| Class BB 8500 | |
|---|---|
| SNCF BB 8629 at Matabiau Station, Toulouse (2006-07-05) | |
| Power type | Electric |
| Builder | Alsthom |
| Build date | 1964-1974 |
| Total produced | 146 |
| UIC classification | B'B' |
| Gauge | 1,435 mm (4 ft 8 1⁄2 in) |
| Driver diameter | 1100 mm |
| Length | 14.70 m (8501-8536) 14.94 m (8537-8587) 15.57 m (8588-8646) |
| Locomotive weight | 78 t (8501-8536) 79 t (8537-8587) 80 t (8588-8646) |
| Electric system | 1.5 kV DC |
| Current collection method |
pantograph |
| Transmission | 2×660 TAB A1 (8501-8536) or 2×TAB 660B1 (8537-8646) monomotors |
| Top speed | 100 or 140 km/h |
| Power output | 2,610 kW (8501-8536) 2,940 kW (8537-8646) |
| Tractive effort | 323 kN or 197 kN |
| Career | SNCF VFE* SNCF TER† SNCF Transilien‡ SNCF Infra¤ |
| Class | *¤BB 8500 †‡BB 8500 & BB88500 |
| Number in class | *2[1] †43[2] ‡4[3] ¤2[4] |
| Nicknames | Danseuses (Dancers) |
| Locale | *Tournay-Capvern †TER Bourgogne, Midi-Pyrénées, Languedoc & Rhône-Alpes. ECS at Paris-Gare de Lyon, Paris-Gare d'Austerlitz & Lyon |
| Disposition | *Banking engine ‡¤to be passed to TER |
The SNCF Class BB 8500 class are part of a series of electric locomotives built by Alsthom for SNCF. They are the direct current version of the 25kV alternating current SNCF BB 17000 and dual system SNCF BB 25500.
The locomotives are fitted with monomotor bogies with two different gear ratios. This allows them to increase their tractive effort in exchange for a reduction their top speed. This makes them suitable for both freight and passenger trains. They acquired the nickname Danseuses (dancers) due to their tendency to sway from side to side at speed. This tendency lead to them being blacked at a number of depots.[5]
They were built a three distinct batches leading to detail differences. They remain in use as mixed traffic locomotives, mostly with TER and but with some remaining for special duties. 30 locomotives, dedicated to empty stock moves, have been reclassified as BB 88500.[2] Likewise in 2001, 20 of the class were dedicated for workings on the Ligne de la Maurienne. They were classified BB 8700 for this period.
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