The Class S locomotives are Diesel Multiple Units & Power Sets. There are 12 sub categories. This type of locomotives play a huge role for Sri Lanka Railways.
Sub Categories of Class S Locomotives
1. Class S1
2. Class S2
3. Class S3
4. Class S4
5. Class S5
6. Class S6
7. Class S7
8. Class S8
9. Class S9
10. Class S10
11. Class S11
12. Class S12
