20FT Expandable House Accessory Trailer

Hebei Tianyu Guangbo Module Housing Co., Ltd. is one of the leading manufacturers and suppliers of 20ft expandable house accessory trailer in China, also supports custom service. Welcome to buy waterproof 20ft expandable house accessory trailer for sale here from our factory. Quality products and reasonable price are available.

Custom flatbed trailer exclusively built to carry 20ft expandable modular houses, fully compliant with Australian Design Rules for road legal use. Rated aggregate trailer mass reaches 4500kg, paired with dual heavy-duty axles to bear full weight of folded expandable cabin units. Complete VIN marking, factory certification plate and standard 15-inch wheel assembly fit Australian highway transport standards, supporting a maximum safe driving speed of 120km/h.

Thick rectangular steel cross beams form reinforced load-bearing platform, evenly distributing pressure from modular house frames during towing. Hot-dip black coated steel structure resists rust under coastal humid and salt spray environments. Four adjustable mechanical support legs lock flatbed level once parked, removing need for temporary ground foundation work. Built-in fixed locating stoppers secure expandable house frames against shifting during long-distance haulage.


Standard Australian-style hitch coupling with heavy safety chain set connects smoothly with mainstream pickup and SUV tow vehicles. Diamond plate anti-slip drawbar surface provides stable standing space during assembly. Integrated multi-pin waterproof wiring harness matches AU vehicle circuit standards, fully reserved for house interior lighting and power connection. Built-in braking linkage system delivers stable stopping performance under full load conditions.

15-inch alloy wheel rims fitted with 225/75 R15 heavy load tires, recommended cold inflation pressure 450kPa. Dual wheel layout balances vehicle weight for steady highway cruising, reducing bump and sway on rough rural roads. Tire load capacity fully covers 4500kg maximum axle load as labeled on official certification plate.

Overall outer dimension 6870mm × 6300mm, inner flatbed platform precisely sized to lock 20ft folded expandable modular units. Reserved installation holes align perfectly with bottom steel frames of TYGB expandable houses, no extra cutting or modification required during mounting. Optimized beam spacing reinforces stress points of modular cabin base for long-term repeated towing.

Each trailer comes with official ADR compliance nameplate and unique VIN code for smooth Australian registration. Extra customizable items include extended side guardrails, spare tire bracket and external storage box. All welding joints undergo full grinding and anti-corrosion treatment to extend service life in outdoor all-weather conditions.

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