http:\/\/en.wikipedia.org\/wiki\/Semi-trailer<\/p>\n
Different types of semi-trailers are designed to haul different cargoes.<\/p>\n
Common widths are 8 feet (2.44 m), and 2.6 metres (8 ft 6.4 in).<\/p>\n
Box
\nThe most common type of trailer. Also called a van trailer.
\nStandard lengths in North America are 28 ft 0 in (8.53 m), 32 ft 0 in (9.75 m), 34 ft 0 in (10.36 m), 36 ft 0 in (10.97 m), 40 ft 0 in (12.19 m), 45 ft 0 in (13.72 m), 48 ft 0 in (14.63 m) and 53 ft 0 in (16.15 m).<\/p>\n
Bus
\nA bus bodied trailer hitched to a tractor unit to form a trailer bus, a simple alternative to building a rigid bus.<\/p>\n
Car-carrying trailer
\nCarries multiple cars; usually new cars from the manufacturer. In the U.S., car carriers often carry used vehicles, as well.<\/p>\n
Curtain sider
\nA curtain sider is similar to a box trailer except that the sides are movable curtains made of reinforced fabric coated with a waterproof coating. The purpose of a curtain sider is to allow the security and weather resistance of a box trailer with the ease of loading of a flatbed.<\/p>\n
Drop-deck trailer
\nA drop-deck trailer is a trailer on which the floor drops down a level once clear of the tractor unit; the most common types of drop-deck trailer are flatbeds and curtain siders.<\/p>\n
Double decker
\nDouble deckers or deckers are trailers with either a fixed, hinged or moveable second floor to enable them to carry more palletised goods. In general a double decker can carry 40 pallets, as opposed to 26 for a standard trailer. Double deck trailers are generally a stepped box or curtain siders, with box trailers having either a fixed or movable (floating) deck, and curtain sides having either a fixed or hinged second deck; this hinged second deck generally swings into a position down the length of the trailer, and can be divided into 2 or 3 sections to allow greater load flexibility.<\/p>\n
Dry Bulk
\nResembles a big tanker, but is used for sugar, flour, and other dry powder materials.<\/p>\n
Flatbed
\nConsists of just a load floor and removable side rails and a bulkhead in front to protect the tractor in the event of a load shift. Can haul almost anything that can be stacked on and strapped down.<\/p>\n
Lowboy
\nType of flatbed in which the load floor is as close to the ground as possible. Most commonly used to haul heavy equipment, cranes, bulldozers, etc.<\/p>\n
Reefer – see Refrigerator truck
\nBox trailer with a heating\/cooling unit (reefer) attached. Used for hauling produce, ice cream, etc.<\/p>\n
Sidelifter
\nSemi-trailer with hydraulic cranes mounted at both ends of the chassis allowing for the loading and unloading of shipping containers without the need of a forklift or other container handling equipment.<\/p>\n
Tanker – see Tank truck
\nUsed for hauling liquids such as gasoline, milk, orange juice, and alcohol.<\/p>\n
Frac
\nA type of tank trailer with a single and fixed axle, typically used during hydraulic fracturing at oil wells.<\/p>\n","protected":false},"excerpt":{"rendered":"
http:\/\/en.wikipedia.org\/wiki\/Semi-trailer Different types of semi-trailers are designed to haul different cargoes. Common widths are 8 feet (2.44 m), and 2.6 metres (8 ft 6.4 in). Box The most common type of trailer. Also called a van trailer. Standard lengths in North America are 28 ft 0 in (8.53 m), 32 ft 0 in (9.75 m), … <\/p>\n