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