UPDATED SCRIPT 2026 PRACTICE
SOLUTIONS GRADED A+
● Gross Combination Weight Rating (GCWR). Answer: Of the tow
truck plus the GCWR of the vehicle being towed.
● Light Duty. Answer: Tow Trucks have a GCWR of 8,600 - 10,000
pound (cars, trucks, small vans)
● Medium Duty. Answer: Tow Trucks 10,001 - 26,000 pounds (trucks,
buses, recreational vehicles)
● Heavy Duty. Answer: Tow Trucks have a GVWR of over 26,000
pounds (Larger buses, trucks, trailers, and heavy construction
equipment)
● Car Carriers. Answer: Designed to transport one to three motor
vehicles in a flat platform that slides or tilts to the ground.
● Gross Vehicle Weight Rating (GVWR). Answer: The weight of a
vehicle plus the maximum carrying capacity recommended by the
vehicle's manufacturer.
, ● Gross Axle Weight Rating (GAWR). Answer: Is the amount of weight
that a single axle or a combination of axles is designed to carry.
● Curb Weight. Answer: Unloaded weight of the tow truck
● Overhang. Answer: Is measured from the center of the lift point to the
center of the rear axles of the tow truck
● Safe Towing Capacity (STC). Answer: May be defined as the amount
of weight or load that doesn't cause more that 50% loss of original
unloaded front axle weight.
● Front Axle Weight (FAW). Answer: Curb weight of the front axle
● Wheelbase (WB). Answer: The distance from the centerline of the
front axle to centerline of rear axles and its overhang.
● Breaking Strength Rating. Answer: The maximum weight or load that
new, unused equipment can bear, under ideal laboratory conditions
without being damaged
● Society of Automotive Engineers (SAE). Answer: Rating for winches
applies to a bare drum with it first layer of cable.