Class 245, 246, 285
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Classes 245, 246 and 285 are diesel-electric versions of Bombardier's TRAXX design. All are Bo-Bos rated at 3000 to 3200hp. Classes 245 and 246 are geared for 160km/h while the 285 is geared for 140km/h. The 245 is unusual in having 4 small engines instead of one large prime mover.
The 285 has nose suspended traction motors, a simple arrangement but unkind to the track at higher speeds due to the high unsprung weight. The 245 and 246 are intended for passenger work and fitted with quill final drives, reducing the unsprung weight and making them more suitable for speeds above 140km/h.

The 245 is unusual in having 4 small diesel engines, each producing around 750hp, instead of one large engine. The idea is that full power is only required for a small proportion of the time an engine is running and costs and emissions can be reduced by shutting down up to 3 engines when they aren't required.
page : 1009
WK000 : 2024-12-09
CS000 : 2022-08-25
CK000 : 2022-12-03
GS000 : 2022-08-27
GK000 : 2022-09-04








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