This standard applies to the gear wheels (GW) of the traction gearbox and their components, the gearbox housing for subway rolling stock. This standard is intended for use in the development, production, modernization of traction gearboxes and their components, gearbox housings for metro rolling stock
GOST 34863-2022 history
2022GOST 34863-2022 Traction reducer tooth gears and its blanks, reducer gear housing for subway rolling stock. Specifications