What Is The Size Of A Semi Race Trailer

Semi Trailer Dimensions, Length & What Can You lot Haul

While the term semi trailer is used by the public to refer to the common box trailer-tractor cab combinations seen driving down the highway, the reality is that this word encompasses a vast assortment of trailer types. For those who work in the industry, understanding the specifics of semi trailer dimensions and what each style of trailer can haul is cardinal.

The post-obit guide will walk through common trailer styles, their dimensions, including length, width, and height, besides every bit what capacity loads they can haul. Additionally, a few key regulations around semi trailer dimensions and load weights will be outlined, helping operators empathise when specialized permits are required past state.

Dimensions, Length, and Freight Weight by Trailer Type

Not all semi trailers are designed with the same use case in mind. For this reason, their dimensions and load weight vary based on what they are intended to booty. The following list curated from Paige Ltd. quickly breaks down some of the most common semi trailer dimensions.

Flatbed Trailers

Flatbed trailers can haul a maximum weight of 48,000 pounds. However, tri-axle trailers can booty upward to 65,000 pounds, making them ideal for heavy cargo.

Common dimensions for flatbeds are every bit follows:

Length- 48 ft – 53 ft
Width- 8.5 ft
Acme- viii.five ft

Dry out Vans

Dry vans boast a freight weight of 42,000 pounds to 45,000 pounds, depending on the specific van. A dry van with a tri-axle, nevertheless, tin can haul up to 63,000 pounds.

Common dry van dimensions are as follows:

Length- 48 ft – 53 ft
Width- 8.2 ft
Height- 8 ft

Refrigerated Trailers

Refrigerated trailers are designed to ship temperature-sensitive items, such equally produce, dairy goods, and other foods. Their max freight weight is 42,000 to 45,000 pounds for a standard refrigerated trailer and 63,000 pounds for a tri-axle.

Common refrigerated trailer dimensions are as follows:

Length- 48 ft – 53 ft
Width- 8.ii ft
Top- 8 ft

Lowboys

Lowboys offer a maximum cargo weight of 40,000 pounds for a standard two-beam trailer. You can add together on an additional trailer and cargo combination weight of up to 95,000 pounds depending on the number of axles used.

Mutual lowboy trailer dimensions are as follows:

Length- 24 ft – 29.6 ft
Well Tiptop- 18 in – 24 in
Width- 8.5 ft
Legal Freight Height- xi.5 ft – 12 ft
Legal Overall Load Height- fourteen ft

Step Decks

Pace decks are designed with a maximum freight weight of 48,000 pounds for a standard trailer. A tri-axle offers a freight weight of 65,000 pounds.

Common step deck trailer dimensions are as follows:

Length- 48 ft – 53 ft
Width- 8.v ft
Height- x ft

Federal Regulations for Interstates

When operating a semi trailer, it's not just about how the trailer itself was designed to carry loads or how large a manufacturer can create the trailer to be. More importantly, information technology is also about post-obit the legal regulations surrounding trailers. Co-ordinate to the U.S. Department of Transportation Federal Highway Assistants, the following are the mandated maximum weights for the National Organisation of Interstate and Defense force Highways:

80,000 pounds gross vehicle weight
xx,000 pounds single axle weight
34,000 pounds tandem axle weight

Interestingly, a key consideration for semi operators is the spacing of axles. The Federal Highway Assistants looks to protect bridges by computing the number and spacing of axles carrying the load weight. This is called a bridge formula and is applied to commercial vehicles to ensure compliance.

The specific formula from the Federal Highway Administration is as follows:

W=500(LN/N-1 + 12N + 36); where W=overall gross weight on whatsoever group of 2 or more consecutive axles to the nearest 500 pounds. L=distance in anxiety between the extreme of any grouping of 2 or more than consecutive axles, and N=number of axles in the group under consideration

When information technology comes to hauling oversize loads, the federal government is non the one to event permits to operators. Instead, this is handled on a state-past-land basis.

Regulations past Land

When hauling cargo beyond state lines, information technology is critical to empathise what semi trailer dimensions are allowed and what requires boosted permitting.

Different states have their own regulations for oversize load permitting, which can brand the matter even more than complex. The post-obit information gathered from Coast to Coast Trucking Permits extensive state-by-state list helps to highlight the exceptions of which trailer operators should be enlightened.

Single Axle Restrictions

The majority of states allow yous to haul xx,000 pounds on a single axle trailer without a let. However, this is not the example for every country. The following listing breaks downwardly states that do not adhere to this regulation, including information about what necessitates permitting. (Note: in some cases, state's will permit for heavier loads than the standard):

Connecticut: Single axle trailers are allowed upwardly to 22,400 pounds if spaced over half-dozen feet apart
Florida: Unmarried beam trailers are allowed up to 22,000 pounds
Georgia: Single axle trailers are allowed up to 20,340 pounds
Idaho: Single axle trailers are immune upwardly to 24,000 pounds
Iowa: Single axle trailers are allowed up to 20,000 pounds with pneumatic tires and xiv,000 pounds with solid safety tires
Louisiana: Unmarried axle trailers are allowed up to xx,000 pounds on designated highways, and 22,000 pounds on all other roads
Massachusetts: Single beam trailers are immune upwardly to 24,000 pounds
New Hampshire: Single axle trailers are immune upwards to 20,000 pounds or 22,400 pounds if the gross weight is under 73,280 pounds
New Bailiwick of jersey: Single axle trailers are immune up to 22,400 pounds
New Mexico: Unmarried axle trailers are allowed up to 21,600 pounds
New York: Single beam trailers are allowed up to 22,400 pounds
Rhode Island: Unmarried beam trailers are allowed up to 22,400 pounds

Gross Weight Restrictions

When it comes to hauling heavy cargo, gross weight is an important consideration across but cargo weight. The majority of states follow the regulation of fourscore,000 pounds gross weight. However, certain states take unlike allowances as outlined below (Note: in some cases, states will let for heavier gross weight allowances than the standard):

Alaska: Not specified
Colorado: Gross weight equals fourscore,000 pounds on interstates and 84,000 pounds on not-interstate roads
Kansas: Gross weight equals 80,000 pounds on interstates and 85,500 pounds on other routes
Maine: Gross weight equals fourscore,000 pounds on interstates and 100,000 pounds on other highways
New Mexico: Gross weight equals 86,400 pounds
Oklahoma: Gross weight equals 80,000 pounds on state and interstate highways and 90,000 pounds on other roads
Washington: Gross weight equals 105,500 pounds
W Virginia: Gross weight equals 80,000 pounds except on local roads with a gross weight limit of 65,000 pounds
Wyoming: Gross weight on interstates is 117,000 pounds, while the gross weight on other routes is 80,000 pounds

Width Restrictions

In general, states bide past the width restriction of viii anxiety 6 inches. Even so, in some states at that place are exceptions based on the road or load type:

Arkansas: 8'6", except for manufactured homes which have an 8' limit
Florida: 8'6", except for on roads less than 12' broad which have an 8' limit
Kentucky: 8'6" on national networks and 8' on other highways
Michigan: eight'6" on designated highways and viii' on non-designated highways
New York: 8'6" except on highways with a pavement width of less than 10' in which instance information technology is an 8' limit
West Virginia: viii'6" except on local service routes less than ten' wide where an eight' limit is in place

Peak Restrictions

The bulk of states allow for a standard height of 13 feet and vi inches before necessitating special permitting. The following are states that operate with unlike regulations:

Alaska: xv'
Arizona: xiv'
California: 14'
Colorado: 13'
Idaho: 14'
Kansas: 14'
Louisiana: 14' on designated highways and 13'six" on all other roads
Maine: xiv', 13'vi" on Maine turnpike
Missouri: 13'6", 14' on designated highways
Montana: fourteen'
Nebraska: 14'6"
Nevada: fourteen'
New Mexico: 14'
North Dakota: 14'
Oregon: 14'
South Dakota: 14'
Texas: Height xiv'
Utah: 14'
Washington: 14'
Wyoming: 14'

Your Partner for Semi Trailer Acquisition

When it comes to choosing a semi trailer, the right dimensions and load capabilities are critical to getting the task at mitt done. Whether you lot are hauling goods around town or beyond the country, at Transwest, we are here to help you lot acquire the trailers you lot need to go the job done. Talk to our knowledgeable staff today near purchasing additional trailers for your fleet.

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