Rock Solid Cargo Trailers at NAC Trailer Sales
At NAC Trailer Sales, proudly serving South Carolina and Georgia, we are an authorized dealer for Rock Solid Cargo — one of the industry's most respected names in enclosed cargo trailers. Whether you're hauling equipment, motorcycles, ATVs, landscaping gear, or business inventory, Rock Solid Cargo trailers deliver unmatched reliability, quality craftsmanship, and long-term value.
View All Rock-Solid Cargo Trailers in Stock →
Why Choose Rock Solid Cargo Trailers?
Founded in Douglas, Georgia by industry veterans Tony Wright and his son Caleb, Rock Solid Cargo is built on decades of experience. Their mission is simple: produce high-quality cargo trailers that exceed industry standards while providing safe, efficient transport solutions. Every trailer is crafted by a skilled production team with years of combined expertise. From standard in-stock models to fully custom builds, Rock Solid Cargo stands behind their product with an industry-leading 5-year structural warranty.
Key advantages include:
- Superior Durability — Heavy-duty steel tube frames, 16" on-center crossmembers, and premium materials designed to withstand tough roads and heavy use.
- Versatile Configurations — Available in single-axle and tandem-axle setups, with sizes ranging from compact 5x8 models to spacious 8.5x28+ goosenecks.
- Customization Options — Extra height, screwless exteriors, spread axles, ramp doors, upgraded flooring, LED lighting packages, and more.
- Weatherproof Protection — Galvalume roofs, sealed seams, and robust sidewall construction keep your cargo safe from the elements.
Trailer Types
Single Axle Cargo Trailer
Discover the ultimate in convenience and reliability with our Single Axle Cargo Trailers, designed to meet the demands of your hauling needs with ease and efficiency. Whether you're transporting equipment for work, heading out on an adventure, or simply tackling weekend projects, this trailer is your ideal companion.
Featuring a single axle design, towing is made straightforward and stable, providing excellent maneuverability both on city streets and highways. A sleek, modern aesthetic ensures you'll travel in style, while the streamlined V-nose design reduces drag and enhances fuel efficiency.
Single Axle Standard Features
- 24” on-center cross members, roof members, and sidewalls
- 3” steel tube main frame rails
- 2990 lb. drop leaf spring axle
- Ramp door with flap
- 36” side door with flush lock
- LED lights and 12V dome light
- 3/4” plywood floors and 3/8” plywood walls
- Galvalume roof and non-powered roof vent
- Aluminum fenders and 24” stone guard
- V-nose with ATP
- NitroFill radial tires and Lionshead white mod wheels
Popular Available Sizes
- 6x10, 6x12, 6x14
- 7x12, 7x14
Tandem Axle Cargo Trailers
Discover the ultimate in towing versatility with our Tandem Axle Cargo Trailers, engineered to meet the demands of both professional haulers and recreational adventurers alike. Designed for strength and durability, this trailer boasts a robust tandem axle configuration, ensuring stability and smooth handling even when fully loaded.
Crafted from high-quality materials, every aspect of this trailer is built to withstand the rigors of long-distance travel and heavy payloads. The spacious cargo area provides ample room for transporting everything from construction materials and equipment to recreational gear and household items.
Tandem Axle Standard Features
- 16” on-center cross members and sidewalls (24” roof)
- 3500 lb. or 5200 lb. drop leaf spring axles with electric brakes on both
- 4” or 6” steel tube main frame rails
- Ramp door with flap (heavy-duty on larger models)
- 36” side door with flush lock
- LED lights and 12V dome light
- 3/4” plywood floors and 3/8” plywood walls
- Galvalume or one-piece aluminum roof (on longer models)
- Aluminum fenders and 24” stone guard
- V-nose with ATP
- NitroFill radial tires and Lionshead white mod wheels
- Additional upgrades on 8.5' wide models: D-rings, ATP stepwell, no-show beavertail (16'+)
Popular Available Sizes
- 6x10 to 6x14
- 7x12 to 7x24
- 8.5x14 to 8.5x32 (most common for heavier use)
Gooseneck Cargo Trailers
Introducing the Gooseneck Cargo Trailer, the pinnacle of towing efficiency and capacity for those who demand superior hauling capabilities. Engineered with a distinctive gooseneck hitch design, this trailer offers unparalleled stability and maneuverability, making it ideal for both commercial and heavy-duty recreational use.
Designed for versatility, the Gooseneck Cargo Trailer features customizable options such as ramps, tie-down points, and storage compartments to suit specific hauling requirements. Whether you're transporting heavy machinery to a job site or embarking on a cross-country adventure with precious cargo, this trailer delivers unmatched reliability and performance.
Gooseneck Standard Features
- 16” on-center floor, roof, and sidewalls
- 8” tubing main frame
- Dual or triple 5,200 lb. torsion axles with electric brakes
- Heavy-duty ramp door with 16” flap
- 48” side door with flush lock
- 84” interior height
- (4) 5,000 lb. D-rings and ATP-covered stepwell
- 6’ no-show beavertail
- Dual landing gear and access door in riser
- LED lights and (2) 12V dome lights
- One-piece aluminum roof on longer models
- NitroFill radial tires and Lionshead white mod wheels
Popular Available Sizes
- 8.5x22 to 8.5x36 (tandem axle)
- 8.5x38 to 8.5x52 (triple axle)
Customization & Upgrades
Rock Solid Cargo offers extensive options including extra height, blackout packages, Polycore siding, insulation, electrical packages, spread/torsion axles, and more. We can custom-order to your exact specifications.
View Our Rock Solid Cargo Inventory
We keep a strong selection of all three types in stock. Popular in-stock models include 6x12 single axle, 7x16 and 8.5x20 tandem axle, and larger goosenecks by order.