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Conestoga Trailer
Type of flatbed trailer that provides the complete freight protection of a dry van trailer, but still is fork lift loadable from the sides. The freight protection is provided by an accordion like tarp covering system that creates a cover over the freight on the deck of the flatbed trailer. The term conestoga is a trademark of Aero Industries, Inc., however in trucking talk it will refer to this type of trailer. The term curtain side is also used interchangeably with conestoga.
Curtain Side Trailer
The curtain-side trailer has a roof, rear doors, front wall and resembles a dry van trailer, however the sides are heavy duty material curtains. This allows for loading from the side by fork lifts. Additionally the freight has the complete protection of a dry van trailer. Tautliner is a trademark of Utility Trailer Manufacturing Company, they manufacture curtain van trailers.
Corner Protectors
Any of the various devices ( generally L shaped or V) used to prevent damage to the edges and/or corners freight. Corner protectors are placed under the chains or straps used to secure freight to the deck of the flatbed trailer.
Dunnage
Generally this refers to any type of material used to prevent freight from shifting during transport. May also refer to utilizing wood to raise freight off of flatbed trailer deck so that a forklift may slide underneath to lift the freight, a common example being the 8 foot 2×4(s) under pipes.
TL (Truck Load)
Truck load is use of a flatbed trailer hauling a load or freight that is dedicated to one shipper. Freight or loads from other shippers will not be transported on that. This is also referred to as dedicated truck trailer.
Legal Loads
Generally legal dimensions will vary state by state, generally the dimensions are less than 8&#;6" wide, 13&#;6" high, and meeting the numerous overall (tractor and trailer) length requirements for specific states.
LTL (Less Than Truck Load)
Less than truckload is the use of only a portion of the flatbed trailer deck, so if a skid mounted generator that is 15 feet long and 7 feet wide is shipped on a trailer, there will be deck space available for other freight from other shippers. These partial loads can be combined with other loads, which equates to lower shipping costs for all shippers on that particular flatbed trailer.
Lowboy Trailers
Lowboy trailers, are used to haul freight that would require the need for permits on a standard height flatbed trailer. Generally the term refers to RGN type trailers, that have a well (same as deck) that is very low to the ground, thus tall freight may be loaded onto it.
Over-dimensional Loads
Loads that exceed the legal limits of: height, width, weight or length limits. See Permit Loads below.
Oversize Loads
Loads that exceed the legal limits of: height, width or length, for all roads the load is transported over. See Permit Loads below.
Partial Loads
See LTL above.
Permit Loads (Oversize/Overweight)
Also known as permitted loads. This is another term for an over dimensional load for which will require permits since it may be oversize or overweight. This means that the load will require a permit for all the states that are travelled through, these permits will restrict to times the load may be transported and also the routes the load may be transported over. There may be additional requirements such as pilot cars, bucket trucks, pole cars and police traffic supervision.
RGN (Removable Goose Neck Trailer)
Removable gooseneck trailers feature a front of the trailer mechanism that attaches the trailer to the tractors fifth wheel that is removable, so the trailer creates a ramp that wheeled or tracked machinery can drive onto.
Side-kit Trailers
A flatbed trailer that uses: panels, curved metal bow-shaped spines, and stakes affixed to the side-perimeter of the flatbed trailer, this creates an external structure that allows tarps to be placed over the structure. This creates a covered trailer that will protecting the freight, the same as a tarp would.
Tarp
A tarpaulin is a sheet or cover by definition, thus tarp is the shortened term. A tarp is a large cover made of heavy vinyl/polyester fabric that is used to cover flatbed, step deck and drop deck trailer loads. The key objective of traps is to protect the load or freight from rain, snow, grime and any elements of the road, tarps do not protect from heat or cold. The term "tarp" is also used as a verb to describe a driver covering the freight with a tarp or the need for the driver to do so.
V Boards
These are heavy cardboard, plastic or metal protectors designed to protect the freight from chaffing and damage from straps or chains used to secure the freight. These devices are also called: strap protectors, VEE boards, or tie down strap protectors, they provide an inexpensive way to protect the cargo, plus the straps or chains, and additionally any tarps or covers that come in contact with the corners and edges of the freight.
Another meaning is the use of a corner protection device made of 2 1×4 lumber boards fastened several inches apart by nylon straps. These types of v boards are put on the top edges of brick cubes in order to secure the bricks and prevent shifting o single bricks.
2 inch Portable Straps
2-inch wide strap not permanently mounted to the trailer that may be placed anywhere on the trailer.
4 inch Straps
4-inch wide strap mounted to the side of the trailer to be placed over the load or freight to hold the load or freight down.
5th Wheel Locks/King Pin Locks
Used to prevent a trailer from being stolen, by preventing it from being hooked up to a 5th wheel plate via king pin.
Chains
Used to secure odd shaped, heavy commodities where a typical flat strap will break.
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Dunnage
Miscellaneous wood used to secure by blocking or bracing cargo freight to the trailer, to prevent movement forward or backwards.
Load Bar/Load Locks
Typically an Aluminum bar that hooks inside the van trailer from one side of a trailer to the other to prevent loads from shifting.
Load Binders/Ratchet Binders
Used to tighten a chain down on the load or freight. A lever that pulls two grab hooks together, and holds them by locking overcenter
Tarps
Heavy, thick material used to protect a load from weather conditions throughout its trip. Bungee Cords are used to secure the side of a tarp against a load.
V Boards
Plastic, aluminum, or wood that is formed in the shape of a &#;V,&#; used to disperse the weight of a load to keep it from shifting.
Wench Bars
Bar shaped device used to tighten 4-inch strap ratchets and chain binders.