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How long is a Dodge Ram 3500 long bed?

The Dodge Ram 3500 long bed is typically about eight feet long (roughly 96 inches); the standard bed is about six feet four inches (76 inches). The exact measurement can vary slightly by cab configuration and model year.


The Ram 3500, a heavy‑duty pickup, has offered two bed-length options across many model years: a short/standard bed and a long bed. Availability depends on the cab style and year, so the precise length for a given truck may differ.


Bed lengths and configurations


Below is a quick breakdown of the two bed length options commonly found on Ram 3500 models:



  • Long bed: 8 feet (about 96 inches). This option maximizes cargo space behind the cab and is favored by users who haul long loads.

  • Standard/short bed: 6 feet 4 inches (about 76 inches). This length is more prevalent with certain cab configurations and trims for a more compact overall footprint.


Availability of each bed length varies by model year, cab style (Regular vs. Crew), and market. Always verify the exact bed length for a specific vehicle with the dealer or by checking the build sheet.


Practical considerations and verification


The bed length influences payload, towing setup, and overall vehicle length. If you’re shopping used or building a new Ram 3500, confirm the bed length for the exact configuration you want, as not every cab/trim combination offers both options.


How to verify the length for your build


To confirm the bed length for a particular Ram 3500, check the window sticker (Monroney label), review the official model-year brochure, contact the dealer, or measure the bed directly from inner front wall to the tailgate (accounting for wheel wells and tailgate fittings).


Summary


In summary, a Dodge Ram 3500 long bed measures about 8 feet (around 96 inches), while the standard bed measures about 6'4" (roughly 76 inches). Exact lengths depend on the cab configuration and model year, so verify for your specific truck before purchase or use.

How long is a RAM 3500 Mega Cab long bed?


A Ram 3500 Mega Cab is only available with a 6'4" (76.3 inch) bed, not a long bed. The "long bed" option is available on the 8-foot bed model, but it is not compatible with the Mega Cab configuration. 

  • Mega Cab bed length: The Mega Cab configuration is exclusively offered with the 6'4" bed option, which is approximately 76.3 inches long.
  • Long bed availability: The 8-foot long bed is available on the Crew Cab configuration, but it cannot be combined with the Mega Cab.



What are the dimensions of a RAM 3500 truck bed?


The RAM 3500 comes with two bed size options: a 6-foot 4-inch bed with a length of 76.3 inches, a width of 66.4 inches, and a volume of 57.5 cubic feet; or an 8-foot bed with a length of 98.3 inches, a width of 66.4 inches, and a volume of 74.7 cubic feet. Both options have a depth of 20.2 inches.
 
6-foot 4-inch bed

  • Length: 76.3 inches
  • Width: 66.4 inches
  • Depth: 20.2 inches
  • Volume: 57.5 cubic feet 

8-foot bed
  • Length: 98.3 inches
  • Width: 66.4 inches
  • Depth: 20.2 inches
  • Volume: 74.7 cubic feet 



How long is a Dodge RAM 3500 in feet?


The length of a Ram 3500 varies by configuration, but a common model like the 8-foot bed Crew Cab is approximately 21.75 feet (260.8 inches) long, while a 6-foot 4-inch bed Crew Cab is about 19.8 feet (237.4 inches) long. The longest configurations, such as the Mega Cab with an 8-foot bed, can be even longer. 

  • 8-foot Bed Crew Cab: Approximately 21.75 feet (260.8 inches) 
  • 6-foot 4-inch Bed Crew Cab: Approximately 19.8 feet (237.4 inches) 
  • Mega Cab (8-foot bed): Approximately 21.75 feet (260.8 inches) 
  • Long Bed (Crew Cab): Approximately 21.8 feet (262.9 inches) 



How long is a 3500 crew cab long bed?


22'2.8”
Trucks like the Ram 3500 and Ford F-350 share its mission of unmatched power and dependability. The GMC Sierra 3500 HD (Crew Cab, Long Bed) has a total length of 22'2.8” (678 cm), overall width of 8'. 8” (246 cm), and height of 6'7.9” (203 cm).


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Kevin Bennett

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Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.