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Sri Lanka Railways Class S9
Sri Lanka Railways Class S9
	Two S9 DMUs Parked At A Station
Manufacturer	Sifang, China South Locomotive & Rolling Stock Corporation
Constructed	2000
Entered service	2000
Number built	15
Formation	1x SBC, 1x SBD, 4x TC
Fleet numbers	849 ~ 863
Operators	Sri Lanka Railways
Depots	Electrical Power Coaches Shed, Maradana
Specifications
Car length	65 ft (19.81 m)
Maximum speed	100 km/h (62 mph)
Weight	73 t (72 long tons; 80 short tons) Engine Compartment Only
Prime mover(s)	MTU 12V396TC14
Engine type	V12
Power output	1,580 hp (1,180 kW)
Transmission	Diesel-electric
AAR wheel arrangement	B-B
Braking system(s)	compressed Air, Dynamic
Coupling system	Automatic (dual)
Multiple working	Yes
Track gauge	1,676 mm (5 ft 6 in)

Class S9 is a type of diesel multiple unit train operated by Sri Lanka's state run rail operator Sri Lanka Railways.

History

S9 DMU was introduced to Sri Lanka in year 2000. This was built by China South Locomotive & Rolling Stock Corporation and this was the first Diesel-Electric multiple unit to run on Sri Lanka rail.

Specifications

One S9 train-set consists of four Third Class(TC) passenger carriages, 1 Driving Trailer and one Power car with passenger seating. Length of a one car is 65 feet (19.81 m). So this one is also capable of higher passenger capacity.

Operation

These DMUs are operated on Sri Lanka's Main Line (Up to Rambukkana), Coastal Line, Puttlam Line and Northern Line and not operated in Kelani Valley Line.