Delivery Zip Code
CSC marine survey certifies a container as cargo worthy or seaworthy for international shipping. Inspection by a licensed surveyor, $150.
+$150
Exterior Paint
+$1,450
High Security Lockbox
+$150
Exterior Regular Paint 40ft
+$1,100
A 40ft used certified flat rack shipping container — also called a 40-foot flat rack or open-frame cargo platform — is a pre-owned steel unit you own outright designed for transporting oversized cargo that will not fit in standard enclosed containers. With collapsible or fixed end walls and no side panels or roof, it handles heavy machinery, vehicles, pipe, lumber, and bulk materials.
Why flat rack over standard container? Built from high-strength Corten steel and rated for stacking, each unit offers exceptional durability and loading flexibility from above or the sides. Commonly used in marine shipping, rail transport, and industrial staging where cargo dimensions exceed standard container limits.
All used units are cargo-worthy and inspected for structural reliability. Cosmetic wear such as surface rust, dents, and paint fading may be present without affecting load capacity or certification. Units ship in stock for nationwide delivery, giving you secure steel storage on a timeline that matches project deadlines without waiting on custom lead times. Units ship in stock for nationwide delivery, giving you secure steel storage on a timeline that matches project deadlines without waiting on custom lead times.
Best when no unloading equipment is available. The driver backs into position, tilts the trailer, and slides the container directly onto the ground.

Best when a forklift or crane is available on-site. The container must be lifted off the trailer using a forklift rated for at least 15,000 lb or an appropriate crane. Conexwest can help coordinate additional placement equipment when needed.

Please make sure the delivery site has:
Containers can usually be placed directly on a solid, level surface without a foundation. Let us know in advance if the site is wet, muddy, soft, sloped, or difficult to access.
| Feature | Details |
|---|---|
| External Length | 40 ft (12.19 m) |
| External Width | 8 ft (2.44 m) |
| External Height (collapsed) | 1 ft 6 in (0.46 m) approx. (collapsed ends) |
| Deck Height (loaded) | 2 ft (0.61 m) approx. |
| Interior Width | 7 ft 9 in (2.36 m) between corner posts |
| Construction | Corten steel platform with reinforced frame |
| End Walls | Collapsible or fixed ends (varies by unit) |
| Side Walls / Roof | None |
| Floor Type | Steel or hardwood plank deck (varies by unit) |
| ISO Certification | Yes |
| CSC Plate | Available |
| NSN | 8145-01-456-7773 |
| Weather Resistance | Open-air; not weatherproof |
| Load Rating | Up to 88,000 lbs (39,916 kg), varies by build |
| Corner Post Strength | ISO standard, 192,000 lbs stacking |
| Condition | Used, cargo-worthy |
Design your perfect container in minutes with Conexbuilder™, our easy-to-use online customization tool. Choose container size, doors, windows, electrical, insulation, HVAC, and more - all with real-time visuals.
Start building now: Launch Conexbuilder

Every 40ft Used Flat Rack Shipping Container includes structural coverage for your peace of mind.
Container Warranty
5-year structural warranty from the date of delivery
Warranty Coverage Includes
Warranty Exclusions
Service and Support
All warranty claims are handled directly through Conexwest.
Click here for full warranty terms and conditions.
