speed
distance
engine RPM
fuel consumption
engine - drive shafts - clutch - main shafts - counter shafts - final driven gear - wheels
engine - clutch - main shaft - counter shaft - final driven gear - drive shafts - wheels
engine - clutch - counter shafts - main shaft - final driven gear - drive shafts - wheels
engine - main shaft - counter shaft - clutch - final driven gear - drive shafts - wheels
engine
rear axle
propeller shaft
differential
vehicle speed
torsional vibrations
jerky starts
none of these
steel rivets
brass rivets
aluminium screws
steel screws