State Railway of Thailand ASR class

State Railway of Thailand ASR class
Rapid no.998 stopping at Pattaya Railway Station on the Eastern Line
In service1991 - present
ManufacturerBritish Rail Engineering Limited
Built atDerby Litchurch Lane Works
Family nameSprinter
Entered service1991
Number built20
Fleet numbers2501-2512 (Cab car) 2113-2120 (Power car)
OperatorsState Railway of Thailand
Lines servedEastern Line
Specifications
Car length23.21 m (76 ft 2 in)
Width2.7 m (8 ft 10 in)
Maximum speed120 km/h (75 mph)
Traction systemDMU
Prime mover(s)Cummins NT855
Braking system(s)Air brake
Coupling systemJanney coupler
Seating76
Track gauge1,000 mm (3 ft 3+38 in)metre gauge

The State Railway of Thailand ASR class is a diesel multiple unit operated by the State Railway of Thailand. Built by British Rail Engineering Limited at Derby Litchurch Lane Works in England, it is based on the British Rail Class 158. Twenty carriages were built in 1990/91. All were painted in the same Regional Railways livery as the Class 158s.