Flatbed Trailer Dimensions Guide

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Flatbed Trailer Dimensions Guide in Oklahoma City
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If you are looking to transport large equipment, machinery, or other bulky items, a flatbed trailer can be an ideal solution. Flatbed trailers offer an open platform that makes it easy to load and unload items of various sizes and shapes. However, choosing the right flatbed trailer for your specific needs can be a daunting task. In this guide, we will provide you with all the information you need to know about flatbed trailer dimensions.


A flatbed trailer is an ideal transportation solution for cargo that cannot fit in a closed trailer or requires loading from the top or sides. With a flat and open deck, it can carry various types of loads, including heavy equipment, machinery, and oversized materials. However, selecting the right flatbed trailer dimensions can be challenging, especially if you’re new to the industry.

Standard Flatbed Trailer Dimensions

Standard flatbed trailers have a length of 48 to 53 feet, a width of 8.5 feet, and a height of 8 to 8.5 feet. Let’s explore these dimensions in more detail.


Flatbed trailers come in two standard lengths: 48 feet and 53 feet. The length of a trailer is determined by measuring from the kingpin to the rear bumper. The 48-foot trailer is the most commonly used, while the 53-foot trailer is the maximum allowable length in most states.


The standard width of a flatbed trailer is 8.5 feet. This measurement includes the trailer’s side rails and includes a clearance of approximately 6 inches on each side. However, some flatbed trailers can extend up to 10 feet wide to accommodate wider loads, such as building materials or large machinery.


The height of a flatbed trailer ranges from 8 to 8.5 feet. This measurement includes the trailer’s overall height, including the deck height, side rails, and any other attachments. However, some specialized flatbed trailers, such as lowboys or stretch trailers, may have a lower deck height or higher overall height.

Weight Limit

The maximum weight a standard flatbed trailer can carry is 48,000 pounds. However, this weight limit can vary depending on the state and type of cargo being transported. For example, a flatbed trailer carrying heavy machinery or oversized loads may require additional permits or escorts to ensure safety.

Specialized Flatbed Trailer Dimensions

Apart from standard flatbed trailers, specialized trailers can accommodate unique cargo and transportation requirements. Here are four types of specialized flatbed trailers and their dimensions:

Lowboy Trailers

Lowboy trailers have a lower deck height, which makes them ideal for transporting taller loads, such as heavy machinery or equipment. They have a length of 29 to 53 feet, a width of 8.5 to 9.5 feet, and a height of 11 to 14 feet.

Drop Deck Trailers

Drop deck trailers, also known as step deck trailers, have two levels, with the rear deck being lower than the front deck. This design allows for higher loads while maintaining a lower overall height. They have a length of 48 to 53 feet, a width of 8.5 feet, and a height of 10 to 11 feet.

Stretch Trailers

Stretch trailers can expand to accommodate longer loads, making them ideal for carrying construction materials or piping. They have a length of 48 to 80 feet, a width of 8.5 feet, and a height of 8 to 9 feet.

Double Drop Trailers

Double drop trailers, also known as lowboy double drop trailers, have two drops in their deck design. This allows for taller loads to be transported while maintaining a low overall height. They have a length of 48 to 53 feet, a width of 8.5 feet, and a height of 10 to 11 feet.

Choosing the Right Flatbed Trailer

Choosing the right flatbed trailer depends on various factors, such as the type of cargo, transportation route, and regulations. Consider the weight and size of the load, as well as any potential height restrictions or permits required for transportation. It’s also essential to select a trailer with adequate weight capacity and sturdy construction to ensure safe and efficient transportation.

Maintenance and Safety Tips

Regular maintenance is crucial for keeping your flatbed trailer in good condition and ensuring safe transportation. Inspect the trailer regularly for any signs of wear or damage, such as worn tires or damaged decking. Always secure the load correctly, use proper tie-downs, and comply with all regulations for transportation safety.


Selecting the right flatbed trailer dimensions is essential for safe and efficient transportation. Standard flatbed trailers have a length of 48 to 53 feet, a width of 8.5 feet, a height of 8 to 8.5 feet, and a weight limit of 48,000 pounds. Specialized flatbed trailers, such as lowboy, drop deck, stretch, and double drop trailers, offer unique dimensions to accommodate various cargo types and transportation requirements. By considering your cargo, route, and regulations, you can choose the right flatbed trailer for your transportation needs.

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