4′ x 8′ – 3500# – Utility Trailer Plans
4′ x 8′ – 3500# – Utility Trailer Plans
A small-ish, yet really tough little trailer. Get these single axle 4×8 Utility Trailer Plans to get the jobs done. With a total capacity of 3500 lbs., trailers built from these plans will work hard.
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$ 18.99 - Complete Plans
* Plans are in a computer document. You may Save them to your computer immediately after Payment.
Description
Description
A 4×8 Utility Trailer is a great size – perfect for odd jobs or for hauling for a motorcycle. This 3500 lbs capacity is rugged and built to haul a lot of stuff – yet, the 4ft width also makes it easy to tow and maneuver. Recommended for towing behind a full or mid-sized vehicle. (See your vehicle specs).
Benefits to the size make it lighter and easier to store! But a warning, it’s a great trailer, so your buddies may beg to borrow it.
This is a tough trailer. With fully engineered plans, this trailer design is tough as a flatbed. While sides are in the options, you don’t need them for strength. Speaking of which, there are a bunch of options!
Plans include easy to follow, illustrated instructions – including a parts list, suggested places to purchase the components, and construction options. The pictures here and above, show some of the many options. More are in the blueprints. Use the ones you like, or substitute ideas of your own.
If you need plans for a small size, very tough utility trailer, look no further. Build it the way you want it.
We have alternate sizes — like 4×8-2000# or 5×8-3500# — if that works better.
If you prefer a torsion axle on this 4×8 utility trailer, we have plans for that too.
Open “Alternate Sizes & Conversions” below to make this a Tilt Top Trailer.
Specifications
Specifications
4′ x 8′ – 3500# – Utility Trailer Plans
- 4′ x 8′ Nominal bed size. (Actual size is slightly larger. Unlike many competitors, this trailer will haul 4′ width items like 4×8 sheet goods.)
- Single Axle, 3500 lb. Capacity, Leaf Spring Style — with Straight or Drop axle options.
- Mixed Tube, Channel and Angle construction for lightweight, easy and robust fabrication.
- Welded steel frame design.
- Multiple deck surface options.
- Multiple Sides options, or build a flat bed, because this trailer is strong and sides are optional.
- Trailer weight varies with design options — from 550 lbs (minimal flat bed) on up.
- Simple Motorcycle stand plans included.
- Plans include complete drawings and our illustrated instructions.
More About The Design Features
More About The Design Features
Design options maximize utility and usefulness to offer trailer customizing for your particular needs. The base trailer is a flat bed, but things like sides, a top, or tailgate are easy additions. Then add extras like a motorcycle stand, a ramp, tie-down bars, and toolbox mounting (also in the plans) for the perfect 4×8 utility trailer.
More About The Design Features
- Trailer bed size is slightly larger than 4 ft. wide x 8 ft. long, so that it will accommodate full 4×8 sheet goods laying flat.
- Creates a better paradigm — trailer measurements based on the cargo to carry rather than the outside dimensions.
- Overall length including the tongue is ~147 inches. (Will vary with options.)
- Trailer bed height depends on your choice of options — from 18 inches up. (Bed height shown is ~19″ with drop axle.)
- This 4×8 utility trailer has a Max capacity of 3500 lbs.* including the trailer.
- Also, check out the Mechanic’s construction tips and advice to get your trailer built perfect.
Need something that is a little lighter duty? See the 4×8-2000 lb. Trailer Plans.
Or, a trailer with more width? Check out the 5×8-3500 lb. Trailer Plans.
Need a Torsion Axle instead? We have 4×8-3500 Torsion Axle Trailer Plans too.
Alternate Sizes & Conversions
Alternate Sizes & Conversions
Not Quite The Perfect Trailer? Check These Too.
- Same Size, Different Axle – 4×8 – 3500 lbs Utility Trailer w/Torsion Axle
- Same Size, Lower Capacity – 4×8 – 2000 lbs Utility Trailer
- One Size Wider – 5×8 – 3500 lbs Utility Trailer
More trailer sizes and variations are available. See All Trailer Plans.
Make It A Tilt Top?
If you want this trailer as a Tilt Top, we have Plans for the Conversion. They show how to make this trailer with a tilting top, like in the image.
Conversion plans are sold separate. You will need both the above Trailer Plans and these Tilt Top Conversion Plans.
$ 9.99 - Complete Plans Add To Cart
Maximizing Your Project
Plans from Mechanical Elements are an awesome start to a great project. Here are even more resources!
First: For more info, please read: What's In The Plans? and What Makes Our Trailer Plans Better?
Second: Purchase plans with the "Add to Cart" button, then right after payment, a digital copy is ready to save to your computer. Please see this article for answers about getting the plans.
Third: We have many articles to help with trailer building. Just type a question in the Show Me bar (top of this page), then press "GO". Or, for simple browsing, visit Articles from the Mechanic.
Reminder:
Trailer building requires metal working skill and tools for things like cutting, drilling, and accurate set-up, as well as welding skill. Strength, durability, and enjoyment depend on building the trailer well. Build it well, then Enjoy the Finished Project !!
Notes for Success
* Trailer load capacity depends on all the parts and materials, as well as the craftsmanship in building. All Mechanical Elements trailers are engineered to perform as stated when built as defined with proper care in construction – including parts, material, construction techniques, weld integrity, assembly methods, and finishing. Capacity for this trailer also requires proper choices for parts such as the hitch, axle(s), wheels, tires, safety chain, decking, bolts, pins, etc. Please make sure component load capacities match or exceed the trailer total capacity. Do not exceed manufacturers limits.
For trouble-free trailer life, think care and safety. Please select fastening methods to handle how and where the trailer will operate – including vibration, proper fastener types, bolt grades, torques, and nut types (like lock nuts). Then, be smart about loading the trailer, load distribution, tire pressure, tire condition and the mechanics of towing. We want you safe to enjoy your trailer for a long time ahead. Always use proper safety and securing equipment when loading and towing a trailer.
Thank You — The Mechanical Elements Team
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