US15 is a train for Ultrasonic testing of Rail in France.



Some technical details:  
Year of manufacture 2015
Track gauge 1435 mm
Vehicle length incl. buffer 19700 mm
Pivot pin distance 14500 mm
Wheel base of the bogies 1800 mm
Vehicle mass maximum load 62215 Kg
Traction Pulled vehicle
Vmax automotive 120 km/h
Vmax in the trainset 120 km/h
Vmax test speed 80 km/h but now limited at 70 km/h