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I need an engineer to design the structural frame for a tiny house trailer using steel. Key focus areas include: - Frame layout: Create a robust and efficient layout. - Connection details: Design secure and durable connection points. Ideal skills and experience: - Expertise in structural engineering, especially with steel. - Experience in designing trailer frames for mobility and stability. - Knowledge of weight distribution principles. Need a trailer design that will be 1.14'x40ft [login to view URL] a structure approximately 23k lbs 3.I will be useing standard trailer house axels with a 7k rateing. 4. This is a park model tiny house. So it will only be on the road a handfull of times over the coarse of its life. It will be on a foundation when set up. With that being said i do not want an overly engeneered design that mimics a standard gooseneck trailer, but building practices of manufactured homes.
Project ID: 40597069
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39 freelancers are bidding on average $400 USD for this job

Here is a cold formed expert let me help you design optimize and calculate and draw your tiny house i have done a bunch of them in Florida
$750 USD in 7 days
8.1
8.1

Hello, We specialize in steel structural design and have experience developing efficient trailer frames for modular and tiny house applications. Designing a 14' × 40' trailer frame for an approximately 23,000 lb park model with secure connection details and proper weight distribution aligns well with our expertise and practical engineering approach. Our profile includes structural steel design, fabrication drawings, and engineering calculations for mobile and prefabricated structures. We can develop a robust frame optimized for limited transport, using standard 7K-rated trailer house axles while avoiding unnecessary overengineering and following manufactured home construction practices. We will provide a clear frame layout, detailed connection designs, and fabrication-ready drawings that balance strength, stability, and cost efficiency for your intended use. We look forward to collaborating on this project. Thanks
$750 USD in 5 days
7.6
7.6

As an experienced structural engineer, I have successfully designed numerous tiny house trailers using steel, making me a perfect fit for your project. I have extensive knowledge in structural engineering, particularly with steel, which is essential for creating a robust and efficient frame layout like you require. This expertise also enables me to formulate secure and durable connection details that guarantee the stability of your tiny house trailer under its estimated 23k lbs weight load. Furthermore, my familiarity with weight distribution principles make me uniquely positioned to design a trailer that not only efficiently handles the load capacity but also maintains mobility and stability. I understand this particular project calls for an approach that considers the distinct nature of park model tiny houses. I promise not to over-engineered it like the standard gooseneck trailers; instead, applying appropriate methodologies akin to manufactured homes' building practices. On a personal note, I am committed to producing designs that not only meet my clients' expectations but also cater to their idiosyncrasies. Your intention to use the house on a foundation most times resonates well with my design philosophy of considering context. Engage me today and let's create a unique structural frame in line with your project description and vision. Let's build the safe and functional tiny house trailer of your dreams!
$260 USD in 3 days
7.3
7.3

As an experienced Engineer and CAD Designer, I have the profound skills you need for your Tiny House Trailer Structural Design project. My expertise in AutoCAD and SolidWorks allows me to create efficient layout designs and develop secure connection details that guarantee durability for your tiny house structure. I specialize in using steel for this kind of project, making me the ideal fit in designing a high-quality trailer frame. Admittedly, I understand that this is a unique project where a balance between mobility and robustness must be struck. My experience working on similar projects has taught me not only to meet but exceed clients' expectations by leveraging innovative engineering approaches. Rest assured; my deliverables will match your vision while adhering to best practices of manufactured homes. Let's collaborate on making your tiny house project amazing!
$266 USD in 1 day
6.8
6.8

Hi, I’m a multidisciplinary engineer focused on design + analysis, delivering production ready CAD and simulation-backed solutions. I work across mechanical and architectural scopes, with clear drawings, practical detailing, and fast communication. Feel free to check my profile for similar projects ,happy to review your scope and suggest the best next steps. G. Zaralı
$700 USD in 7 days
6.4
6.4

As an expert in structural engineering, my skills and experience align perfectly with your project requirements. I have a solid understanding of steel design, from frame layouts to connection details, which will be vital for crafting a robust and efficient structure for your tiny house trailer. Moreover, my profound knowledge in weight distribution principles will ensure your structure remains balanced and secure throughout its journey, despite its minimal time on the road.
$251 USD in 1 day
6.1
6.1

Hello there, This is Sajjad Khan. I am an Architect with more than 6 years of experience in my field in Design and Visualization, MEP, Structural etc. I am experienced in Revit, Rhino, Twinmotion, 3ds Max, AutoCAD, SketchUp, Lumion, D5 Render and Blender as well. I have recent experience in similar projects also. It’s an interesting project and I am really excited to start working on it. Please Get in Touch with me for further discussion on the project.. Thanks Sajjad Khan
$300 USD in 7 days
5.9
5.9

How are you? Your project matches well with my skills. Please check my profile. https://www.freelancer.com/u/lamvanduong I'll provide all drawing sets and wonderful result such as PDF, DWG(2D drawings), rendering images and BIM(3D model). I have full experience in Architectural BIM modeling, MEP design, structural design, civil engineering and drawing by using revit, Archicad, Chief architect, sketchup and cad , etc. I'll use your country building code to permit. Let's discuss more about project and start together. Best regards
$250 USD in 1 day
5.5
5.5

Hello, I have experience designing steel trailer and chassis frames for small mobile structures, including member layout, axle placement, weight distribution, supports, and weld or bolt connection details. I am interested in this project because a 14' x 40' park model frame needs to be safe and efficient without being overbuilt like a heavy gooseneck trailer. I will review the 23,000 lb structure weight, axle count and ratings, support points, foundation setup, road-use expectations, and manufactured-home style construction approach. I will develop a practical steel frame layout, size the main rails and crossmembers, define secure connection details, and check load paths for transport and final foundation bearing. I will also flag any axle capacity or deflection issue before finalizing the drawings. If sealed engineering is required, I can coordinate final review through a licensed structural engineer. Thanks for reading my proposal. Edwin
$500 USD in 7 days
5.3
5.3

Greeting, I am an architect with many years of experience. I work on D5render, Sketchup, Revit, Autocad 2D, Lumion, 3dsmax,....With this project, I believe with my experience I can provide a perfect solution for your home. I look forward to doing this project. Contact me if you have any questions. Thank you so much !
$355 USD in 3 days
4.6
4.6

As a seasoned architectural and structural engineer with a strong background in steel design, I bring to the table a unique blend of skills encompassing trailer frames, mobility considerations, and weight distribution principles. Over the years, I've worked on diverse projects that have honed my abilities to create layouts that are both robust and efficient just like what you're looking for. Though I'm new to this platform, I'm not new to the field. With AP calculus and physics underpinning my bachelors and masters’ in structural engineering, I am well-seasoned in using my knowledge to design connections that are secure and durable.
$289 USD in 1 day
4.6
4.6

Hi there! I have experience designing steel structural frames for tiny homes, mobile structures, trailers, and modular buildings, with a focus on strength, weight efficiency, and constructability. My work includes frame layouts, cross-member design, axle load distribution, connection details, outriggers, and foundation support coordination. I prepare detailed fabrication drawings and structural documentation that balance durability, transportation requirements, and cost-effective construction while considering weight distribution, manufacturability, and applicable engineering standards. Best Regards, Eileene.
$300 USD in 3 days
3.5
3.5

I would be glad to assist with the structural design of your 14' × 40' park model tiny house trailer. With experience in structural steel design, engineering drawings, and CAD modeling, I can develop a practical, cost-effective frame that meets your project requirements without unnecessary overengineering. My scope includes a robust frame layout, detailed steel member sizing, secure connection details, and proper weight distribution for an estimated 23,000 lb structure using 7,000 lb rated manufactured home axles. Since the trailer will only be transported a few times and then placed on a permanent foundation, I will optimize the design around manufactured home construction practices while maintaining structural integrity and safe transportability. You will receive detailed fabrication drawings, connection details, and engineering documentation suitable for fabrication and review. I am committed to delivering accurate, high-quality work on time and maintaining clear communication throughout the project. Give me one opportunity to handle your project—I am confident I can provide a reliable and economical design that meets your expectations.
$300 USD in 7 days
2.9
2.9

Hi there, Do you need to create a steel structural frame for a 14' x 40' park model tiny house trailer? I can design the frame layout, connection details, and weight distribution for an approximately 23,000 lb structure using standard 7k-rated trailer house axles and practical manufactured-home principles. I can provide best AutoCAD and architectural services, I specialize in 3D interior and exterior designs, landscape designs, elevation designs, floor plans, CAD drawings, and detailed drawings to help bring your ideas to life. You can view my previous work here: https://www.freelancer.com/portfolio-items/10388227-3d-interior-rendering https://www.freelancer.com/portfolio-items/8610743-3d-exterior-rendering https://www.freelancer.com/portfolio-items/10388238-2d-autocad-plan-architecture-and-mep Thanks & Regards, Humayo.
$250 USD in 2 days
2.5
2.5

I understand you're seeking a structural engineer to design a robust steel frame for a 40ft tiny house trailer capable of supporting approximately 23,000 lbs, utilizing standard 7k rated axles. My experience includes designing custom steel trailer chassis for specialized applications, ensuring optimal load distribution and frame integrity under dynamic conditions, similar to the requirements for mobile structures. My approach will involve creating a detailed frame layout using FEA (Finite Element Analysis) software such as SolidWorks Simulation or ANSYS to optimize material usage and ensure sufficient strength and stiffness. I will meticulously design connection details, specifying appropriate welding procedures, bolt grades, and plate thicknesses based on calculated stress concentrations at critical points. The design will prioritize even weight distribution across the axles to maintain stability during transport, adhering to relevant trailer design codes and best practices. To ensure a perfectly aligned design, could you clarify if there are any specific road conditions or towing speeds anticipated that might influence the dynamic load calculations? Also, do you have a preferred steel profile type or thickness in mind for the main frame members? I'm confident I can deliver a safe, efficient, and code-compliant design. Let's schedule a brief call to discuss further.
$501 USD in 21 days
0.0
0.0

Dear! I understand you need a structural steel frame design for a 14' × 40' park model tiny house trailer that supports an approximate 23,000 lb structure while following manufactured-home construction principles rather than an over-engineered commercial gooseneck trailer. The main challenge is optimizing the steel frame, weight distribution, axle placement, and connection details to provide adequate strength, stability, and transport safety while keeping the design practical and cost-effective. My approach includes developing the frame layout, sizing the primary and secondary steel members, designing cross-members and critical connections, verifying load paths and axle reactions, and delivering fabrication-ready drawings with structural calculations suitable for engineering review. I would be glad to communicate further about your trailer frame project.
$250 USD in 7 days
0.0
0.0

Hi, I can design a safe, efficient steel trailer frame for your 14' x 40' park model tiny house, with careful attention to structural integrity, weight distribution, and practical manufactured-home construction methods The design will include a detailed frame layout, connection details, and be engineered around your approximate 23,000 lb structure and 7K-rated trailer axles, while avoiding unnecessary overengineering for its intended limited transport
$500 USD in 3 days
0.0
0.0

Hi there ? I have extensive experience using Revit, Chief architect, Autocad and archicad for architectural and MEP modeling, including creating detailed BIM models, floor plans, and construction documentation. I can ensure your project is accurately modeled with full parametric functionality for easy updates. I can start with an initial model draft for your review. Looking forward to collaborating! Best regards
$250 USD in 2 days
0.0
0.0

Hi, We can definitely help you with this project. We have experience in structural steel design and can develop a safe, practical, and cost-effective trailer frame for your park model tiny house. Based on your requirements, we will: Design an efficient steel frame layout for a 40 ft × 11.4 ft trailer supporting an approximate 23,000 lb structure. Develop detailed and durable connection details for fabrication. Consider proper weight distribution, axle placement, and structural stability while using your 7,000 lb rated manufactured home axles. Optimize the design to avoid unnecessary overengineering, keeping in line with the construction practices of manufactured homes while ensuring adequate strength and safety. We can provide fabrication-ready structural drawings with dimensions, member sizes, connection details, and material specifications. If you already have a floor plan or loading details, please share them so we can tailor the design accordingly. We look forward to working with you on this project.
$250 USD in 1 day
0.0
0.0

Hi there, I have experience producing structural steel designs and engineering drawings for custom frames, load-bearing structures, and fabrication-ready documentation with careful attention to strength, stability, and weight distribution. I will design a robust steel trailer frame for your 14 ft × 40 ft park model tiny house, developing an efficient structural layout, secure connection details, and a balanced load path based on the approximately 23,000 lb design weight and your specified axle configuration. I will prepare fabrication-ready structural drawings, member sizing, and connection details while considering transport loads, stability during limited road use, and support conditions once the unit is placed on its permanent foundation. I will ensure the design aligns with applicable engineering standards and provide documentation suitable for fabrication and engineering review where required. Let's get started. Thank you, Kinetik
$250 USD in 7 days
0.0
0.0

Dallas, United States
Member since Jul 22, 2026
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$250-750 USD
$250-750 USD
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$250-750 USD
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