Odometer A device that measures the distance of travel in miles. This
device is attached to the speedometer
O, S & D Overage, shortage and damaged. Someone in
your company is in charge of OS & D. You must call in if you have any of these
conditions with your load before leaving the receiver -- and in some cases, you
must call before even pulling out of their dock.
Overage Extra freight from what should have been
Overdrive Gearing in which less than one revolution
of a transmission's input shaft causes one turn of the output shaft. The purpose
of overdrive is to reduce engine rpm in high gear for better fuel economy.
Example: A transmission with an overdrive top gear has a ratio of 0.70 to one.
Turning the input shaft 0.7 revolutions causes 1.0 revolution of the output