Class S11 DMUs arrive Sri Lanka under Indian credit project. These DMUs were imported in two phases. The first First batch was Red, White & Blue in colour while the second batch was fully red. All these DMUs are now painted in red colour at Hydraulic Locomotive Shed (HLS) Dematagoda.
| Engine Class | S11 |
| Built Country | India |
| Builder | Integral Coach Factory, Chennai – India |
| Imported Year | 2011 |
| Power Type | Diesel Electric |
| Engine Type | Cummins (India) KTA50L V16 type EFI engine |
| Power Output | 1350hp – 1800RPM |
| Maximum Speed | 110 km/h |
| Axel Arrangement | Bo-Bo |
| Weight | 100 T |
| Livery | First set: Red, White & Blue Second set: Red |
| Total Imported | 20 Power Sets 894-913 |
Update in – progress