The 6 x 12 x 3500 utility trailer is the most popular of our 6′ width trailers. It’s great for business, landscaping projects, ATV’s, moving, . . . you name it. Lots of volume, yet very maneuverable and it tows very well. Build a great trailer, in a great size, and build it to last.
For higher load capacity in the same trailer size, check out the 6′ x 12′ 6000 lb / 7000 lb blueprints.
- Single axle, leaf spring design.
- 6′ x 12′ nominal bed size.
- 3500 lb. trailer axle rating.
- Option for rear Tailgate that folds to a Ramp.
- Several options for the deck and for sides.
- Removable ramp that stores under the trailer and lots of tie-down points.
- Includes bonus plans for making a motorcycle travel stand.
- Plans include complete drawings and illustrated instructions.
6 x 12 x 3500 Utility Trailer Plans Details:
All our trailers are designed for Strength and simplicity with standard beams, gusseting and triangulation for rigidity. They are fully engineered to be strong, by design, starting at the frame, and they do not rely on sides to meet capacity. Yes, sides options are included, but they are not required. The frame is the solid foundation built to perform and to last.
Towing Stability, is achieved with engineering design fundamentals to tow easily. Plans include adjustable options for various load types. Equally important is Maneuverability, so the tongue gives proper vehicle spacing.
Design Versatility is in the plans — with axle and brake choices, load and deck height variations, sides (or not), a top (or not), and deck material choices. Options include ramps or tailgates like a fold down tailgate/ramp combination. — All are included.
Finally, there are options for Flexibility like a hidden ramp, motorcycle stands, an aerodynamic-ish front, toolbox mounting, infinitely variable tie-down placement, and more. Pictures show some of the options. We encourage you to customize the trailer for your unique needs.
Plans include complete drawings and illustrated instructions — with construction tips. They also have a parts and materials list with suggestions for purchasing components.
Utility Trailer Technical Information:
- * Bed size on these 6 x 12 x 3500 utility trailer plans is 1.5″ wider than 6 ft. and 3.5″ longer than the 12 ft. length indicated.
- Total length with the tongue is 52″ – 58″ longer than the indicated 12 ft. bed length.
- Bed height ranges from 16″ up, depending on options chosen. (Bed height shown is ~19″.)
- Axle capacity is 3500 lbs.* This is the total load capacity which includes the weight of trailer and options.
- Typical dry weight is 800 lbs – 900 lbs for the simple flatbed version. Adding options like sides or tailgate or toolbox will make it heavier.
- Options are in the plans to extend function. Some options are mutually exclusive, but not all options are in these pictures. See the animated image for some of the ideas.
- 6 x 12 x 3500 utility trailer plans also include customization ideas for special uses – from ATV & motorcycles, to trash or furniture or landscape needs.
Trailer Plans in our 6' Bed Width Family
(Nominal bed Width is 6')
Chart Shows Bed Length & Capacity Options
|3500 lb. Single Axle *||X||X||X|
|6000 lb. Single Axle *||X||X|
|7000 lb. Tandem Axle *||X||X|
|10,000 lb. / 12,000 lb.
Tandem Axle *
* Load capacity is the complete trailer weight (Trailer + Cargo).
Image shows a generic layout.
Actual size will vary with parts chosen.
Reminder: Trailer construction requires metalworking skills and tools for things like cutting, drilling, accurate fixturing and set-up, as well as welding. The strength, durability, and enjoyment depend on how well the trailer is made. Build it well, then Enjoy the Finished Project !!
Trailer Plans & Information:
- Purchase these plans with the “ADD TO CART” button above. Download is available right after confirmed payment.
- For more information about the plans, check out these two articles: What’s In The Plans? and What Makes Our Trailer Plans Better?
- Then, for more on trailers, try these two articles from Synthesis Engineering: “What Makes A Good Trailer Design?” and “Choosing The Right Utility Trailer”.