| Class | Wheel Arr. |
Dr. Diam. |
Cylinders Dia. x Str. |
Boiler Press. |
Ad. Wt. |
EW WO |
Grate Area |
Evap. Surface |
Sup. Surface |
Remarks |
| A | 4-6-0 | 53½in | 15x22in | 180psi | 27t | 34t | 12sq.ft. | 842sq.ft. | none | |
| F | 0-6-0 | 42½in | 14x20in | 140psi | 22t | 22t | 12sq.ft. | 649sq.ft. | none | |
| HG | 4-6-0 | 48in | 15x22in | 180psi | 27t | 35t | 15sq.ft. | 969sq.ft. | none | |
| HGS | 4-6-0 | 48in | 16x22in | 160psi | 27t | 36t | 15sq.ft. | 780sq.ft. | 110sq.ft. | |
| HJ | 4-6-0 | 48in | 16½x22in | 165psi | 27t | 34t | 14sq.ft. | 865sq.ft. total | ||
| HK | 4-6-0 | 48in | 15½x22in | 180psi | 25t | 33t | 15sq.ft. | 833sq.ft. total | ||
| HT | 2-6-2T | 43in | 15x22in | 180psi | 30t | 45t | 13sq.ft. | 956sq.ft. | none | |
| IPC | 2-8-4T | 43in | 15½x22in | 180psi | 38t | 58t | 19sq.ft. | 1126sq.ft. | none | Iraqi Petr. Co. |
| M | 0-6-6-0 | 44in | 13/19x22in | 180psi | 49t | 49t | 19sq.ft. | 1308sq.ft. | none | Mallet |
| NA | 4-8-0 | 43in | 17x22in | 180psi | 32t | 40t | 17sq.ft. | 851sq.ft. | 160sq.ft. | |
| NB | 4-8-0 | 43in | 16x22in | 160psi | 33t | 41t | 18sq.ft. | 1173sq.ft. | none | |
| O | 4-4-0 | 53in | 14x20in | 140psi | 16t | 24t | 11sq.ft. | 548sq.ft. | none | |
| W | 2-8-2 | 48in | 16x24in | 185psi | 36t | 52t | 28sq.ft. | 1371sq.ft. | 374sq.ft. | USATC S118 |
| Y | 2-8-2 | 48in | 17x24in | 180psi | 40t | 57t | 26sq.ft. | 1381sq.ft. | 285sq.ft. | IRS YD |
| Z | 2-8-2 | 48in | 18x24in | 200psi | 48t | 68t | 37sq.ft. | 1734sq.ft. total | ||
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