| Class | Wheel Arr- angement. |
Dr. Dia. |
Cylinders Diam. x Str. |
Boiler Press. |
Ad. Wt. |
EW WO |
Grate Area |
Evap. Surface |
Sup. Surface |
Remarks |
| A1 | 4-6-2 | 80in | 20x26in(3) | 180psi | 60t | 92t | 41sq.ft. | 2930sq.ft. | 525sq.ft. | Later A10 |
| A3 | 4-6-2 | 80in | 19x26in(3) | 220psi | 66t | 96t | 41sq.ft. | 2690sq.ft. | 635sq.ft. | |
| A4 | 4-6-2 | 80in | 18½x26in(3) | 250psi | 66t | 103t | 41sq.ft. | 2575sq.ft. | 750sq.ft. | Streamlined |
| A6 | 4-6-2T | 55in | 19x26in | 175psi | 48t | 78t | 24sq.ft. | 1085sq.ft. | 215sq.ft. | Ex A6, 1937 |
| A6 | 4-6-2T | 55in | 19x26in | 175psi | 48t | 78t | 24sq.ft. | 1080sq.ft. | 195sq.ft. | Ex A6, 1939 |
| A8 | 4-6-2T | 69in | 16½x26in(3) | 175psi | 52t | 87t | 24sq.ft. | 1060sq.ft. | 195sq.ft. | Ex H1 |
| A8 | 4-6-2T | 69in | 16½x26in(3) | 175psi | 52t | 87t | 24sq.ft. | 1085sq.ft. | 195sq.ft. | Ex H1 (1931) |
| A8 | 4-6-2T | 69in | 16½x26in(3) | 175psi | 52t | 87t | 24sq.ft. | 1085sq.ft. | 215sq.ft. | Ex H1 (1930) |
| A8 | 4-6-2T | 69in | 16½x26in(3) | 175psi | 52t | 87t | 24sq.ft. | 1080sq.ft. | 195sq.ft. | Ex H1 (1937) |
| B15 | 4-6-0 | 73in | 20x26in | 180psi | 53t | 71t | 24sq.ft. | 1700sq.ft. | 360sq.ft. | Ex NE S2 |
| B15 | 4-6-0 | 73in | 20x26in | 180psi | 53t | 71t | 24sq.ft. | 1700sq.ft. | 400sq.ft. | 1930 |
| B16/1 | 4-6-0 | 68in | 18½x26in(3) | 180psi | 59t | 78t | 27sq.ft. | 1815sq.ft. | 390sq.ft. | Ex NE S3 |
| B16/1 | 4-6-0 | 68in | 18½x26in(3) | 180psi | 59t | 78t | 27sq.ft. | 1815sq.ft. | 435sq.ft. | Ex NE S3 |
| B16/1 | 4-6-0 | 68in | 18½x26in(3) | 180psi | 59t | 78t | 27sq.ft. | 1980sq.ft. | 445sq.ft. | 1939 |
| B16/2 | 4-6-0 | 68in | 18½x26in(3) | 180psi | 59t | 79t | 27sq.ft. | 1840sq.ft. | 435sq.ft. | Ex B16/1 |
| B16/2 | 4-6-0 | 68in | 18½x26in(3) | 180psi | 59t | 79t | 27sq.ft. | 1980sq.ft. | 445sq.ft. | Ex B16/1 |
| B17 | 4-6-0 | 80in | 17½x26in(3) | 200psi | 54t | 77t | 28sq.ft. | 1675sq.ft. | 345sq.ft. | 2 streamlined |
| C1 | 4-4-2 | 80in | 20x24in | 150psi | 40t | 70t | 31sq.ft. | 2050sq.ft. | 255sq.ft. | 18 flues,1910 |
| C1 | 4-4-2 | 80in | 20x24in | 150psi | 40t | 70t | 31sq.ft. | 2050sq.ft. | 320sq.ft. | 18 flues,1911 |
| C1 | 4-4-2 | 80in | 20x24in | 170psi | 40t | 70t | 31sq.ft. | 2025sq.ft. | 425sq.ft. | 24 flues |
| C1 | 4-4-2 | 80in | 20x24in | 150psi | 40t | 70t | 31sq.ft. | 2150sq.ft. | 410sq.ft. | Twin tube |
| C1 | 4-4-2 | 80in | 20x24in | 170psi | 40t | 70t | 31sq.ft. | 1965sq.ft. | 570sq.ft. | 32 flues |
| C2 | 4-4-2 | 80in | 20x24in | 170psi | 32t | 60t | 25sq.ft. | 1165sq.ft. | 255sq.ft. | GNR U |
| C2 | 4-4-2 | 80in | 20x24in | 170psi | 32t | 60t | 25sq.ft. | 1250sq.ft. | 265sq.ft. | Twin tube |
| C2 | 4-4-2 | 80in | 20x24in | 170psi | 32t | 60t | 25sq.ft. | 1115sq.ft. | 255sq.ft. | 97 tubes |
| C6 | 4-4-2 | 82in | 20x28in | 180psi | 39t | 75t | 27sq.ft. | 1830sq.ft. | 390sq.ft. | Ex NE V |
| C6 | 4-4-2 | 82in | 20x28in | 180psi | 39t | 75t | 27sq.ft. | 1855sq.ft. | 435sq.ft. | 1931 |
| C6 | 4-4-2 | 82in | 19½x28in | 175psi | 40t | 78t | 27sq.ft. | 1830sq.ft. | 390sq.ft. | Ex NE V/09 |
| C6 | 4-4-2 | 82in | 19½x28in | 175psi | 40t | 78t | 27sq.ft. | 1855sq.ft. | 435sq.ft. | 1931 |
| C7 | 4-4-2 | 82in | 16½x26in(3) | 160psi | 40t | 77t | 27sq.ft. | 1830sq.ft. | 390sq.ft. | Ex NE Z |
| C7 | 4-4-2 | 82in | 16½x26in(3) | 160psi | 40t | 77t | 27sq.ft. | 1855sq.ft. | 435sq.ft. | 1931 |
| C9 | 4-4-(2-2)-4T | 82in | 16½x26in(3) | 200psi | 40t | 135t | 30sq.ft. | 1900sq.ft. | 420sq.ft. | Booster |
| C12 | 4-4-2T | 67in | 18x26in | 170psi | 35t | 62t | 16sq.ft. | 1110sq.ft. | none | GNR TX,X2 |
| D1 | 4-4-0 | 80in | 18½x26in | 170psi | 36t | 53t | 19sq.ft. | 970sq.ft. | 190sq.ft. | GNR V |
| D1 | 4-4-0 | 80in | 18½x26in | 170psi | 36t | 53t | 19sq.ft. | 940sq.ft. | 190sq.ft. | 118 tubes |
| D2 | 4-4-0 | 79in | 17½x26in | 170psi | 28t | 45t | 16sq.ft. | 1110sq.ft. | none | GNR S |
| D3 | 4-4-0 | 80in | 17½x26in | 175psi | 29t | 46t | 16sq.ft. | 1235sq.ft. | none | GNR D3 |
| D20 | 4-4-0 | 82in | 19x26in | 175psi | 36t | 55t | 20sq.ft. | 1045sq.ft. | 205sq.ft. | Ex NE R |
| D20 | 4-4-0 | 82in | 19x26in | 175psi | 36t | 55t | 20sq.ft. | 1055sq.ft. | 225sq.ft. | 1932 |
| D20 | 4-4-0 | 82in | 19x26in | 175psi | 36t | 55t | 20sq.ft. | 1140sq.ft. | 225sq.ft. | 1935 |
| D21 | 4-4-0 | 82in | 19x26in | 175psi | 41t | 59t | 27sq.ft. | 1100sq.ft. | 260sq.ft. | Ex NE R1 |
| D21 | 4-4-0 | 82in | 19x26in | 175psi | 41t | 59t | 27sq.ft. | 1300sq.ft. | 260sq.ft. | 1930 |
| D49 | 4-4-0 | 80in | 17x26in(3) | 180psi | 42t | 66t | 26sq.ft. | 1400sq.ft. | 275sq.ft. | |
| H1 | 4-4-4T | 69in | 16½x26in(3) | 175psi | 40t | 87t | 24sq.ft. | 1085sq.ft. | 195sq.ft. | Ex NE D |
| H1 | 4-4-4T | 69in | 16½x26in(3) | 175psi | 40t | 87t | 24sq.ft. | 1085sq.ft. | 215sq.ft. | Ex NE D |
| J2 | 0-6-0 | 68in | 19x26in | 170psi | 51t | 51t | 19sq.ft. | 940sq.ft. | 190sq.ft. | GNR J21 |
| J6 | 0-6-0 | 62in | 19x26in | 170psi | 51t | 51t | 19sq.ft. | 940sq.ft. | 190sq.ft. | GNR J22 |
| J6 | 0-6-0 | 62in | 19x26in | 170psi | 51t | 51t | 19sq.ft. | 1065sq.ft. | 250sq.ft. | Triple tube |
| J6 | 0-6-0 | 62in | 19x26in | 170psi | 51t | 51t | 19sq.ft. | 1000sq.ft. | 210sq.ft. | Twin tube |
| J21 | 0-6-0 | 61in | 19x26in | 200psi | 47t | 47t | 21sq.ft. | 905sq.ft. | 205sq.ft. | Project |
| J24 | 0-6-0 | 55in | 18½x24in | 160psi | 39t | 39t | 16sq.ft. | 825sq.ft. | 200sq.ft. | Ex NER P |
| J24 | 0-6-0 | 55in | 18x24in | 160psi | 39t | 39t | 16sq.ft. | 1070sq.ft. | none | Ex NER P |
| J38/1 | 0-6-0 | 56in | 20x26in | 180psi | 58t | 58t | 26sq.ft. | 1455sq.ft. | 290sq.ft. | |
| J38/2 | 0-6-0 | 56in | 20x26in | 180psi | 58t | 58t | 26sq.ft. | 1400sq.ft. | 275sq.ft. | |
| J39 | 0-6-0 | 62in | 20x26in | 180psi | 58t | 58t | 26sq.ft. | 1400sq.ft. | 275sq.ft. | |
| J72 | 0-6-0T | 49in | 17x24in | 140psi | 39t | 39t | 11sq.ft. | 730sq.ft. | none | |
| K1 | 2-6-0 | 68in | 20x26in | 170psi | 52t | 62t | 25sq.ft. | 1120sq.ft. | 230sq.ft. | GNR H2 |
| K1 | 2-6-0 | 68in | 20x26in | 180psi | 52t | 62t | 25sq.ft. | 1080sq.ft. | 230sq.ft. | 118 tubes |
| K2 | 2-6-0 | 68in | 20x26in | 170psi | 54t | 64t | 24sq.ft. | 1680sq.ft. | 305sq.ft. | GNR H3 |
| K2 | 2-6-0 | 68in | 20x26in | 180psi | 54t | 64t | 24sq.ft. | 1630sq.ft. | 305sq.ft. | 197 tubes |
| K3 | 2-6-0 | 68in | 18½x26in(3) | 180psi | 61t | 73t | 28sq.ft. | 1900sq.ft. | 405sq.ft. | GNR H4 |
| K4 | 2-6-0 | 62in | 18½x26in(3) | 180psi | 58t | 68t | 28sq.ft. | 1425sq.ft. | 310sq.ft. | |
| N1 | 0-6-2T | 68in | 18x26in | 170psi | 52t | 66t | 19sq.ft. | 940sq.ft. | 190sq.ft. | GNR MM |
| N2 | 0-6-2T | 68in | 19x26in | 170psi | 57t | 71t | 19sq.ft. | 1000sq.ft. | 205sq.ft. | GNR N2 |
| N7/1 | 0-6-2T | 58in | 18x24in | 180psi | 51t | 64t | 18sq.ft. | 970sq.ft. | 135sq.ft. | |
| N7/2 | 0-6-2T | 58in | 18x24in | 180psi | 51t | 65t | 18sq.ft. | 970sq.ft. | 135sq.ft. | |
| N7/3 | 0-6-2T | 58in | 18x24in | 180psi | 51t | 64t | 18sq.ft. | 940sq.ft. | 135sq.ft. | |
| N7/4 | 0-6-2T | 58in | 18x24in | 180psi | 50t | 62t | 18sq.ft. | 940sq.ft. | 135sq.ft. | Ex GE K85,9 |
| N7/5 | 0-6-2T | 58in | 18x24in | 180psi | 51t | 63t | 18sq.ft. | 940sq.ft. | 135sq.ft. | Ex N7/1 |
| N8 | 0-6-2T | 61in | 19x24in | 160psi | 48t | 60t | 17sq.ft. | 855sq.ft. | 205sq.ft. | Ex NE B |
| O1 | 2-8-0 | 56in | 21x28in | 170psi | 68t | 77t | 28sq.ft. | 2090sq.ft. | 430sq.ft. | GNR O1 |
| O1 | 2-8-0 | 56in | 21x28in | 180psi | 68t | 77t | 28sq.ft. | 2030sq.ft. | 430sq.ft. | Later O3 |
| O2 | 2-8-0 | 56in | 18x26in(3) | 170psi | 67t | 77t | 28sq.ft. | 2090sq.ft. | 430sq.ft. | GNR O2: 461 |
| O2 | 2-8-0 | 56in | 18½x26in(3) | 180psi | 67t | 76t | 28sq.ft. | 2030sq.ft. | 430sq.ft. | GNR O2 |
| O4/4 | 2-8-0 | 56in | 21x26in | 180psi | 67t | 74t | 28sq.ft. | 2030sq.ft. | 430sq.ft. | Ex GC 8K |
| O4/5 | 2-8-0 | 56in | 21x26in | 180psi | 68t | 75t | 26sq.ft. | 1960sq.ft. | 405sq.ft. | Ex GC 8K |
| O4/7 | 2-8-0 | 56in | 21x26in | 180psi | 67t | 74t | 26sq.ft. | 1920sq.ft. | 400sq.ft. | Ex GC 8K |
| P1 | 2-8-2 | 62in | 20x26in(3) | 180psi | 72t | 100t | 41sq.ft. | 2930sq.ft. | 525sq.ft. | A1 boiler |
| P1 | 2-8-2 | 62in | 20x26in(3) | 180psi | 67t | 92t | 41sq.ft. | 2875sq.ft. | 1105sq.ft. | Type E sup. |
| P1 | 2-8-2 | 62in | 20x26in(3) | 220psi | 69t | 95t | 41sq.ft. | 2690sq.ft. | 705sq.ft. | A3 boiler |
| P2 | 2-8-2 | 74in | 21x26in(3) | 220psi | 80t | 107t | 50sq.ft. | 2715sq.ft. | 775sq.ft. | Original |
| P2 | 2-8-2 | 74in | 21x26in(3) | 220psi | 80t | 107t | 50sq.ft. | 2600sq.ft. | 750sq.ft. | Comb. ch. |
| Q2 | 0-8-0 | 55in | 21x26in | 170psi | 58t | 58t | 25sq.ft. | 1165sq.ft. | 255sq.ft. | GNR K1 |
| Q2 | 0-8-0 | 55in | 21x26in | 170psi | 58t | 58t | 25sq.ft. | 1115sq.ft. | 255sq.ft. | 97 tubes |
| Q2 | 0-8-0 | 55in | 21x26in | 170psi | 58t | 58t | 25sq.ft. | 1250sq.ft. | 265sq.ft. | Twin tube |
| Q3 | 0-8-0 | 55in | 21x26in | 170psi | 62t | 62t | 24sq.ft. | 1630sq.ft. | 305sq.ft. | GNR K2 |
| Q5/1 | 0-8-0 | 55in | 20x26in | 175psi | 61t | 61t | 21sq.ft. | 1715sq.ft. | none | 1936 |
| Q5/2 | 0-8-0 | 55in | 20x26in | 175psi | 61t | 61t | 22sq.ft. | 2050sq.ft. | none | Ex NE T, T1 |
| Q6 | 0-8-0 | 55in | 20x26in | 180psi | 66t | 66t | 24sq.ft. | 1710sq.ft. | 360sq.ft. | Ex NE T2 |
| Q6 | 0-8-0 | 55in | 20x26in | 180psi | 66t | 66t | 24sq.ft. | 1710sq.ft. | 400sq.ft. | 1930 |
| Q6 | 0-8-0 | 55in | 20x26in | 180psi | 66t | 66t | 24sq.ft. | 1855sq.ft. | 415sq.ft. | 1938 |
| Q7 | 0-8-0 | 55in | 18½x26in(3) | 160psi | 73t | 73t | 27sq.ft. | 1830sq.ft. | 390sq.ft. | Ex NE T3 |
| Q7 | 0-8-0 | 55in | 18½x26in(3) | 160psi | 73t | 73t | 27sq.ft. | 1840sq.ft. | 435sq.ft. | 1933 |
| Q7 | 0-8-0 | 55in | 18½x26in(3) | 160psi | 73t | 73t | 27sq.ft. | 1980sq.ft. | 445sq.ft. | 1941 |
| Q10/2 | 0-8-0 | 54in | 19x26in | 180psi | 61t | 61t | 22sq.ft. | 2050sq.ft. | none | Ex HBR A |
| R1 | 0-8-2T | 55in | 20x26in | 170psi | 62t | 75t | 25sq.ft. | 1165sq.ft. | 255sq.ft. | Ex GNR L1 |
| R1 | 0-8-2T | 55in | 20x26in | 170psi | 62t | 75t | 25sq.ft. | 1115sq.ft. | 255sq.ft. | 97 tubes |
| R1 | 4-8-2 | 80in | 21x26in(3) | 250psi | 80t | 115t | 50sq.ft. | 2730sq.ft. | 775sq.ft. | Project |
| U1 | 2-8-0+0-8-2T | 56in | 18½x26in(6) | 180psi | 144t | 178t | 57sq.ft. | 2870sq.ft. | 650sq.ft. | Garratt |
| V1 | 2-6-2T | 68in | 16x26in(3) | 180psi | 57t | 84t | 22sq.ft. | 1325sq.ft. | 285sq.ft. | |
| V2 | 2-6-2 | 74in | 18½x26in(3) | 220psi | 66t | 93t | 41sq.ft. | 2430sq.ft. | 680sq.ft. | |
| V3 | 2-6-2T | 68in | 16x26in(3) | 200psi | 57t | 84t | 22sq.ft. | 1325sq.ft. | 285sq.ft. | |
| V4 | 2-6-2 | 68in | 15x26in(3) | 250psi | 51t | 70t | 29sq.ft. | 1445sq.ft. | 355sq.ft. | |
| W1 | 4-6-2-2 | 80in | 20x26in(3) | 250psi | 66t | 108t | 50sq.ft. | 2715sq.ft. | 775sq.ft. | Streamlined |
| Y1/1,4 | 0-4-0T | 30in | 6¾x9in | 275psi | 21t | 21t | 4sq.ft. | 54sq.ft. | 10sq.ft. | Sent: TE 7260lb |
| Y1/2 | 0-4-0T | 30in | 6¾x9in | 275psi | 20t | 20t | 5sq.ft. | 72sq.ft. | 11sq.ft. | Sent: TE 7260lb |
| Y1/3 | 0-4-0T | 30in | 6¾x9in | 275psi | 14t | 14t | 4sq.ft. | 54sq.ft. | 10sq.ft. | Sent: TE 7260lb |
| Y3 | 0-4-0T | 30in | 6¾x9in | 275psi | 21t | 21t | 5sq.ft. | 72sq.ft. | 11sq.ft. | Sent:TE15962lb |
| Y10 | 0-4-0T | 38in | 6¾x9in(4) | 275psi | 24t | 24t | 7sq.ft. | 159sq.ft. | 40sq.ft. | Sent:TE11434lb |
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