Classification by operation
trucks that run on limited access highways made of concrete or asphalt and maximum grades that don't exceed 3%
What is turnpike or interstate?
Typically travels 3 miles between starts and stops. Usually 100% loaded going and 40% returning
What is pick-up and delivery?
Backbone of the truck. Equipment attaches to it. Can be double rail or made from high tensile steer
What is the chassis frame?
formula designed to protect bridges and roads
What is the federal bridge gross weight formula?
a normal set of doubles
What is an "A" train?
Trucks that run on well maintained asphalt or concrete roads that are level to rolling with occasional maximum grades of 8%
What is on-highway?
move heavy equipment or materials at maximum legal limits for width, length, and height. Requires high horsepower
What is heavy haul
Twisting force applied to the crankshaft
What is torque?
Weight rating at which a CDL is required
What is class 7 or anything above 26001lbs?
Combination that uses a 5th wheel on the lead trailer to attach the rear trailer
What is a "B" train?
Vehicles that spend 20% of their time operating on secondary roads. Usually operate on crushed concrete or asphalt but sometimes encounter crushed rock. Grades of up to 12% may be encountered
What is on/off highway or chicken truck?
used to haul wood, chips, and pulp. Operate in off-road conditions and require special tires and drive axles.
What is logging.
A chassis consisting of 6 total wheels ends and 4 driven wheels
What is a 6x4?
Maximum weight of vehicle fully loaded
What is the gross vehicle weight rating?
Plate type coupling device that supports the weight of a trailer
What is a 5th wheel?
Spend more than 20% of their time on gravel roads. Not generally subject to legal weight or dimensional limitations
What is off-highway?
Known for rapid acceleration, low annual mileage and high horsepower engines
What are rescue vehicles?
Come in two configurations, COE and conventional
What are cabs?
total weight of the tractor,trailer, or tow vehicle
What is gross combined weight?
Vehicle combination similar to an "A" train except it uses two drawbars instead of one. Used "down under"
What is a "C" train?
Operate primarily in city or urban areas. frequent starts and stops. Must have greater maneuverability.
What is urban?
The yellow loser cruiser
What is a school bus?
Part of the truck that transmits braking and drive forces to the chassis
What is the suspension?
Gross weight limit of a vehicle with 5 axles
What is 80,000 lbs?
Type of hitch that is famous for bruising your shin
What is a ball hitch?