Sri Lanka Railway Department, branded “Sri Lanka Railways”, is a key department of the Sri Lankan Government under the Ministry of Transport with a history that begins in 1858. Sri Lanka Railways (formerly CGR – Ceylon Government Railway) operates the nation’s rail network linking Colombo – the commercial capital of Sri Lanka – and many population centres and tourist destinations.
Diesel locomotives of Sri Lanka Railway categorized in to several classes and their sub classes.
Class M – Main Line Locomotives (Diesel Electric)
- Class M2 General Motors G12 locomotives are considered the most successful – being in service since 1954.
- Class M9 Alstom Prima model has been the most unsuccessful.
- The most powerful locomotive is Class M8 WDM-2, with 2,600 hp.
- Class W – Main Line Locomotives (Diesel Hydraulic)
- Class S – Diesel Push Pull Trains (Diesel Multiple Units)
- Class Y – Shunters
- Class N & P – Narrow Gauge