High Quality Content by WIKIPEDIA articles! The Eurotunnel Class 9 or Class 9000 are a series of 6 axle high power Bo`Bo`Bo` single ended electric locomotives built by the Euroshuttle Locomotive Consortium (ESCL) of Brush Traction and ASEA Brown Boveri. The class were designed for, and are used exclusively to haul the Le Shuttle road vehicle services through the Channel Tunnel.