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Aluminum Truck Tool Boxes
Underbody Trailer Tool Boxes
XCTB-36
XinChen XCTB‑36 underbody trailer tool box is constructed from 1060 grade anodized aluminum, designed for undermount installation on trailers to save cargo space. It features waterproof & dustproof rubber seals, gas struts, stainless steel hinges, and multiple secure lock options. Lightweight yet durable, corrosion-resistant, and fully customizable in size, material, and shape, it’s ideal for trailers, engineering vehicles, and logistics fleets.
Material available | 1060 grade Aluminium Checker Plate/Steel/stainless steel |
Main accessories | Gas Struts and Chain,Foldable flush handle,SS hinge,Dust and Water Resistant rubber seals |
Lock available | Latch lock,T-Lock,Paddle Lock,Buckle |
Strength enforce | Larger box will add extra enforce plate on the lid |
Main Manufacture process | Trimming,Fabrication, Stamping,Argon welding ,Deburring,Assemble |
Customize Made | Make any size and shape as you require from aluminum,stainless steel,or any other sheet metal |
The XCTB‑36 underbody trailer tool box is a heavy-duty undermount storage solution specifically designed for trailers, engineering vehicles, and logistics fleets. Made of high-strength 1060 grade anodized aluminum, it offers excellent corrosion resistance, scratch resistance, and UV protection, ensuring long-term durability in harsh outdoor and road conditions. Its underbody mounting design maximizes unused chassis space, keeping the trailer’s cargo bed fully available for other loads.
Key Specifications
- Material: 1060 grade aluminum (1060 grade aluminum checker plate, steel, stainless steel optional)
- Finish: Anodized for corrosion, scratch and UV resistance
- Structure: Underbody/undermount storage box for trailers
- Sealing: Dust and water resistant rubber seals
- Hardware: Gas struts and chain, foldable flush handle, stainless steel hinge
- Locks: Latch lock, T-Lock, Paddle Lock, Buckle (optional)
- Reinforcement: Extra enforce plate on the lid for larger boxes
- Manufacturing Process: Trimming, Fabrication, Stamping, Argon welding, Deburring, Assemble
- Customization: Customizable in any size, shape and material (aluminum, stainless steel, sheet metal)
Core Advantages
- Space-Saving Undermount DesignInstalled under the trailer chassis, it makes full use of unused space without occupying the cargo bed, ensuring maximum utilization of the trailer’s loading capacity.
- Durable Anodized Aluminum Construction1060 grade anodized aluminum provides strong load-bearing capacity, lightweight performance, and excellent resistance to rust, road salt, and harsh weather.
- All-Weather ProtectionTight rubber seals effectively block rain, mud, dust, and moisture, keeping tools and equipment clean, dry and functional in any environment.
- Secure & Easy to OperateEquipped with heavy-duty locks to prevent theft, and gas struts for smooth, stable lid opening and closing. Stainless steel hinges enhance durability and service life.
- Full Customization SupportWe offer full customization of size, shape, material, and lock type to perfectly fit different trailer models and storage needs.
Ideal Applications
This underbody trailer tool box is widely used for logistics trailers, engineering trailers, modified trailers, and commercial fleets. It provides secure, organized storage for tools, parts, and equipment in tough working conditions.
Why Choose Us
As a direct factory manufacturer, we offer high-quality underbody trailer tool boxes with strict quality control and competitive factory-direct pricing. We support full OEM/ODM customization, fast quotes, sample orders, and global shipping. Every unit is tested for durability and waterproof performance before delivery.
Contact us today to customize your heavy-duty underbody trailer tool box.

