| Second/third class diagram S2 | 28' long 4 wheel 16' wheelbase |
Later converted to brake thirds, T10 and T13
Both alterations involved converting one end compartment to a guards compartment T10 also had the doors barred and locked of the adjacent compartment |
| Second/third class diagram S3 | 28' long 6 wheel 19' wheelbase |
Later converted to brake thirds, T11, T12 and T14
T11 2 compartments converted to a guards compartment T12 1 compartments converted to a guards compartment T14 Handbrake installed in end compartment reducing the seating by 1 to 49 seats |
| Second/third class diagram S4 | 28' long 4 wheel 19' wheelbase |
Conversions as S3 |
| Composite diagram U19 | 31' long 6 wheel 19' wheelbase |
Compartments: 3rd, 2nd, 1st, 2nd, 3rd |