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The GMA Pallet Standard
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The GMA Pallet Standard
48x40 Specs, Capacity & Why It Dominates US Distribution

Florida Pallet Supply • Updated 2026-03-30

The GMA pallet - named after the Grocery Manufacturers Association - is the de facto standard pallet in the United States. Walk into virtually any US distribution center, grocery warehouse, or food manufacturing facility and you will find 48x40 GMA pallets stacked floor to ceiling. Understanding this standard is essential for any purchasing manager, warehouse operator, or logistics professional in the US supply chain.

This guide covers everything: the exact GMA spec, why it became dominant, its load capacities, common variants, and how to source GMA-compliant pallets efficiently.

New GMA 48x40 wood pallets in stock at Florida pallet supplier
New GMA 48x40 pallets in stock - the standard for US grocery and food distribution

GMA Pallet Specifications

Pallet Lumber & Sawmill Operations

Stamped kiln-dried pallet lumber, bulk warehouse stock, dimensional yard inventory, raw softwood logs, and sawmill operations - the supply chain behind every custom and standard pallet we ship.

Kiln-dried stamped pallet lumber boards in stack at sawmill
Kiln-dried stamped pallet lumber boards in stack at sawmill
Bulk pallet lumber storage in covered warehouse - dimensional pallet stock
Bulk pallet lumber storage in covered warehouse - dimensional pallet stock
Dimensional pallet lumber stacks with grading marks in lumber yard
Dimensional pallet lumber stacks with grading marks in lumber yard
Softwood pallet logs - raw timber for pallet lumber milling
Softwood pallet logs - raw timber for pallet lumber milling
Sawmill aerial view of lumber yard with pallet supply inventory
Sawmill aerial view of lumber yard with pallet supply inventory
SpecificationGMA Standard Value
Dimensions48 inches x 40 inches
ConstructionStringer (3-stringer), notched for partial 4-way entry
Deck Boards (top)7 boards (5 full-width + 2 side boards)
Deck Boards (bottom)5 boards
Static Load Capacity2,500 lbs (rack) / 5,500 lbs (floor)
Dynamic Load Capacity2,800 lbs
Pallet Weight35-48 lbs (new hardwood)
Wood SpeciesSouthern yellow pine, oak, mixed hardwood

Why 48x40 Became the US Standard

The 48x40 dimension was not arbitrarily chosen - it was engineered to maximize trailer utilization. A standard 53-foot dry van trailer is 98-99 inches wide inside. Two 48-inch pallets placed side by side with their 48-inch dimension across the trailer width fit perfectly (96 inches). Running the 40-inch dimension lengthwise allows 26 pallet rows in a 53-foot trailer (26 x 40" = 1,040" = 86.6 feet of pallet run, with room for wall padding). This maximizes cubic utilization while keeping loads manageable.

GMA Grade Classifications

New GMA pallets are manufactured to the full spec. Recycled GMA pallets are graded on condition: Grade A (premium recycled, near-new quality, no broken boards, all notches intact), Grade B (functional recycled, minor repairs acceptable, suitable for most applications), and Grade C (broken deck boards, repaired stringers, suitable for non-racking applications or one-way shipping only). For food and beverage applications, Grade A or new pallets are typically required.

GMA vs European Pallet (EUR/EPAL)

The European standard pallet (EUR 1200x800mm = 47.2" x 31.5") is smaller than the GMA 48x40 and uses block construction. These two standards are not interchangeable in racking systems designed for one or the other. If you are exporting to Europe or working with European supply chain partners, confirm which pallet standard your customer requires before ordering.

Frequently Asked Questions

A standard 53-foot dry van trailer holds 26 GMA (48x40) pallets per row, single-stacked. With double-stacking (where load height allows), you can fit 52 pallets. Floor-loaded trailers can carry significantly more.
Southern yellow pine is the most common species in Florida and the Southeast due to regional availability. Oak, mixed hardwood, and recycled mixed-species boards are also common. Species affects weight and durability.
Yes. GMA stringer pallets can be heat treated to ISPM-15 standards and marked with the HT stamp. This is required for wood pallet exports to most countries. Florida Pallet Supply offers ISPM-15 compliant heat-treated GMA pallets.
Not necessarily. GMA specifies construction details beyond just dimensions - stringer count, deck board count, notch specification, and load ratings. A 48x40 block pallet or a 48x40 export pallet is not a GMA pallet even though the footprint matches.

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The GMA pallet is a 48x40 inch wood pallet established as the North American standard by the Grocery Manufacturers Association. It has a 2,800 pound dynamic load capacity, a 30,000 pound static capacity, and a 2,500 pound racking capacity. The GMA 48x40 pallet accounts for approximately 35% of all pallets in circulation in the United States and is the default specification for warehouse racking, truck trailers, and retail distribution systems across North America.

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