20′ Tiny House Trailer Foundation Plans

Since a great house starts with a solid foundation, these Tiny House Trailer plans focus on that goal.  Low 8.5’ x 20’ top deck height.  Up to 14,000 lbs total capacity.  Fully Engineered.

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Description

Description

Enjoy this sturdy Tiny House Foundation for your own custom home.  Begin with a solid foundation.  It then allows confident Tiny House construction, knowing the foundation is secure.  After all, the tiny house trailer frame is the foundation.

These plans are for a 20 foot length, 8.5′ wide trailer, with a design specific for Tiny Houses.  Engineering is for strength, stiffness, and a lifetime of service.  These are the Trailer Plans Only.  Build the trailer as the foundation, then build the dream house with floor plans of your choice.

The trailer includes a low deck (floor) height, which comes from drop axles and underslung springs – then special features with the floor integrated into the frame.  It saves several vertical inches to maximize head space (and loft space) within.

The trailer frame design handles wall weight at the perimeter, for holding the roof, snow-load, loft, etc.  It is also designed for all the necessary wall anchoring — with graphics showing you the recommended attachment.  These are just some of the practical features of our foundation trailers.  For homeowners, it makes a sweet design to build on.

Of course, these plans are FULLY ENGINEERED, specifically as Tiny House foundations.  They are not a re-boot of a utility trailer or flatbed.  Also, plans include unique construction features to assure the foundation is straight and much easier to build.

Read the specifications for more info about this Tiny House Trailer.

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Mechanical Elements Tiny House Trailer Plan Sizes

Because there are different needs, we have several sizes.  So, choose the Trailer size to meet your Tiny Style with any of these plans we offer.

Specifications

Specifications

20′ Tiny House Trailer Foundation Plans

  • Plans are fully Engineered specifically as a foundation for your tiny home.
  • 8.5′ x 20′ nominal bed size.  (Actual frame size is 100″ width, see below.)
  • Up to 14,000 lb. Combined Axle Capacity.  (Choose 12,000 lb. or 14,000 lb.)
  • Bumper Pull Design with High Capacity Tandem Axles.
  • Low Deck (House Floor) Height to maximize interior headroom.
  • Tiny House Trailer Frame Perimeter Designed to Mount and Support the Walls, Roof Loads, etc..
  • A Unique Frame Design With Full Width Cross Members For Easy Construction.
  • I-Beam Construction For Max Strength And Stiffness, All In Steel.
  • Weight of the base trailer frame is approximately 2500 lbs.  (Can be more or less with options and customizing.)
  • The Standard Design, Plus Various Trailer Options are Included in the Plans.
  • Options for Axles. Use Hydraulic Brakes or Electric Brakes.
  • Download the Full Detail Drawings and Illustrated Instructions now.

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More About The Design Features

More About The Design Features

Finite Element Analysis on the Tiny House FoundationThe engineering in these plans goes beyond cut and paste from other tiny house trailers.  Since you want a solid foundation, the frame design passes a complete analysis to make sure it will perform at the highest of standards.  To assure it, we use tools like FEA to know it is strong enough, and also stiff enough.  A Tiny House trailer frame has unique requirements that standard flatbed trailers and car haulers do not.  So, if you are building a Tiny House, this is the way to go.

  • The trailer frame is 100″ wide allowing siding and edging to extend beyond the frame 1″ on either side.  It allows a cascading over the frame to hide it visually, while staying within the legal limit of 8.5′ (102″) for the house itself.
  • Max load capacity (depending on options) is 14,000 lbs. (combined axle rating)* which includes the trailer weight.
  • A 12,000 lb capacity option is included.  Either way, it’s good to have more capacity than you need.
  • The design includes a frame perimeter built to support and anchor Tiny House exterior walls.  And, the anchoring is flexible to fit your unique floor plan.  This makes building on the foundation both easy and very robust.
  • Materials selection are for strength and stiffness unique to a Tiny House Trailer.  I-Beams support fore and aft loads;  Tube to resist frame twist when loads are not uniform;  Frame members to anchor and support exterior walls.
  • The trailer deck (house floor) integrates into the frame to minimize floor height and maximize headroom.
  • The integration of sides, walls, and flooring with the frame design allows maximum space for the house, both horizontally and vertically.

All this because the trailer design has focus from the first pencil stroke as a Tiny House Foundation.

Start Your Tiny House Trailer Frame Right

No doubt, if you are looking for a sturdy Tiny House Trailer as a Foundation, then you’ve come to the right place.  Since Mechanical Elements trailers have a purpose driven design, they deserve a close look.  And, all our plans are fully engineered.  Build it to last a lifetime – and more.  Build it well, and it will serve you well for many, many years.

Order the plans above, then download immediately and start building right away!

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Maximizing Your Project

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

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