Elevate your modular tiny home, expandable living space, or mobile workspace with our Expanded House Trailer Chassis. This robust, fully welded foundation is engineered for maximum load capacity, stability, and global compliance. Designed to meet international safety and quality standards including ISO 9001, TS 16949, CCC, CE, ADR, and DOT, this heavy-duty trailer frame is the ideal base for expandable tiny houses, portable offices, emergency housing, or custom mobile builds that require extra structural support and expandable functionality.
Core Specifications and Structural Integrity
| Overall Dimensions |
7250 × 2270 × 880mm (Length × Width × Height) with 1350 × 100 × 50mm tow bar |
| Internal Living Space |
5850 × 2200 × 880mm for expandable room layouts and utility installations |
| Weight Capacity |
5500kg Gross Trailer Weight with 1260kg tare weight |
| Frame Construction |
Fully welded heavy-duty steel frame using 100×50×25mm main beams and square tube steel tubing |
| Suspension System |
9-leaf rocker roller leaf springs for stable towing across various terrains |
| Braking System |
12-inch electric drum brake with electric brake shaft |
| Wheels and Tires |
265/75R16LT heavy-duty tires for durability and load-bearing performance |
| Support System |
4 adjustable support legs plus 8 expandable supporting legs for extended stability |
| Traction Bar Support |
Heavy-duty outriggers reinforce tow bar connection |
| Lighting |
Pre-installed LED DOT lights for superior visibility and compliance |
Durable Design and Customization
- Surface Protection: Premium spray-molded finish for exceptional rust and corrosion resistance
- Customizable Finishes: Wide range of color options with flexible customization for branding and utility pre-wiring
- Expandable-Friendly Build: Reinforced mounting points and extra support legs for sliding or folding room modules
- Low-Maintenance Construction: Fully welded design minimizes wear and reduces long-term upkeep costs
Global Compliance and Versatile Applications
- International Certifications: Meets ISO 9001, TS 16949, CCC, CE, ADR, and DOT standards for cross-border shipping
- Expandable Tiny Home Ready: Purpose-built for unique structural demands of expandable house layouts
- Heavy-Duty Versatility: Ideal for expandable tiny homes, mobile retail, medical clinics, emergency shelters, and workspaces
- Easy Setup and Towing: Balanced weight distribution and responsive braking simplify transport and setup
Why Choose Our Expanded House Trailer Chassis
This chassis is more than just a frame. It is a future-proof foundation for your expandable mobile living vision. With industry-leading load capacity, expandable support features, and global certifications, it offers unmatched durability, safety, and flexibility for builders, tiny home enthusiasts, and contractors alike. Whether you are designing a multi-room expandable tiny home or a modular mobile workspace, our Expanded House Trailer Chassis provides the strength and stability to bring your project to life, anywhere in the world.
Customization Note
We offer tailored modifications for expandable module mounting points, utility pre-wiring, or additional reinforcement. Contact our team to discuss your unique build requirements.
Global Shipping
We provide worldwide shipping options and dedicated customer support to ensure a seamless ordering, delivery, and setup experience.