| Class | Wheel Arr- angement |
Dr. Dia. |
Cylinders Diam. x Str. |
Boiler Press. |
Ad. Wt. |
EW WO |
Grate Area |
Evap. Surface |
Sup. Surface |
Remarks |
| NG 1 | 0-4-0T | 24in | 6x10in | 140psi | 6t | 6t | 3sq.ft. | 100sq.ft. | none | KS Sirdar |
| NG 2 | 0-4-2T | 24in | 7x10in | 130psi | 8t | 11t | 36sq.ft. | 190sq.ft. | none | Dickson |
| NG 3 | 4-6-2T | 30in | 11½x15in | 165psi | 17t | 26t | 11sq.ft. | 675sq.ft. | none | Hawthorn |
| NG 4 | 4-6-2T | 30in | 11½x15in | 165psi | 18t | 30t | 11sq.ft. | 700sq.ft. | none | KS |
| NG 5 | 2-8-2 | 33in | 15¾x17¾in | 170psi | 26t | 33t | 17sq.ft. | 970sq.ft. | 170sq.ft. | 40 - 42 |
| NG 5 | 2-8-2 | 33in | 15¾x17¾in | 170psi | 26t | 33t | 17sq.ft. | 950sq.ft. | 145sq.ft. | 71 - 76 |
| NG 6 | 4-4-0 | 32in | 8x15in | 140psi | 9t | 11t | 5sq.ft. | 260sq.ft. | none | Falcon F2 |
| NG 6 | 4-4-0 | 32in | 8x15in | 140psi | 10t | 13t | 5sq.ft. | 275sq.ft. | none | Falcon F4 |
| NG 7 | 2-6-0 | 33in | 11¾x16in | 180psi | 18t | 20t | 8sq.ft. | 420sq.ft. | none | Baldwin |
| NG 8 | 4-6-0 | 33in | 11¾x16in | 180psi | 15t | 21t | 8sq.ft. | 420sq.ft. | none | Bagnall, KS |
| NG 9 | 4-6-0 | 33in | 11¾x16in | 180psi | 15t | 21t | 8sq.ft. | 425sq.ft. | none | Baldwin |
| NG 10 | 4-6-2 | 36in | 13½x18in | 180psi | 18t | 29t | 14sq.ft. | 785sq.ft. | none | Baldwin |
| NGG 11 | 2-6-0+0-6-2T | 30in | 10½x16in(4) | 180psi | 36t | 45t | 19sq.ft. | 980sq.ft. | none | Garratt |
| NGG 11 | 2-6-0+0-6-2T | 30in | 10½x16in(4) | 180psi | 39t | 48t | 19sq.ft. | 660sq.ft. | 140sq.ft. | Garratt |
| NGG 12 | 2-6-2+2-6-2T | 30in | 8½x16in(4) | 180psi | 23t | 36t | 11sq.ft. | 425sq.ft. | 100sq.ft. | Garratt |
| NGG 13 | 2-6-2+2-6-2T | 33in | 12x16in(4) | 180psi | 41t | 62t | 19sq.ft. | 920sq.ft. | 150sq.ft. | Garratt |
| NGG 14 | 2-6-2+2-6-2T | 30in | 9x16in(4) | 180psi | 24t | 38t | 11sq.ft. | 425sq.ft. | 100sq.ft. | Garratt |
| NG 15 | 2-8-2 | 33in | 15¾x17¾in | 170psi | 27t | 37t | 17sq.ft. | 795sq.ft. | 180sq.ft. | Henschel |
| NGG 16 | 2-6-2+2-6-2T | 33in | 12x16in(4) | 180psi | 42t | 63t | 19sq.ft. | 920sq.ft. | 150sq.ft. | Garratt |
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