ведучий вал коробки передач
propeller shaft (drive shaft)
drive line / drive (propeller) shaft
main drive shaft
input gearbox shaft
accessory drive gearbox
hollow shaft (of lower coaxial shaft)
winch drive shaft
double-shaft drive
drive shaft interlock ball
engine drive shaft
fan drive propeller shaft
tail rotor drive shaft
tail rotor drive shaft in pylon
drive shaft
pylon drive shaft
all-wheel drive / all wheel drive
main defense area (line) / main defensive position
main tank/ main fuel tank
main gear box / main rotor transmission
main rotor transmission / main gear box
main-rotor head / main-rotor hub
main-rotor hub / main-rotor head
gearbox / gear box
change-speed gearbox
crash-type gearbox
8-speed automatic gearbox
epicyclic gearbox
angular gearbox
antitorque gearbox
central gearbox
propeller gearbox
tail gearbox