British Rail Class 93 (Stadler)

The British Rail Class 93 is a tri-mode locomotive built by Stadler Rail in Valencia. It is an evolution of the Class 88 bi-mode locomotive which was built by Stadler for Direct Rail Services. Three different power sources are used to power the locomotive – 4,000 kW (5,400 hp) 25 kV AC overhead electric power, or a 900 kW (1,200 hp) diesel engine supplemented by a 400 kW (540 hp) battery – allowing the locomotive to be used on both electrified and non-electrified lines.

This article is about the Stadler tri-mode locomotives. For the planned electric locomotives intended as part of the InterCity 250 system, see British Rail Class 93 (InterCity 250).

British Rail Class 93
A Rail Operations Group Class 93 at Sheffield
Type and origin
Power typeElectro-diesel with battery
BuilderStadler Rail
(Stadler Rail Valencia SAU)
ModelEuro Dual
Build dateJune 2022 – 2024
Specifications
Configuration:
​
 • UICBo′Bo′
Gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
Loco weight86 tonnes (85 long tons; 95 short tons)
Electric system/s25 kV 50 Hz AC overhead
Current pickup(s)Pantograph
Prime moverCaterpillar C32
Engine typeFour-stroke V12 diesel
AspirationTwin-turbocharged
Displacement32.1 L (1,959 cu in) total
Performance figures
Maximum speed110 mph (180 km/h)
Power output
  • On AC electric supply:
    4,600 kW (6,200 hp)
  • Diesel engine:
    900 kW (1,200 hp)
  • Battery packs:
    400 kW (540 hp)
Tractive effort290 kN (At low speeds)
Career
OperatorsRail Operations Group
Numbers93001–93010
DispositionUnder testing

Rail Operations Group is the sole operator and ordered 10 locomotives.

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