Description

A trailer from these 5×8 Trailer Plans is better than a pickup truck in many ways for yard work, moving, or many other chores.  The trailer is designed strong with the right materials in the right places.  C-Channel and Rectangular Tube for a sealed frame design with optimal strength, weight and corrosion resistance.  Plus, options for height, decking type, and many functions.  It’s no wonder these plans are a best seller.

Plans include easy to follow, illustrated instructions, a materials list, a parts list, suggested places to purchase the parts, and construction options.  A lot of options, and some options of options.  The animation shows some of the options in the 5×8 Trailer Plans like a landscape style hinged tailgate, a ramp, and various sides, but that’s not all.

The trailer design is strong even as a true flatbed.  Sides are an option to add utility, but are not there for strength or stiffness.   Many other options too — like deck options for plywood or 2x dimensional lumber, types of tailgate, a toolbox, and more.

It’s your trailer.  We give the base, then You choose how it all comes together.

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We have alternate sizes — like 4×8 or 5×10 — if that works better.
If you prefer a torsion axle on this 5×8, we have plans for that too.

Open “Alternate Sizes & Conversions” below to make this a Tilt Top Trailer.

Specifications

5′ x 8′ – 3500# – Utility Trailer Plans

• 5′ x 8′ nominal bed size.  Actual bed is a little larger so it will carry a full 5′ x 8′ payload.
• Single axle, leaf spring design.  Your choice of straight or drop axle.
• 3500 lb. trailer capacity which includes the trailer and the cargo.
• Construction is steel, welding, with a mix of common Tube, Channel, and Angle for an easy, sealed frame build.
• Plans include many options to make the trailer perfect for you.  Use these options, or add your own.
• Options like a Convertible Tailgate, a Removable Ramp that stores under the bed, and several possibilities for sides are all there.
• Trailer weight will vary depending on design options, but will range from approximately 600 lbs (minimal flat bed) on up.
• A simple example for a Motorcycle stand is also in the plans.
• Plans include complete drawings and instructions.

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More About The Design Features

Design options in the plans help customize the trailer to meet your particular needs.  Things like a top, sides or tailgate add function if you want.  Extras like a motorcycle stand, a ramp and toolbox mounting can also make the trailer perfect.  Also read this article about customizing.

• Trailer bed size is slightly larger than 5 ft. wide x 8 ft. long — long enough to lay 8′ sheet goods down flat, then close the tailgate.
• At Mechanical Elements, we have changed the design paradigm.  We measure the trailer based on the cargo to carry rather than the outside dimensions.  That means you can put a 5′ wide item in, even with sides, then the same is true for the 8′ length.
• Overall length including the tongue is ~146 inches.  (May vary with some options.)
• 5×8 trailer plans show a deck height that can range from 17 inches up, depend on design options chosen.  (Bed height in the images is ~19″.)
• Max capacity is 3500 lbs.* set by the axle, which includes both the trailer and the cargo.
• For more information about building a trailer, please see the Mechanic’s construction tips and advice.

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Alternate Sizes & Conversions

Not Quite The Perfect Trailer?  Check These Too.

• Same Size, Different Axle – 5×8 – 3500 lbs Utility Trailer w/Torsion Axle
• One size Narrower – 4×8 – 3500 lbs Utility Trailer
• Or, a size Longer – 5×10 – 3500 lbs Utility Trailer
• One size Wider – 6×8 – 3500 lbs Utility Trailer

More trailer sizes and variations are available.  See All Trailer Plans.

Plans from Mechanical Elements are an awesome start to a great project.  Here are even more resources!

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Maximizing Your Project