Automotive plastic pallets, 48 x 45 and heavy duty
Automotive spec
- Footprint
- 48 x 45 in; also 48 x 40
- Programme
- Closed loop, uniform lots
- Jobs, vehicles (NAICS 3361)
- 288,633 across 934 establishments
- Jobs, parts (NAICS 3363)
- 521,212 across 6,414 establishments
- Top state, parts
- Michigan, 111,465 jobs
The 48 x 45 in footprint is the North American automotive standard and matches heavy-duty auto parts bulk containers. Automotive buyers order it in uniform lots for closed-loop programmes and line-side supply, so the spec must repeat exactly.
Send ratings and footprint, not a generic contact message. This page lists what to ask for and where the work is: motor vehicle manufacturing employs 288,633 people nationally and parts manufacturing 521,212.
What the receiving dock sees: stacks in the dock door and a counterbalance lift truck carrying a stack on its forks. Schematic, not to scale.
Why 48 x 45
Nelson Company says the 48 x 45 matches heavy-duty auto parts bulk containers in North American automotive plants. A pallet that does not match the container leaves floor wasted, or overhangs. There is no published per-trailer count for a 48 x 45 in the figures we use, so we do not quote one; we size it from the maker's stack height.
Many automotive docks also run the 48 x 40 for small parts. Both footprints appear on one dock more often than one might expect, so state each in the request.
Ratings an automotive buyer reads
- Static load, because bulk containers stack and the bottom pallet carries the column.
- Dynamic load, because lift trucks and tuggers move them constantly.
- Racking load, if any storage is on beams. Many designs carry none.
- Entry: 4-way entry speeds line-side exchange.
- Cruciform base, if automated handling is in play.
| Pallet example | Static | Dynamic | Racking |
|---|---|---|---|
| Rehrig 40 x 48 heavy-duty nestable | 10,000 lb | 3,500 lb | none listed |
| Rehrig 40 x 48 rackable | 10,000 lb | 4,000 lb | 2,000 lb edge rack |
| PHS 48 x 48 stackable (STK 207) | 30,000 lb | 4,000 lb | none listed |
Where the jobs are
| Industry | Leading states (jobs, 2025) |
|---|---|
| Motor vehicle manufacturing | Michigan 44,870; Texas 28,069; California 27,690; Kentucky 23,308; Alabama 22,311 |
| Motor vehicle parts manufacturing | Michigan 111,465; Ohio 62,025; Indiana 52,146; Tennessee 38,791; Kentucky 32,261 |
Counties with the most motor vehicle manufacturing jobs include Wayne, Michigan (24,188) and Bexar, Texas (6,165), and for parts, Wayne (20,888), Macomb (20,279) and Oakland, Michigan (16,970) and Spartanburg, South Carolina (6,496). Read your state's lane page for the full picture.
Closed-loop lots, written once
An automotive programme orders the same pallet in uniform lots and expects it back. The line that matters is the one that does not change: footprint, model, colour, marks and the three ratings. Write it once, give it a name your plant and ours can both use, and refer to it on every release.
- Plant and dock for each lot, since parts and assembly often sit on different footprints.
- Container or bulk box model the pallet sits under.
- Whether tuggers or lift trucks move it, which sets the dynamic rating that matters.
- Return route, so the loop is closed on paper as well as on the dock.
From request to trailer
- Send the ship-to. A delivery ZIP, a footprint and a quantity, in pallets or in trailers. If you do not know a rating, describe the load.
- We match a model. We pick a maker and model whose published static, dynamic and racking load fit the load, and say so when only one maker fits.
- You get a count. The quote carries the maker's own per-trailer figure where one is published, and says plainly where none is.
- Papers and delivery. For food or pharma we attach the resin and colourant documents. A standing supply repeats the same line on every order.
What a complete request carries
- The footprint, in inches or millimetres, and whether it is fixed by a rack bay or a container.
- How many pallets, or how many 53 ft trailers.
- The ratings the load needs: static for the stack, dynamic for the move, racking only if the pallet sits on beams.
- Food, pharma, chemical, automotive, warehouse or export use, which sets the papers.
- One load now, or a standing supply with the same line on every order.
- Where it goes and when, and anything marked on the pallet: colour, logo, RFID tag.
Terms on this page
- Static load
- Weight a pallet carries at rest, or the bottom pallet carries when stacked. The highest of the three ratings.
- Dynamic load
- Weight a pallet carries while moving on a forklift, pallet jack or conveyor.
- Racking load
- Weight a pallet carries bridging an open span in unsupported racking. Often the lowest rating.
- Nestable
- Empty pallets stack inside one another, cutting empty storage space by up to 75 percent.
- 4-way entry
- Forks or a jack can enter from all four sides.
- Closed loop
- Pallets that travel between known sites and come back, so they are never lost to a downstream user.
- Cruciform base
- Bottom with a cross-shaped member as well as a perimeter, for strength and automated handling.
- PP
- Polypropylene. More rigid than HDPE and better with heat and harsh chemicals; used where rack stiffness matters.
- Edge rack
- Resting on the rack beams by the pallet's edges only, with no support in the middle.
- Stackable
- Loaded pallets can sit on top of each other, up to the static rating.
Questions at the dock
Why does automotive use 48 x 45?
It matches heavy-duty auto parts bulk containers in North American automotive plants, per Nelson Company.
How many 48 x 45 pallets fit a trailer?
No published figure is in our data, so we do not give one. We size it from the maker's stack height.
Ask for a load quote
The request ends here: we answer with the count that fits your footprint, and say where no maker publishes one.
Keep reading
Last reviewed 2026-11-12.