powershift
twin-clutch gearbox
synchromesh
stickshift
tranny
auto
standard transmission
stick shift
downshift
gear train
four-wheel drive
synchronizer
linkage
reverse gear
mechanotransmission
automatic transmission
automatic drive
PRNDL
automated manual transmission
grip
dual-clutch gearbox
gearknob
clutch
gearbox
shuffler
patch
self-changing
driving band
four-on-the-floor
tractor
standard
cambox
tramway
decompactor
mechanotransductor
tape drive
moving part
muffle
gearstick
friction drum
Rube Goldberg machine
semi-automatic
multimachine
toolholder
gearset
second gear
semi-automatic transmission
thermode
shifter
corrugator