British Rail Class 320

British Rail Class 320
Abellio ScotRail Class 320 approaching Whifflet in 2015
Refurbished Abellio ScotRail Class 320/3 saloon
In serviceAugust 1990 – present
ManufacturerBritish Rail Engineering Limited
Order no.31060–31062
Built atHolgate Road Works, York
Family nameBR Second Generation (Mark 3)
Replaced
Constructed1990
Number built34
(inc. 12 converted from Class 321/4)
Formation3 cars per unit: DTSO-MSO-DTSO
Fleet numbers
  • 320/3: 320301–320322
  • 320/4: 320401, 320403, 320404, 320411–320418, 320420
OwnerEversholt Rail Group
OperatorScotRail
DepotShields Road (Glasgow)
Specifications
Car body constructionSteel
Car length
  • DTS vehs.: 19.950 m (65 ft 5.4 in)
  • MS vehs.: 19.920 m (65 ft 4.3 in)
Width2.816 m (9 ft 2.9 in)
Height3.775 m (12 ft 4.6 in)
DoorsDouble-leaf sliding pocket, each 1.200 m (3 ft 11.2 in) wide (2 per side per car)
WheelbaseOver bogie centres:
14.170 m (46 ft 5.9 in)
Maximum speed
  • 320/3: 90 mph (145 km/h)
  • 320/4: 100 mph (160 km/h)
WeightTotal: 114.5 tonnes (112.7 long tons; 126.2 short tons)
Traction motors4 × Brush TM21-41B
Power output990 kW (1,328 hp)
Acceleration0.55 m/s2 (1.2 mph/s) max.
Electric systemOverhead line, 25 kV 50 Hz AC
Current collectionPantograph
UIC classification2′2′+Bo′Bo′+2′2′
Bogies
  • Powered: BREL P7-4
  • Unpowered: BREL T3-7
Minimum turning radius71 m (232 ft 11 in)
Braking systemElectro-pneumatic (disc)
Safety systems
Coupling systemTightlock
Multiple workingWithin class, and with Class 318
Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge

The British Rail Class 320 is an electric multiple unit (EMU) passenger train found on the Strathclyde rail network in Central Scotland. They are mainly used on the North Clyde Line and the Argyle Line, but they can also be seen on Glasgow Central to Lanark, Cathcart Circle, Paisley Canal Line and Inverclyde Line services. The Class 320 uses Overhead line, 25 kV 50 Hz AC electrification.