British Rail Class 99 (locomotive)
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The British Rail Class 99 is a planned class of dual-mode electro-diesel Co-Co locomotives that will haul freight trains on both electrified and non-electrified lines. It will be based on the Stadler Euro Dual platform.
Specification
The 75 mph (120 km/h) locomotive will have a maximum tractive effort of "up to" 500 kN, and a power output of 6,000 kW (8,050 hp) at the wheel in electric mode.[1] These figures exceeds those of the diesel-powered BR Class 66.
Peter Dearman, writing in Rail Engineer reports that the Class 99 in only be able to deliver 1,600 kW (2,100 hp) at the rail in diesel mode.[2]
History
In April 2022 Beacon Rail and GB Railfreight signed an agreement for the supply of 30 locomotives to replace Class 66s.[3][1] Introduction to service is expected in 2025.[4]
References
- ^ a b GBRf orders 30 Stadler Class 99 bi-mode locos Modern Railways 29 April 2022
- ^ Peter Dearman (21 December 2022). "The Future role of rail: A strategic freight network". RailEngineer. Rail Engineer Magazine. Retrieved 26 February 2023.
Bi-mode locomotives have the flexibility to take power from the wires or diesel fuel. Yet they have limited spaced for an engine due to their electric traction equipment. It is understood that the recently ordered Class 99 bi-mode locomotives will only be able to deliver 1,600kW at the rail.
- ^ "GBRf orders Stadler bi-mode Class 99 locomotives". Railnews. Retrieved 29 April 2022.
- ^ "Stadler Class 99 bi-mode Co'Co' locomotive being introduced to UK in deal with Beacon Rail and GBRf". RailBusinessDaily. 29 April 2022. Retrieved 29 April 2022.
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