Reduced power consumption and improved ride stability with world’s first use of lightweight
CFRP leaf springs in a bogie
Weight reduction of about one ton per car lowers running costs, such as electricity and maintenance expenses, and cuts CO2 emissions. Noise and vibration are also minimized.
A next-generation rolling stock bogie, the efWING features the world’s first application of CFRP (carbon fiber reinforced plastic) in a bogie frame and also integrates the function of coil spring suspension into the enhanced frame design