Page 12 - NTT Holding

Production

In the course of its activity NTT Holding
is engaged in the development and

production of components for

electric rolling stock, including the

production of wheelsets, high-voltage

electro-pneumatic contactors, high-

speed switches, gearboxes, gapless

couplings and much more.

For example, over 15,000

gearboxes have been produced

in 15 years. They were specifically

designed to increase reliability

and extend their service life by
more than 20 years. This

gearboxes replaced the

previously used gearboxes with a

service life of 3 years. To date, not

a single complaint have been

received.