Class S12

                         Pic by Primal Madusanka

Introduction years :- 2012 to 2013            
No of Sets :- 13
Power car Nos  :-  917 to 939
Builder :-  CSR Qingdao Sifang Co. Ltd
State :- China
Prime Mover  :- MTU 12V 4000 R41
Mode of Power transmission :- Diesel Electric (AC to DC Power Transmission)
Power  :- 1950 hp
rpm :- 1800
Weight :- 74 ton
Length :-  50’
Wheel arrangement :-  Bo-Bo
Brake system :- Air and Dynamic
Max speed  :- 120 Km/h
Gauge :- 1676 mm
Type :- Diesel Multiple Unit
Purpose :-
4 sets for suburban service.
7 sets for up country service.
2 sets for Air-condition intercity service.
Set Formation :
Suburban sets : Power car, four 3rd class compartments and dummy car.
Up country sets : Two power cars, one 1st class Air-condition compartment, three 2nd class compartment, three 3rd class compartment and one 3rd class buffet unit.
Air-condition: Two power cars, Six  1st class Air-condition compartment and class Air-condition buffet unit.