sq.ft. | 1150sq.ft. | 185sq.ft. | 686, 799 |
| Ww | 4-6-4T | 45in | 15½x22in | 180psi | 30t | 52t | 17sq.ft. | 550sq.ft. | 90sq.ft. | 1913 |
| X | 4-8-2 | 45in | 13½/22x22in | 230psi | 48t | 68t | 37sq.ft. | 2065sq.ft. | none | Original |
| X | 4-8-2 | 45in | 13½/22x22in | 230psi | 48t | 68t | 37sq.ft. | 1745sq.ft. | none | Comb. chamber |
| X | 4-8-2 | 45in | 13½/22x22in | 230psi | 48t | 68t | 37sq.ft. | 1895sq.ft. | none | Second batch |
| X | 4-8-2 | 45in | 13½/22x22in | 230psi | 48t | 68t | 37sq.ft. | 1185sq.ft. | 170sq.ft. | Reboilered |
| X | 4-8-2 | 45in | 13½(4)x22in | 215psi | 46t | 69t | 37sq.ft. | 1185sq.ft. | 170sq.ft. | Rebuilt 1945 |
| Y | 0-6-0T | 40in | 13x20in | 160psi | 23t | 23t | 9sq.ft. | 520sq.ft. | none | Hunslet 1923 |
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