Stadsgewestelijk Materieel

NS Class 2100 / 2900
Sprinter Unit 2983 at Deventer
In service1975–2021
ManufacturerTalbot
ReplacedMat '64
Number built90
Formation2 cars (2100)
3 cars (2900)
Capacity2100 – 32 (1st), 126 (2nd)
2900 – 40 (1st), 184 (2nd)
OperatorsNS Reizigers
Specifications
Maximum speed125 km/h (78 mph)
Power output1,280 kW (1,720 hp)
Electric system(s)1.5 kV DC Catenary
Current collector(s)Pantograph
Safety system(s)ATB-EG
Track gauge1,435 mm (4 ft 8+12 in) standard gauge

The Stadsgewestelijk Materieel or SGM (transl. Suburban Equipment – transl. City Regional rolling stock) was an electric multiple unit (EMU) train type that was operated by the Dutch railway company Nederlandse Spoorwegen. They were built from 1975 to 1983 by Talbot and retired from service between 2018 and 2021.