1/18 Scale RC Toy Hauler & Boat Trailer – Printable Modular Kit for Scale Rigs

Build the ultimate tow-behind accessory for your scale crawler with this fully customizable, 3D-printable trailer.

Configure it as a boat trailer with guide posts, strip it down to a flatbed toy hauler, or set it up with tie-downs for hauling ATVs, bikes, or other scale cargo. 

Designed to pair perfectly with popular 1/18 scale rigs like the TRX-4M, FCX24, and other crawlers.

Now Includes Split Frame for A1 Mini Printing!

Features

• Modular Design – Switch between boat-trailer and toy-hauler configurations with removable guide posts and adjustable tie-down points.
• True 1/18 Scale Fit – Sized for RC crawlers and compatible with our 1/18 scale PETG boats.
• Tandem Axle Setup – Dual-axle design with realistic leaf spring suspension detail.
• Strong & Rigid Frame – Prints in sections for easy assembly; rock-solid once built.
• Trailer-Hitch Ready – Connects to standard 1/18 scale crawler hitches with functional tongue and jack stand.
• Customizable Look – Print in your favorite colors, mix materials, or paint for extra realism.

Print Recommendations

• Frame & Axle: PETG or ASA for rigidity and durability.
• Leaf Springs & Small Parts: PLA+ or PETG with higher infill for strength.
• Wheels/Tires: PLA+/PETG for rims; TPU recommended for functional tires.
• Guide Posts & Accessories: PLA+ or PETG in accent colors.

Perfect For

• RC crawler enthusiasts looking for a versatile tow trailer.
• Scale hauling setups – boats, ATVs, side-by-sides, motorcycles, or custom cargo.
• Display builds, dioramas, and scale garage scenes.
• Builders who enjoy modular prints with real-world functionality.

Assembly Notes

• Skill Level: Intermediate – some small parts require careful assembly.
• Hardware: Optional screws or pins for added strength, depending on your setup.
• Supports: Enable supports for tires, wheels, and boat clips if needed.

CyberBrick and RC Ready