The card includes truck-specific information, is non-transferable, and the original must be kept in the cab at all times.Ĭabover Truck-boxy, flat-front style of truck design in which the engine is underneath the cab, as opposed to under the hood in front like it is on conventional tractors. Bridge formulas takeinto account gross weight, number of axles, axle spacing, and overall length.īroker-transportation service providers that act as intermediaries between shippers and carries.īulk Carrier-bulk carriers haul loose, unpackaged freight like sand, gravel, gasoline, and scrap steel.īulk Freight-bulk freight is shipped unpackaged in large volumes and may include coal, crude oil, crushed stone and grain.īull Hauler-a truck and driver hauling live cattle (not to be confused with a hog hauler).īunk Cab-a truck’s sleeper berth that usually includes a bed and storage areas for clothes and personal items for the truck driver.Ĭab Card-a state issued document that shows the states in which a commercial vehicle is authorized to operate. Brake chambers on heavy-duty trucks convert air pressure to mechanical pressure to slow the vehicle when the driver depresses the brake pedal.īrake Drum-a brake drum is a rotating cylinder that when pressed against by a brake pad or shoe causes friction which slows the vehicle.īridge Formula-a mathematical equation used by DOT and state transportation agencies to determine the maximum allowable weight of commercial vehicles. Bogies come in a variety of shapes and sizes for different applications.īonded Warehouse-apublicor privatewarehouse or storage facility where goods may be stored, assembled or manufactured without being subject to duty.īrake Chamber-a sealed canister that houses the brake’s working parts. Blind side backing is much more difficult than driver side backing, and should be avoided whenever possible.īobtail-a tractor without a trailer attached.īogie-a chassis or frame that attaches a wheel-set to another vehicle or trailer. Binders are usually short-term and have expiration dates.īlack Ice-a thin sheet of invisible ice that forms on wet roadways during freezing conditionsīlind Siding-backing into a parking spot or loading dock where the trailer is angled away from the driver on the passenger’s side. Usually 12,000 pounds for a steer axle, and 34,000 pounds for tandem drive and trailer axles.īackhaul-a return load that will get a driver back home or close to his company’s terminal.īase Plate-a semi tractor’s license plate issued from the state in which the vehicle is registered.īear-state trooper or highway patrolman (or woman).īed Bugger-another name for a household goods driver or professional mover.īelly Dump-a dump trailer that unloads its contents through a hopper in the bottom as opposed to raising its bed like a traditional dump truck.īill of Lading-a document detailing an agreement between a shipper and carrier that usually includes information like commodity, weight, pick-up and delivery dates, and payment terms.īinder/Insurance-an insurance binder is written confirmation of pending coverage that’s provided by an insurer until the actual policy paperwork is available. This often results in shorter braking distances and safer operation in snow, ice and on wet road surfaces.Īir Freight-freight that’s shipped at least partially by air.Īir Ride Suspension-suspensions that use air bags to provide a much smoother ride which may be necessary for sensitive freight like household goods and electronics.Īudit- a safety audit is a review of a motor carrier’s records by the DOT in order to verify that it has satisfactory safety management controls in place that are compliant with Federal Motor Carrier Safety Regulations (FMCSRs).Īuthority-motor carrier authority is mandatory for trucking companies operating as for-hire carriers transporting passengers or regulated commodities while engaged in interstate commerce.Īuthorized Carrier-an authorized carrier is one that’s included on a list of pre-approved transportation providers for a particular shipper.Īxle-the steel shaft connecting wheels on opposite sides of a vehicle.Īxle Rating-the maximum allowable weight allowed on an axle or pair of grouped axles. ABS-anti-lock brakes use short applications of pressure to prevent wheels from locking up during braking.
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