Government Bill of Lading.
GCW (Gross Combination Weight) Total weight of a
loaded combination vehicle, such as a tractor semitrailer or truck and full
Geared Speed Calculated vehicle speed at the
engine's governed rpm in each transmission gear, or (commonly) in top gear.
Gear Ratio Number, usually expressed as a decimal
fraction, representing how many turns of the input shaft cause exactly one
revolution of the output shaft. Applies to transmissions, power takeoffs, power
dividers and rear axles. Example: If 2.5 revolutions of an input shaft cause one
revolution of the output shaft, the gear ratio is 2.5:1.
Governor A device for regulating a supply of fuel
that keeps the same, maximum speed regardless of the load.
Grade Steepness of a grade, expressed as a
percentage. Example: A vehicle climbing a 5% grade rises 5 feet for every 100
feet of forward travel.
Gradeability Vehicle's ability to climb a grade at
a given speed. Example: A truck with a gradeability of 5% at 60 mph can maintain
60 mph on a grade with a rise of 5%.
GVW (Gross Vehicle Weight) Total weight of a
vehicle and everything aboard, including its load.
GVWR (Gross Vehicle Weight Rating) Total weight a
vehicle is rated to carry by the manufacturer, including its own weight and the
weight of its load.