| Class | Wheel Arr- angement |
Dr. Dia. |
Cylinders Dia. x Stroke |
Boiler Press. |
Ad. Wt. |
EW WO |
Grate Area |
Evap. Surface |
Sup. Surface |
Remarks |
| AB | 2-8-8-2 | 56in | 26/40x32in | 215psi | 181t | 200t | 84sq.ft. | 6925sq.ft. | none | Mallet |
| AC | 2-6-6-0 | 54in | 22/35x30in | 200psi | 138t | 148t | 57sq.ft. | 5050sq.ft. | none | Mallet |
| AD | 2-8-8-2 | 56in | 28/44x32in | 185psi | 213t | 241t | 99sq.ft. | 6830sq.ft. | 1310sq.ft. | Mallet |
| AE | 2-10-10-2 | 56in | 30/48x32in | 215psi | 276t | 306t | 109sq.ft. | 8600sq.ft. | 2120sq.ft. | Mallet |
| AF | 2-8-8-0 | 56in | 28/44x32in | 215psi | 220t | 230t | 108sq.ft. | 8120sq.ft. | 2060sq.ft. | Ex XA |
| AG | 2-6-6-6 | 67in | 22½x33in(4) | 260psi | 230t | 347t | 135sq.ft. | 7240sq.ft. | 3185sq.ft. | |
| BA | 2-8-4 | 69in | 26x34in | 245psi | 134t | 209t | 90sq.ft. | 4775sq.ft. | 1930sq.ft. | |
| EA | 4-4-0 | 63in | 18x26in | 200psi | 48t | 67t | 30sq.ft. | 2025sq.ft. | none | |
| MB | 2-8-2 | 56in | 24x32in | 200psi | 99t | 118t | 51sq.ft. | 3285sq.ft. | 755sq.ft. | |
| MB | 2-8-2 | 56in | 24x32in | 200psi | 104t | 121t | 51sq.ft. | 3285sq.ft. | 755sq.ft. | Stoker |
| MC | 2-8-2 | 56in | 26x32in | 200psi | 114t | 142t | 57sq.ft. | 4355sq.ft. | 910sq.ft. | Orig. 185psi |
| MD | 2-8-2 | 56in | 26x32in | 200psi | 106t | 138t | 57sq.ft. | 4355sq.ft. | 910sq.ft. | Ex XA |
| PA | 4-6-2 | 69in | 26x28in | 190psi | 86t | 135t | 67sq.ft. | 3415sq.ft. | 905sq.ft. | |
| SA | 0-8-0 | 51in | 22x28in | 200psi | 83t | 83t | 32sq.ft. | 2955sq.ft. | none | |
| SB | 0-8-0 | 52in | 25x28in | 200psi | 109t | 109t | 47sq.ft. | 2570sq.ft. | 635sq.ft. | C&O C-16 |
| TA | 4-6-0 | 63in | 21½x26in | 200psi | 67t | 90t | 56sq.ft. | 2390sq.ft. | 470sq.ft. | |
| USA | 2-8-8-2 | 57in | 25/39x32in | 240psi | 217t | 241t | 96sq.ft. | 6120sq.ft. | 1475sq.ft. | USRA Mallet |
| USC | 2-8-8-2 | 57in | 25/39x32in | 250psi | 217t | 241t | 96sq.ft. | 6120sq.ft. | 1475sq.ft. | Ex USB |
| USD | 2-8-8-2 | 57in | 25/39x32in | 240psi | 217t | 242t | 96sq.ft. | 6208sq.ft. | 1475sq.ft. | Ex USA |
| USE | 2-8-8-2 | 57in | 25/39x32in | 270psi | 217t | 241t | 96sq.ft. | 5755sq.ft. | 1580sq.ft. | NW Y3 |
| XA | 2-8-8-8-4T | 56in | 34/34(4)x32in | 215psi | 325t | 380t | 108sq.ft. | 8120sq.ft. | 2060sq.ft. | Triplex |
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