| Builders Nos. | Class | No. of class | Nos. |
| 1917 - B Class (Tram) (ex PMTT) |
12 | 21 - 24, 84 - 91, B 21 - B 24, B 84 - B 91 | |
| 1919 - K Class (Tram) (ex PMTT) |
9 | 92 - 100, K 92 - K 100 | |
| 1920 - R Class (Tram) (ex FNPTT) |
8 | 1 - 8, 2(P) - 3(P), 7(P), 25(P) - 29(P), 151 - 152, R 151 - R 153, R 172 - R 176 | |
| 1921 - L Class (Tram) (ex PMTT) |
6 | 101 - 106, L 101 - L 106 | |
| 1923 - W Class (Tram) | 60 | W 249 - W 278, W 369 - W 398 | |
| 1927 - W2 Class (Tram) | 30 | W2 495 - W2 524 |