Sri Lanka Railways S10
Sri Lanka Railways S10 is a class of Diesel-electric multiple unit train set built for Sri Lanka Railways by China South Locomotive & Rolling Stock Corporation and imported in 2008. Fifteen S10 DEMUs were ordered to strengthen commuter services on crucial commuter lines.
Technical specifications
At nearly the Class S10 provides power outputs to give high rates of acceleration and passenger capacity.The engine is equipped with common rail diesel injection technology which helps to control internal combustion correctly. The alternating current which is produced by the generator is converted to direct current and transferred to traction motors. A computer system is installed to control most of the activities of the engine. The driving cab consists of a desk type control stand and touch-sensitive visual display unit. The Class S10 can also be used for multiple unit working and up to three train sets can be coupled with one another.
| Formation | Number of Cars | Key |
| DPC + 4 TC + DTC | 6 |
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Operations
The Class S10 can be used on any line except the Kelani Valley Line, owing to the great length of the coach bodies being unable to traverse the line's tight curves. S10s are commonly used in stopping passenger services.| Line | Starting Station | Terminus Station |
| Main Line | Colombo Fort | Rambukkana |
| Northern Line | Colombo Fort | Maho Junction |
| Coastal Line | Colombo Fort | Aluthgama |