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40ft Shipping Container — Kansas City
The unit global freight runs on, retired into the metro's deepest used supply — double the floor of a 20 for a fraction more money.
Twice the Box, Not Twice the Bill
The 40-footer is the unit the world's freight actually moves in, which means KC's rail-fed used market is deepest exactly here. That supply glut is your discount: expect a 40 to run just 25–40% above a comparable 20 while doubling your floor to 320 sq ft and volume to roughly 2,400 cu ft. For farms, shops, and businesses with the land to receive one, it's the strongest value on this site — the honest catch being the delivery footprint, covered below.
Dimensions & Capacity
- Outside: 40' × 8' × 8'6" (High Cube: 9'6" — see High Cubes)
- Inside: ~39'6" × 7'8" × 7'10" — ~320 sq ft, ~2,390 cu ft
- Empty weight: ~8,300 lbs; wind is not a concern, ever
- Doors: ~7'8" × 7'6" cargo doors; roll-up conversions popular for pallet flow
- Floor: forklift-rated; pallets load two abreast the full length
The 40ft Customer Profile in KC
Warehouses along I-435 and in the Edwardsville corridor line them against fences for peak overflow. Farms in Cass, Platte, and Leavenworth County put implements, seed, and shop stock under one roofline. Contractors running multiple crews stage a whole operation's material out of one box. Institutions — school districts, parks departments, churches — archive equipment cheaper than any building addition. If your storage need has outgrown "garage" and reached "outbuilding," this is the outbuilding that arrives on a truck.
The Approach Test — Take It Before You Fall in Love
A 40 needs 100–120 ft of straight, level approach, 12 ft of width, and 16 ft under wires. Walk it off: stand where the far end of the box will rest and pace toward the street. If you run out of straight line before 35 paces, the answer is probably two 20-footers — nearly the same total floor, radically easier trucks, and they can even live at two different spots on the property. We quote both configurations side by side on request; the site prep guide has the full checklist.
40ft Questions
Why is the 40ft such a good deal per square foot?
Because global shipping runs on 40s, so the rail pipeline through KC retires far more of them than 20s. Deep supply means a 40 usually costs only 25–40% more than a 20 while doubling the floor — the best steel-per-dollar ratio in the market.
Can a residential lot take a 40ft delivery?
Sometimes — the truck-plus-trailer needs 100–120 ft of straight approach, which rules out most cul-de-sac driveways but clears plenty of corner lots, acreages, and rural drives. Photos settle it in minutes; two 20s are the standard fallback.
Standard height or High Cube for a 40?
In the used market they often price within a couple hundred dollars, so take the High Cube unless overhead clearance on your site forbids it — the extra foot future-proofs racking and any workshop conversion.
Loading a 40 Like You Mean It
Twenty pallet positions, two abreast down the length — that's the 40's floor in warehouse terms, and it rewards planning. Heavy stock rides over the corner castings and along the walls; the center floor between crossmembers carries less point load, so machinery gets skids. Leave a spine aisle if you'll retrieve rather than just store — the classic 40 regret is burying February's needs behind December's. And if forklifts will feed it weekly, spec the roll-up door conversion at purchase: cargo doors cycle slower than any picker's patience. Forty feet of steel is a warehouse aisle; treat it like one and it works like one.