| Class | Wheel Arr. |
Dr. Diam. |
Cylinders Dia.xStroke |
Boiler Press. |
Ad. Wt. |
EW WO |
Grate Area |
Evap. Surface |
Sup. Surface |
Remarks |
| 2P | 2-6-2T | 60in | 16x24in | 200psi | 39t | 63t | 18sq.ft. | 1025sq.ft. | 135sq.ft. | |
| 3P | 2-6-2T | 63in | 17½x26in | 200psi | 47t | 72t | 18sq.ft. | 880sq.ft. | 80sq.ft. | Domeless |
| 3P | 2-6-2T | 63in | 17½x26in | 200psi | 47t | 72t | 19sq.ft. | 1045sq.ft. | 80sq.ft. | 1935 |
| 3P | 2-6-2T | 63in | 17½x26in | 200psi | 48t | 74t | 19sq.ft. | 1105sq.ft. | 145sq.ft. | 1941 |
| 4P | 2-6-4T | 69in | 16x26in(3) | 200psi | 57t | 92t | 25sq.ft. | 1140sq.ft. | 155sq.ft. | Domeless |
| 4P | 2-6-4T | 69in | 16x26in(3) | 200psi | 57t | 92t | 27sq.ft. | 1265sq.ft. | 185sq.ft. | Domed |
| 4P | 2-6-4T | 69in | 195/8x26in | 200psi | 52t | 88t | 25sq.ft. | 1150sq.ft. | 160sq.ft. | Domeless |
| 4P | 2-6-4T | 69in | 195/8x26in | 200psi | 52t | 88t | 27sq.ft. | 1265sq.ft. | 185sq.ft. | Domed |
| 4P | 2-6-4T | 69in | 195/8x26in | 200psi | 55t | 89t | 27sq.ft. | 1365sq.ft. | 240sq.ft. | Fairburn |
| 2F | 2-6-0 | 60in | 16x24in | 200psi | 39t | 47t | 18sq.ft. | 1025sq.ft. | 135sq.ft. | |
| 4F | 2-6-0 | 63in | 17½x26in | 225psi | 50t | 59t | 23sq.ft. | 1220sq.ft. | 245sq.ft. | |
| 5P4F | 2-6-0 | 66in | 21x26in | 180psi | 56t | 66t | 28sq.ft. | 1505sq.ft. | 310sq.ft. | "Crab" |
| 5P4F | 2-6-0 | 66in | 18x28in | 225psi | 60t | 69t | 28sq.ft. | 1370sq.ft. | 225sq.ft. | Stanier |
| 5P5F | 4-6-0 | 72in | 18½x28in | 225psi | 53t | 71t | 28sq.ft. | 1620sq.ft. | 230sq.ft. | Vertical throat |
| 5P5F | 4-6-0 | 72in | 18½x28in | 225psi | 53t | 71t | 28sq.ft. | 1725sq.ft. | 330sq.ft. | 24 flues |
| 5P5F | 4-6-0 | 72in | 18½x28in | 225psi | 53t | 71t | 28sq.ft. | 1590sq.ft. | 270sq.ft. | 21 flues |
| 5P5F | 4-6-0 | 72in | 18½x28in | 225psi | 53t | 71t | 29sq.ft. | 1630sq.ft. | 305sq.ft. | Sloping throat |
| 5P5F | 4-6-0 | 72in | 18½x28in | 225psi | 55t | 73t | 29sq.ft. | 1650sq.ft. | 360sq.ft. | 28x1¾ els. |
| 5P5F | 4-6-0 | 72in | 18½x28in | 225psi | 55t | 73t | 29sq.ft. | 1650sq.ft. | 370sq.ft. | 28x13/8 els. |
| 5P5F | 4-6-0 | 72in | 18½x28in | 225psi | 55t | 73t | 29sq.ft. | 1650sq.ft. | 350sq.ft. | 28x1¼ els. |
| 8F | 2-8-0 | 56½in | 18½x28in | 225psi | 62t | 71t | 28sq.ft. | 1465sq.ft. | 235sq.ft. | Domeless |
| 8F | 2-8-0 | 56½in | 18½x28in | 225psi | 62t | 71t | 29sq.ft. | 1650sq.ft. | 215sq.ft. | Domed |
| 5X | 4-6-0 | 81in | 15¾x26in(4) | 200psi | 59t | 79t | 31sq.ft. | 1735sq.ft. | 365sq.ft. | LNWR Claughton |
| Patriot | 4-6-0 | 81in | 18x26in(3) | 200psi | 60t | 81t | 31sq.ft. | 1735sq.ft. | 365sq.ft. | 5XP |
| Jubilee | 4-6-0 | 81in | 17x26in(3) | 225psi | 60t | 80t | 30sq.ft. | 1625sq.ft. | 230sq.ft. | Domeless |
| Jubilee | 4-6-0 | 81in | 17x26in(3) | 225psi | 60t | 80t | 31sq.ft. | 1640sq.ft. | 310sq.ft. | 5XP |
| 5XP | 4-6-0 | 81in | 17x26in(3) | 225psi | 61t | 82t | 31sq.ft. | 1860sq.ft. | 350sq.ft. | Rebuilt |
| 6P | 4-6-0 | 81in | 18x26in(3) | 250psi | 63t | 85t | 31sq.ft. | 2080sq.ft. | 400sq.ft. | Royal Scot |
| 6170 | 4-6-0 | 81in | 18x26in(3) | 250psi | 62t | 84t | 31sq.ft. | 1990sq.ft. | 350sq.ft. | |
| 6P | 4-6-0 | 81in | 18x26in(3) | 250psi | 62t | 84t | 31sq.ft. | 1860sq.ft. | 350sq.ft. | Rebuilt |
| Princess | 4-6-2 | 78in | 16¼x28in(4) | 250psi | 68t | 105t | 45sq.ft. | 2715sq.ft. | 370sq.ft. | 16-el. |
| Princess | 4-6-2 | 78in | 16¼x28in(4) | 250psi | 68t | 105t | 45sq.ft. | 2615sq.ft. | 595sq.ft. | 119x23/8tubes |
| Princess | 4-6-2 | 78in | 16¼x28in(4) | 250psi | 68t | 105t | 45sq.ft. | 2425sq.ft. | 595sq.ft. | 110x2¼tubes |
| Princess | 4-6-2 | 78in | 16¼x28in(4) | 250psi | 68t | 105t | 45sq.ft. | 2500sq.ft. | 625sq.ft. | 110x23/8tubes |
| Princess | 4-6-2 | 78in | 16¼x28in(4) | 250psi | 68t | 105t | 45sq.ft. | 2315sq.ft. | 650sq.ft. | Comb. chamber |
| Princess | 4-6-2 | 78in | 16¼x28in(4) | 250psi | 68t | 105t | 45sq.ft. | 2385sq.ft. | 625sq.ft. | 112x23/8tubes |
| Princess | 4-6-2 | 78in | 16¼x28in(4) | 250psi | 68t | 105t | 45sq.ft. | 2515sq.ft. | 625sq.ft. | 123x23/8tubes |
| Princess | 4-6-2 | 78in | 16¼x28in(4) | 250psi | 68t | 105t | 45sq.ft. | 2435sq.ft. | 465sq.ft. | 24 el. |
| 6202 | 4-6-2 | 78in | 2600hp,16st. | 250psi | 69t | 111t | 45sq.ft. | 2170sq.ft. | 575sq.ft. | Turbomotive |
| 46202 | 4-6-2 | 78in | 16½x28in(4) | 250psi | 67t | 105t | 50sq.ft. | 2460sq.ft. | 720sq.ft. | Ex 6202 |
| Coronation | 4-6-2 | 81in | 16½x28in(4) | 250psi | 67t | 108t | 50sq.ft. | 2810sq.ft. | 825sq.ft. | Streamlined |
| Duchess | 4-6-2 | 81in | 16½x28in(4) | 250psi | 67t | 105t | 50sq.ft. | 2810sq.ft. | 825sq.ft. | |
| Duchess | 4-6-2 | 81in | 16½x28in(4) | 250psi | 67t | 105t | 50sq.ft. | 2810sq.ft. | 980sq.ft. | 6256-7 |
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