Rail technology supplier
Bombardier's re-traction project is part of London Underground's larger Central Line Improvement Programme (which aims to bring a number of passenger-focussed improvements and is expected to reduce customer-affecting failures on the Central line fleet.
For the programme, Bombardier will replace the direct current (DC) traction motors on Central line trains with the latest MITRAC alternating current (AC) traction systems and MITRAC traction control equipment. The Central Line '92 tube stock are the last London Underground trains to use DC traction motors, and MITRAC will bring benefits by reducing energy consumption while improving fleet reliability and performance. In total, Bombardier will supply new motors and traction control equipment for 85 eight-car Central Line trains (680 cars in total).