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Yard journal · Logistics

Flatten first: the freight math of empty boxes

An assembled gaylord is mostly air, and you pay to move air at exactly the same rate as you pay to move corrugated. The arithmetic behind the single biggest lever in used packaging.
Published
July 11, 2023
Written by
Nadia Okonkwo-Reyes
Reading time
8 minutes

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Key takeaways

  • A 53-foot trailer holds 26 assembled gaylords or 550–700 flattened ones.
  • On a 420-mile lane the freight cost per box ranges from $44.23 assembled to $0.93 flattened on a matched backhaul — a factor of forty-seven.
  • Nine bands high is the practical maximum; the tenth is where crush damage starts appearing.
  • The single most efficient movement in this trade is one truck arriving with stock and leaving with empties.

A 53-foot dry van holds twenty-six assembled gaylords floor-loaded. The same trailer holds between five hundred and fifty and seven hundred of the same boxes flattened and banded. That is not a marginal improvement; it is the difference between a lane that works and a lane that does not.

Why the ratio is so extreme

A five-wall 48 × 40 × 36 box weighs twenty-four pounds and occupies forty cubic feet of trailer space assembled. Flattened, the same twenty-four pounds occupies roughly one and a half cubic feet. You are shipping identical material either way — the only variable is how much air travels with it.

Freight is priced on space first and weight second for anything this light. Which means that on a load of empty boxes, up to ninety-six per cent of what you are paying to move is atmosphere.

Cost per box on a 420-mile lane, indicative
ConfigurationBoxes per trailerLane costFreight per box
Assembled, floor-loaded26$1,150$44.23
Assembled, double stacked52$1,150$22.12
Flattened, banded, 6 bands high480$1,150$2.40
Flattened, banded, 9 bands high690$1,150$1.67
Flattened on a matched backhaul690$640$0.93

Read the first and last rows together. The same boxes, the same distance, the same truck type — and a freight cost per box that differs by a factor of forty-seven.

The nine-band rule

Flattened boxes are banded in lots of twenty to twenty-five and stacked. We stop at nine bands, because in our own inbound grading the tenth band is consistently where crush damage starts showing up at the bottom of the stack. It is not a regulation. It is an observation, and it has cost us enough boxes to be confident about it.

Backhauls, and what they actually are

Roughly thirty-eight per cent of our miles run on trucks that were already making the journey. A carrier delivering into Kansas City with nothing booked for the return leg will move a load of banded boxes for a fraction of the headhaul rate, because the alternative is running empty.

This is why your ZIP code changes your price more than your order size does. A customer on a lane where we have regular return capacity gets a delivered price that a customer three hundred miles off that corridor simply cannot be quoted, no matter how many boxes they buy.

The combined move

The most efficient movement in this trade is one truck that arrives with graded stock and leaves with your empties. It halves the freight on both legs and roughly halves the emissions per box moved.

It needs two things: a load plan agreed in advance, and a dock that can handle an unload and a load in the same window. Most sites can do both. Very few are ever offered it, because it requires the supplier to be in both businesses at once.

Practical checklist

  • Flatten unless there is a specific operational reason not to.
  • Band in consistent lots so counts are verifiable without unstacking.
  • Nine bands high, maximum.
  • Ask your supplier what backhaul capacity exists on your lane before you assume the freight quote is fixed.
  • Ask whether collection and delivery can share a truck. If the answer is no, ask why.

Questions

Follow-ups on this post.

What if we cannot re-erect flattened boxes on site?
Then assembled delivery is the right answer and the freight is simply the cost. Say so when requesting a quote — we price both, and for short lanes the difference is small enough not to matter.
Does flattening damage the boxes?
Not if they are banded and stacked no more than nine bands high. Repeated folding at the score lines is one of the three genuine causes of wear, so a box that is flattened and re-erected many times will eventually show it — but far more boxes are destroyed by overhang and moisture than by folding.

Nadia Okonkwo-Reyes · July 11, 2023 · Logistics

Written at the ReGaylord reload yard, 3259 Fiberglass Rd, Kansas City, Kansas. If any of it is wrong, or you have better data, tell us — several of these posts exist in their current form because a customer argued with an earlier one.

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