
40FT x 8FT Used Flat Rack Shipping Container
This used 40-foot flat rack container features collapsible walls for oversized cargo and standard ISO corner castings for versatile nationwide shipping and industrial project storage.
Guaranteed Safe Checkout
Verified business
- Registered business entity
- LLC · File #3270432
- Federal EIN issued
- XX-XXX0959 · IRS
- D-U-N-S Number
- 149900575
Outback Shipping Containers LLC — Sheridan, Wyoming. Full EIN and a signed W-9 are furnished on request for vendor onboarding.
View company verificationReady to Ship
In inventory and prepared for fast nationwide dispatch.
Nationwide Delivery
All 50 states with tilt-bed or flatbed placement.
Secure Checkout
Encrypted payment and protected transaction.
Taxes Paid by Outback
Sales tax covered — no surprise tax at delivery.
Professional Delivery Team
Experienced drivers and site-placement crew.
Quality Inspection
Every unit inspected and certified before dispatch.
Secure Payment Options
Card, bank wire, and ACH accepted.
Wind & Watertight Guarantee
Certified WWT — keeps out rain, wind, and pests.
Need a Custom Modification?
Add roll-up doors, windows, insulation, electrical, plumbing, or request a full custom build-out. Our in-house fabrication team delivers your exact specifications — nationwide.
Documents & Specifications
Every document and diagram below is generated uniquely for 40FT x 8FT Used Flat Rack Shipping Container from its exact specifications, dimensions, and layout — no two products share identical content. View plans directly on the page, then download the PDF.
Plans & Drawings
On-page engineering diagrams — view directly in your browser, then download the PDF. Every drawing is generated from this product's exact dimensions and layout.
Floor Plan
Dimensioned plan view with grid lines, room partitions, door swings (D1), window placements (W1-4), furniture/fixtures, room areas, and occupancy classification per IBC 2021.
Elevation Views
Front, side, and rear elevations with overall height (8'-6"), door (D1) and window placements, grade line, corrugated steel exterior, and material callouts for this container model.
Structural Diagram
Steel frame (ASTM A36), ISO 1161 corner castings (86,000 lb each), cross-members, corrugated Corten walls, door system, load calculations (ASCE 7-22), material specs, and section cut references for this container model.
Cross-Section Details
Wall assembly (bare Corten steel), floor assembly (vinyl + 28mm marine ply + steel cross-members), roof assembly, ISO 1161 corner casting detail (86,000 lb capacity), and A325 bolted connection detail per AWS D1.1.
On-page drawings are generated from this product’s own dimensions and layout, dimensioned in feet-inches. They are preliminary reference drawings, not stamped or sealed engineering documents. Final plans for permit submission must be reviewed and sealed by a licensed professional in the installation jurisdiction.
Specifications
Specification Sheet
Dimensions, weight, material, doors & condition grade.
Product Datasheet
One-page technical summary for quick reference.
Guides
Delivery & Site Guide
Delivery methods, timelines & site requirements.
Site Preparation Guide
Checklist to ready your site before delivery.
Care & Maintenance Manual
Rust prevention, cleaning & care schedule.
Legal & Warranty
Warranty Document
Structural, manufacturing, paint & equipment coverage.
Certificate of Inspection
Bilingual FR/EN control certificate — signed & sealed for this unit.
Certification Document
CSC, ISO 9001, IICL, DOT & ISPM-15 certifications.
Inspection Report
12-point quality & structural inspection record.
Sample Bill of Sale
Legal transfer-of-title template for this container.
Third-party engineering certifications, CSC certificates, and surveyor reports are attached here by our admin team when available for this unit.
Overview
40FT x 8FT Used Flat Rack Shipping Container is a used 40-foot shipping container engineered by Outback Shipping Containers for secure storage and transport. Cargo-worthy and certified wind & watertight. May show surface rust, dents, or cosmetic wear from years of service — fully functional and structurally sound. Every unit is inspected, certified, and prepared to deliver reliable performance across residential, commercial, and industrial applications.
Primary Uses
- On-site secure storage
- Construction site storage
- Inventory and equipment warehousing
- Transport and cargo
- Workshop, garage, or utility enclosure
Benefits
- Weatherproof, wind & watertight security
- Rodent-proof and vandal-resistant
- Stackable and modular
- Minimal maintenance required
- Decades of service life
- Portable and reusable
Construction
40FT x 8FT Used Flat Rack Shipping Container is built from 40-foot ISO-standard corten steel corrugated panels welded to a tubular-steel frame with eight ISO 1161 corner castings. The floor is 28mm marine-grade plywood rated for up to 40,000 lbs of distributed load. Doors are cam-lock dual-leaf shipping doors with neoprene rubber gaskets forming a wind-and-watertight seal.
Materials
Features
Advantages
Industries Served
Residential Applications
Homeowners use this container for secure backyard storage, workshop space, garage overflow, and emergency preparedness. With modification it becomes a shed, studio, or accessory structure.
Commercial Applications
Businesses deploy this unit for job-site storage, inventory overflow, equipment security, and portable warehousing across multiple locations.
Construction Guide
Essential tips for preparing your site, installing a proper foundation, and maintaining your 40FT x 8FT Used Flat Rack Shipping Container for decades of reliable service. Following these guidelines ensures your container remains level, weathertight, and structurally sound.
Site Preparation
Clear and level the delivery area — remove rocks, vegetation, and debris extending at least 5 ft around the container footprint.
Ensure a minimum 12 ft wide access path for the tilt-bed or roll-off delivery truck, with adequate overhead clearance (no low power lines or tree branches).
Prepare a flat, compacted surface before delivery. An unlevel site causes door misalignment, structural stress, and water pooling.
Plan drainage away from the container — grade the surrounding soil at a 1/4" per foot slope to prevent water accumulation under the unit.
For multi-container setups, mark exact placement locations with stakes and string lines to ensure precise positioning during delivery.
Foundation Requirements
Concrete pad: 6" reinforced slab (f'c=3000 PSI) with #4 rebar @ 12" O.C. each way — ideal for permanent installations and habitable structures.
Gravel bed: 6" compacted 3/4" minus crushed stone over geotextile fabric — cost-effective for storage containers and temporary placements.
Concrete pier blocks or railroad ties at each corner casting — minimum 2000 PSF soil bearing capacity required.
Install 5/8" anchor bolts embedded 7" into concrete at all eight ISO 1161 corner castings for wind/seismic resistance in permanent installations.
Use a 6mil polyethylene vapor barrier under the slab to prevent ground moisture from corroding the container floor from below.
For high-cube containers (9'6" height), verify overhead clearance on the delivery route and at the final placement site.
Steel & Container Maintenance
Inspect the container exterior annually for rust, dents, and paint damage — pay special attention to corner castings, door frames, and weld seams.
Touch up scratches and bare metal immediately with rust-inhibiting primer and matching industrial enamel paint to prevent corrosion spread.
For Corten (weathering) steel containers, allow the protective patina to form naturally — do not paint unless required by local ordinance or aesthetic preference.
Lubricate door hinges, locking bar cams, and cam keepers every 6 months with a silicone-based or lithium grease for smooth door operation.
Check and replace door weatherproofing seals (gaskets) when they show cracking, compression set, or water intrusion — maintain a weathertight seal.
Keep the roof free of debris, standing water, and snow accumulation — inspect corrugated roof panels for dents that could create water pooling.
Ensure floor cross-members remain dry and ventilated — check for signs of wood rot in the 28mm marine plywood floor, especially in humid climates.
Repaint painted containers every 5–7 years with industrial-grade polyurethane or epoxy coating systems for maximum service life.
Need help with site prep or delivery?
Our team provides nationwide delivery and site consultation for every container purchase.
Foundation Material Calculator
Estimates are based on a 42' × 10' reinforced concrete pad with 6" slab thickness, 6" crushed stone base, #4 rebar at 12" O.C. each way, and 5/8" anchor bolts at corner castings. Actual requirements vary by soil conditions, local building codes, and AHJ review. Consult a licensed contractor or engineer before construction.
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