BB 600 Locomotives

BB 600 Locomotives

1974

The BB 600 locomotives are twin-engine machines with 2 Asynchro gearboxes that drive a reversing bridge located on each bogie. The second axle of the bogie is connected to the first by connecting rods

Effort perfectly regulated at low speed

The connecting rod bogies were then replaced by bogies with bridges and cardan shafts. These machines, capable of running at 90 km/h but also of maintaining a constant effort at low speeds, were chosen by Speno to pull the track grinding trains.

Locomotives 600 Speno number 2
Locomotives 600 Speno number 2

General characteristics

Diagram BB SPENO
Diagram BB SPENO

General characteristics

General characteristics
FeaturesValues
Total weight48 to 60 tons
Longueur11980
Largeur2580
Bogie pivot spacing5300
Bogie wheelbase 2000
Wheel diameter860
Minimum curved entry rail80 metres
Maximum speed80 km/h
Hook effort (limited by adhesion) 21 tonnes
2 Diesels global power600 to 840 horsepower
2 CouplersFerodo
2 GearboxesCFD Asynchro 8-speed
CFD Bridge reverser

Power curve

Traction curve Speno locomotive
Traction curve Speno locomotive

Special features

General characteristics
CustomerSpecific Features
Speno 1 to 4600 horsepower normal track (connecting rod bogie then bridge bogie)
Speno 5 to 8840 horsepower normal track (connecting rod bogie then bridge bogie)
CFCMetric channel version

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