Trailer Types & Dimensions

Discover the power of our trailer dimensions tool, designed to assist you in efficiently planning and executing your logistics for large projects. With this user-friendly tool, you can easily access essential trailer dimensions and make informed decisions for your cargo requirements.

At our High Stakes Freight® company, we specialize in expert logistics transport services, ensuring your valuable cargo is handled with utmost care and delivered on time. Contact us today to leverage our expertise and experience seamless logistics for your large-scale projects.

Please visit Stream Modular for information about modular trailers.

Variations in length and height are common, but width is more standardized. The standard dimensions of semi-trailers are:

Length: 48 - 53 ft Width: 8.5 ft Height: 13.5 ft

Flatbed

Step Deck

Double Drop

Extendable Double Drop

RGN

Extendable RGN

Hot Shot

Dry Van

Reefer

Conestoga

Intermodal

Pup

Flatbed Trailer

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Flatbed semi trailers are designed to transport products which are long, heavy or oddly proportioned which creates a challenge when loading/unloading an enclosed trailer. The open nature of the trailer allows for loading / unloading from the rear, sides or top; allowing forklifts and cranes to create an even lift on the freight. Flatbeds are best suited being loaded / unloaded from the ground, rather than from a dock.

Semi Trailer Dimensions
Length	48' - 53'
Width	102"
Height	60"

Typical Cargo Maximums
Cargo Width	102"
Cargo Height	102" - 108"
Cargo Weight	48,000 lbs
Pallet Count	24

Step Deck Trailer

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Step deck semi trailers, also known as drop decks, are designed to transport products which are too tall for a standard flatbed. The trailer consists of two decks, the upper and lower. The use of the lower deck, or well, allows for freight up to 10’ high to be legally transported, while still providing the same loading / unloading capabilities of a standard flatbed.

Semi Trailer Dimensions
Length: Total	48' - 53'
Length: Lower Deck	37' - 43'
Length: Upper Deck	10' - 11'
Width	102"
Height: Lower Deck	36 - 42"
Height: Upper Deck	60"

Typical Cargo Maximums
Cargo Width	102"
Cargo Height	120" - 126"
Cargo Weight	45,000 lbs
Pallet Count	24

Double Drop Trailer (Lowboy)

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Double drop semi trailers are designed to transport oversize freight, both legally and through the use of permits / escorts. Comprising of three decks: the upper, lower, and well. The low profile nature of the well allows for freight up to 12’ high to be legally transported. With multiple trailer variations, such as an extendible deck, double drops allow for the transport of a wide array of oversized freight.

Semi Trailer Dimensions
Length: Total	48'
Length: Main Well	26' - 30'
Length: Front/Rear Decks	8' - 10'
Width	102"
Height	18" - 24"

Typical Cargo Maximums
Cargo Width	102"
Cargo Height	144" - 150"
Cargo Weight	40,000 lbs

extendable double drop Semi Trailer Dimensions

extendable double drop Semi Trailer Side

extendable double drop Semi Trailer Rear

Extendable Double Drop Trailer (Lowboy)

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Extendable Double Drop trailers are designed to transport both legal and oversized (permitted, escorted) freight, and are specifically useful for commodities which are too long for the 'Well' of a standard Double Drop trailer. Extendable Double Drop's have the ability to extend out their 'Well' via two (2) bars, which allows longer commodities to be fully supported, length wise. Double Drops allow for the transport of a wide array of oversized freight which can be loaded and offloaded via a crane.

Semi Trailer Dimensions
Length: Total	Approx 80' (fully extended)
Length: Main Well	31' - 60'
Length: Front/Rear Decks	8' - 10'
Width	102"
Height	18" - 24"

Typical Cargo Maximums
Cargo Length	60'
Cargo Width	102"
Cargo Height	144" - 150"
Cargo Weight	40,000 lbs

RGN Trailer

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RGN (removable gooseneck, also called low boy or double drop) semi trailers are designed to transport oversize freight, both legally and through the use of permits / escorts. RGNs are specifically useful for products which can be driven onto the trailer, such as tractors, specialty vehicles, and heavy machinery. With the ability to detach from the cab, and with drop down ramps, freight can easily be driven on and off.

Semi Trailer Dimensions
Length: Total	48'
Length: Main Well	26' - 30'
Length: Rear Deck	8' - 10'
Width	102"
Height	18" - 24"

Typical Cargo Maximums
Cargo Width	102"
Cargo Height	144" - 150"
Cargo Weight	40,000 lbs

Extendable RGN Trailer

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Extendable RGN (Removable Gooseneck) trailers are designed to transport both legal and oversized (permitted, escorted) freight, and are specifically useful for commodities which are too long for the 'Well' of a standard RGN trailer. Extendable RGNs have the ability to extend out their 'Well' via two (2) bars, which allows longer commodities to be fully supported, length wise. In addition, with the ability to detach from the cab, coupled with drop down ramps, freight can easily be driven on and off, such as heavy machinery, or loaded and offload via a crane such as modular buildings.

Semi Trailer Dimensions
Length: Total	Approx 80' (fully extended)
Length: Main Well	31' - 60'
Length: Rear Deck	8' - 10'
Width	102"
Height	18" - 24"

Typical Cargo Maximums
Cargo Length	60'
Cargo Width	102"
Cargo Height	144" - 150"
Cargo Weight	40,000 lbs

Hot Shot Trailer

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Hot shot semi trailers are to transport products which are long or oddly proportioned. However, they are limited to lower cargo weight. The open nature of the trailer allows for loading / unloading from the rear, sides or top; allowing forklifts and cranes to create an even lift on the freight. The low profile nature of the deck allows for freight up to 10’ high to be legally transported.

Semi Trailer Dimensions
Length	40'
Width	102"
Height	36" - 42"

Typical Cargo Maximums
Cargo Width	102"
Cargo Height	120" - 131"
Cargo Weight	15,000 lbs

Dry Van Trailer

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Dry van semi trailers are designed to transport the most versatile of dry products due to the fully enclosed nature of the trailer, which allows freight to be protected from the elements. Palletized products are most common as they can be efficiently and safely loaded / unloaded with a forklift or pallet jack from a dock.

Semi Trailer Dimensions
Length	48' - 53'
Width	102"
Door Height	110"
Total Height	13'6"

Typical Cargo Maximums
Cargo Width	98" - 101"
Cargo Height	108" - 110"
Cargo Weight	45,000 lbs
Pallet Count	24 - 26

Reefer Trailer

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Reefer semi trailers are designed to transport products which require to be kept at a specific temperature or temperature range through the entirety of the transit. While reefers are traditionally utilized to keep freight cold, reefers have the ability to be kept at warmer temperatures to protect freight from freezing, or run dry freight with the refrigeration unit turned off.

Semi Trailer Dimensions
Length	48' - 53'
Width	102"
Door Height	110"
Height	13'6"

Typical Cargo Maximums
Cargo Width	96" - 98"
Cargo Height	103.5"
Cargo Weight	44,000 lbs
Pallet Count	24

Conestoga Trailer

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Conestoga semi trailers are designed to offer the enclosed nature of a dry van, while providing the same loading / unloading capabilities of a flatbed. A sliding curtain, when open, allows for freight to be loaded / unloaded from the side, rear, or top. When closed, the curtain offers the weather protection of a dry van without the risk of tarps rubbing against the freight.

Semi Trailer Dimensions
Length	48' - 53'
Width	102"
Door Height	98" - 102"
Total Height	13’ 6"

Typical Cargo Maximums
Cargo Width	102"
Cargo Height	98" - 102"
Cargo Weight	45,000 - 48,000 lbs
Pallet Count	24 - 26

Intermodal Trailer

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Intermodal semi trailers are designed to transport palletized shipments which require a fully enclosed trailer. Intermodal containers are specifically useful for products with no time sensitivity in order to capture the cost savings of rail transit. These cost savings are the most substantial when shipping in/out of major market lanes over 1,500 miles.

Semi Trailer Dimensions
Length	53'
Width	102"
Door Height	109"
Total Height	114"

Typical Cargo Maximums
Cargo Width	98"
Cargo Height	109.5"
Cargo Weight	42,500 - 43,000 lbs
Pallet Count	26

Pup Trailer

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Pup semi trailers are designed to pick up and deliver local palletized freight. The reduced length of pup trailers allows for easy maneuverability in/out of non-commercial areas not suited for larger trailers. Pup trailers are the most common type of equipment with a lift gate affixed to allow unloading / loading at locations with no dock or proper freight handling equipment.

Semi Trailer Dimensions
Length	28'
Width	102"
Door Height	104"
Total Height	13'6"

Typical Cargo Maximums
Cargo Width	98" - 100"
Cargo Height	95"
Cargo Weight	22,000 lbs
Pallet Count	14

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