British Rail Class 92

British Rail Class 92
A GBRF Class 92 in Caledonian Sleeper livery at London Euston
Type and origin Builder ABB Transportation and Brush Traction Build date 1993–1996[1] Total produced 46
Specifications Configuration: ​  • AAR C-C  • UIC Co′Co′  • Commonwealth Co-Co Gauge 1,435 mm (4 ft 8+1⁄2 in) standard gauge Wheel diameter 1.14 m (3 ft 9 in)[2] Minimum curve 120 m (6 chains)[2] Wheelbase 17.22 m (56 ft 6 in)[2] ​  • Bogie 4.29 m (14 ft 1 in)[2] Pivot centres 12.764 m (41 ft 10.5 in)[2] Length 21.36 m (70 ft 1 in)[2] Width 2.64 m (8 ft 8 in)[2] Height 3.96 m (13 ft 0 in)[3] Loco weight 126 tonnes (124 long tons; 139 short tons) Electric system/s 25 kV 50 Hz AC overhead 750 V DC third rail Current pickup(s) 25 kV: Pantograph (Brecknell Willis high speed)[2] 750 V: Contact shoe Traction motors 6× Brush Traction[2] asynchronous three-phase AC[3] Train heating Electric (1500 V, 800 A)[4] On 25 kV: index 180 (900 kW) On 750 V: index 108[2] (540 kW) Loco brake Pneumatic (tread) and rheostatic/regenerative[note 1] Train brakes Pneumatic Safety systems AWS TPWS TVM-430
Performance figures Maximum speed 87 mph (140 km/h) Power output On 25 kV: 5.04 MW (6,760 hp)[2] On 750 V: 4.00 MW (5,360 hp)[2] Tractive effort 360 kN (81,000 lbf) 400 kN (90,000 lbf) with 'boost' mode active[citation needed]
Career Operators Current: DB Cargo UK GB Railfreight DB Cargo Bulgaria DB Cargo Romania Transagent Rail Cargo Former: British Rail (Railfreight Distribution) EWS Numbers 92001–92046 Axle load class Route availability 8[2]

The British Rail Class 92 is a dual-voltage electric locomotive, which can run on 25 kV AC from overhead wires or 750 V DC from a third rail. It was designed specifically to operate services through the Channel Tunnel between Great Britain and France. Eurotunnel indicates the Class 92 locomotive as the reference for other locomotives which railway undertakings might want to get certified for usage in the Channel tunnel.

Locomotives of this type are operated by GB Railfreight/Europorte 2 and DB Cargo UK. In France, a number were also owned and operated by SNCF; these were classified as CC 92000 on French railways.

The Class 92 was intended as a mixed-traffic locomotive both for hauling international freight trains and the ill-fated, never introduced Nightstar passenger sleeper trains though the Channel Tunnel. Since introduction, the fleet was exclusively allocated to freight; however, in March 2015, six locomotives owned by GB Railfreight have begun passenger operations hauling the Caledonian Sleeper on behalf of Serco between London and Scotland, marking the first use of the class in commercial passenger service.

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