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Cargo Trailer Parts and Accessories

We offer a variety of cargo trailer parts and accessories that will help improve your trailer’s functionality, safety, and durability. Being a trusted leader in supplying quality products for our customers, we have years of experience in metal fabrication and cargo trailer solutions.

Ramp Door Spring Systems

Our cargo trailer ramp door spring systems are one of our standout products, engineered for ease of use, longevity, and reliable performance. Our extensive database of systems from multiple vendors allows us to cross-reference and supply any system you need. If it is not in the database, our Spring System Calculator can custom-design a spring system to meet almost any need. Properly designed spring systems make loading and unloading your cargo trailer simple. This design guarantees safe and convenient access to your trailer’s contents while providing smooth operation.

Ramp Door Spring Systems
Exterior Trailer Lighting

Exterior Trailer Lighting

Do you need to work outside of your trailer? We offer low-profile, exterior LED lights. Our LED lights are designed to be ultra-thin, measuring only 1.85″ in thickness. They fit almost entirely within the trailer’s wall, with only a slim bezel framing the light on the inside. You can easily tilt the light to position it exactly where you need it.

Our LED lights are powerful, producing 4500 lumens, equivalent to the output of traditional 500-watt halogen lights. The aluminum, powder-coated, flush-mount box not only provides a sleek and professional appearance but is also highly durable and corrosion-resistant. These lights are available in both 110 VAC and 12 VDC models, supplying compatibility with different trailer setups.

In-Floor Storage Solutions

Keep your trailer organized and get the most out of storage with our in-floor storage solutions. Our flush-mount storage boxes are constructed with heavy-gauge, all-steel materials to ensure they are as tough as they are reliable. The powder-coated steel box is corrosion-resistant and built to last. These storage boxes can handle up to 50 pounds of gear, making them perfect for securing your items while keeping your trailer floor clear for larger cargo.

Tested with over 1000 pounds of load driven across the lid, these boxes are designed for durability and strength, providing you peace of mind knowing your valuables are safely stored. The textured powder-coated surface ensures longevity and gives your trailer a professional, sleek look.

In-Floor Storage Solutions
Transition Flaps

Transition Flaps

A smooth transition from inside the trailer to the ramp door and back saves wear and tear on equipment and improves the ease of use of the trailer. We offer steel and aluminum transition flaps in various widths and transition angles. Our pocket, welded design is robust and will not break at the hinge like many of our competitors’ products. Powder coating is also available.

Aluminum Barlocks

Aluminum barlocks are the perfect accessory for securing your cargo. Designed with strength and durability, these locks provide security, keeping your items safe during transportation. With their robust construction, our aluminum barlocks give you the confidence that your cargo will remain protected throughout the journey.

Aluminum Barlocks
Custom Parts Design and Build

Custom Parts Design and Build

We offer custom parts design and build services such as spring systems and custom trailer accessories. We work with you to ensure the parts we design and manufacture meet your exact needs, ensuring your cargo trailer performs at its best.

Contact Us

For more information on our full range of cargo trailer parts and accessories, or if you need help choosing the right products for your trailer, feel free to contact us today. We are committed to delivering quality, reliable, and innovative solutions that enhance the functionality and security of your cargo trailer. Whether you’re looking for standard parts or custom solutions, we are here to assist you every step of the way.

Visit M-3 & Associates for further information and expert advice on all your cargo trailer needs. Additionally, use our Spring Calculating System to determine the correct spring size for your cargo trailer ramp door.