GMA Pallet (48x40)

The most widely used pallet in North America. Everything you need to know about the 48-by-40-inch Grocery Manufacturers Association standard pallet.

Order 48×40 GMA Pallets

We keep thousands of GMA pallets in stock at all times — new, recycled, and heat-treated. Get a quote for any quantity.

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Contact Information

Format: (619) 555-0123 or 619-555-0123

US: 92101 | Canada: A1A 1A1

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Additional Details

History of the GMA Pallet

The 48×40-inch pallet owes its dominance to the Grocery Manufacturers Association, now known as the Consumer Brands Association, which adopted it as the standard for the grocery and consumer goods supply chain in the early 1960s. Before standardization, the U.S. logistics industry was a patchwork of incompatible sizes. Manufacturers, distributors, and retailers each used different footprints, creating enormous inefficiency at every transfer point in the supply chain.

The 48×40 footprint was not chosen arbitrarily. It was engineered to optimize the interior dimensions of a standard railroad boxcar, which at the time measured roughly 40 feet long by 9 feet wide on the inside. Two 48×40 pallets fit side by side across the width of the car (40 + 40 = 80 inches in an approximately 108-inch-wide car, leaving room for handling clearance), while the 48-inch dimension aligned with the car’s length for maximum floor utilization. When the trucking industry shifted to 53-foot dry van trailers, the GMA pallet proved equally efficient: 20 pallets fit on the floor of a standard trailer when loaded two-deep, and the footprint works seamlessly with standard dock equipment.

Today, the 48×40 GMA pallet accounts for approximately 30% of all new wood pallets produced in the United States each year, and roughly 45% of all pallets in circulation across North America. Its ubiquity means that virtually every warehouse, distribution center, retail store, and automated handling system on the continent is designed to accommodate it. Choosing a GMA pallet ensures compatibility with the broadest possible range of infrastructure and trading partners.

GMA Pallet Specifications

Core Dimensions
Length48 in (1219 mm)
Width40 in (1016 mm)
Height (Stringer)6.0 in (152 mm)
Height (Block)5.75 in (146 mm)
Fork Entry4-way (with notching on stringer)
Deck SurfaceTop and bottom deck boards
Load Capacity & Weight
Dynamic Load2,500 - 2,800 lbs
Static Load5,000 - 5,500 lbs
Racking Load2,000 - 2,500 lbs
Pallet Weight (New)33 - 48 lbs
Pallet Weight (Recycled)35 - 55 lbs
Max Stack Height60 in (typical)
Construction Details (Standard Stringer Design)
Number of Stringers3 (two outside, one center)
Stringer Dimensions1.5″ × 3.5″ × 48″
Top Deck Boards7 boards (5 full-width + 2 lead boards)
Bottom Deck Boards5 boards (3 full-width + 2 end boards)
Board Thickness5/8″ to 3/4″ (16 - 19 mm)
Lead Board Width5.5″ (140 mm)
Inner Board Width3.5″ (89 mm)
FastenersHelical or annular nails, 2 per joint (minimum)
Total Nail Count48 - 64 nails (depending on design)
NotchingFork notches on all 3 stringers for 4-way entry

Complete Board Layout and Nail Pattern

The standard GMA stringer pallet uses a specific board arrangement that has been refined over decades to balance load capacity, material cost, and manufacturing efficiency. Understanding this layout is essential for quality inspection, repair work, and comparing pallet grades.

Top Deck Board Layout

PositionBoard WidthBoard LengthNails per Stringer
Lead Board #15.5″40″3 nails
Inner Board #23.5″40″2 nails
Inner Board #33.5″40″2 nails
Center Board #45.5″40″3 nails
Inner Board #53.5″40″2 nails
Inner Board #63.5″40″2 nails
Lead Board #75.5″40″3 nails

Top deck total: 7 boards × 3 stringers = 21 joints. Nails: 51 minimum (3+2+2+3+2+2+3 per stringer × 3 stringers).

Bottom Deck Board Layout

PositionBoard WidthBoard LengthNails per Stringer
End Board #13.5″40″2 nails
Inner Board #23.5″40″2 nails
Center Board #35.5″40″2 nails
Inner Board #43.5″40″2 nails
End Board #53.5″40″2 nails

Bottom deck total: 5 boards × 3 stringers = 15 joints. Nails: 30 minimum (2 per joint × 15 joints).

Nail Pattern Specifications

Nail Type

Helical (spiral) or annular (ring-shank) nails are required. Smooth-shank nails are not acceptable because they lose 50-70% of their holding power under vibration and dynamic loads. Helical nails provide approximately 15% more withdrawal resistance than annular nails.

Nail Dimensions

Standard: 2.25″ long × 0.113″ diameter for 5/8″ deck boards into 1.5″ stringers. For 3/4″ boards: 2.5″ long nails. The nail must penetrate at least 1.0″ into the stringer after passing through the deck board.

Total Nail Count

Standard 7/5 design: 51-81 nails total. Economy designs use 48 nails minimum. Premium designs (heavy-duty) use up to 84 nails with 3 nails per joint on both top and bottom decks for maximum holding power.

GMA Pallet Weight by Wood Species

The weight of a 48×40 GMA pallet varies significantly based on the wood species used in construction. This matters for shipping cost calculations, worker ergonomics, and total truck weight compliance. Below is a comparison of common wood species and their impact on GMA pallet weight and strength.

Wood SpeciesTypeDensity (lbs/ft³)Pallet Weight (New)Dynamic CapacityDurabilityCost
Southern Yellow PineSoftwood34 - 3733 - 40 lbs2,500 - 2,800 lbsGood (5-8 trips)$
White OakHardwood46 - 5045 - 55 lbs3,000 - 3,500 lbsExcellent (15-20 trips)$$$
Red OakHardwood43 - 4742 - 50 lbs2,800 - 3,200 lbsVery Good (10-15 trips)$$
Hard MapleHardwood44 - 4844 - 52 lbs3,000 - 3,400 lbsExcellent (15-20 trips)$$$
Poplar / AspenHardwood (soft)28 - 3228 - 35 lbs2,000 - 2,400 lbsFair (3-5 trips)$
Spruce / FirSoftwood25 - 3026 - 33 lbs1,800 - 2,200 lbsFair (3-5 trips)$
Mixed Hardwood (typical)Mixed36 - 4236 - 48 lbs2,500 - 2,800 lbsGood (8-12 trips)$$

Load Testing Results for GMA Pallets

Load testing determines the actual capacity of a pallet under controlled conditions. Tests are conducted according to ASTM D1185 (Standard Test Methods for Pallets and Related Structures Employed in Materials Handling and Shipping) and follow procedures outlined in the NWPCA Uniform Standard for Wood Pallets. Below are representative test results for standard GMA stringer pallets by grade and condition.

Pallet ConditionTest TypeRated CapacityFailure PointSafety FactorFailure Mode
New (SYP, 5/8″)Uniform Static5,500 lbs8,200 lbs1.49xCenter stringer split
New (SYP, 5/8″)Racking (48″ span)2,500 lbs4,100 lbs1.64xBottom board deflection >1″
New (Oak, 3/4″)Uniform Static6,500 lbs10,500 lbs1.62xTop deck board fracture
New (Oak, 3/4″)Racking (48″ span)3,000 lbs5,200 lbs1.73xBottom board failure
Recycled Grade AUniform Static4,500 lbs6,800 lbs1.51xNail withdrawal at joints
Recycled Grade BUniform Static3,500 lbs5,100 lbs1.46xBoard split at knot or notch
Recycled Grade CUniform Static2,500 lbs3,600 lbs1.44xMultiple failure points

Test results are averages from batch testing. Individual pallet capacity may vary based on wood quality, moisture content, and condition. Safety factor = failure point divided by rated capacity. All pallets should maintain a minimum safety factor of 1.25x.

Stacking Height Limits and Racking Compatibility

Stacking Height Guidelines

Load WeightMax Stack HeightPallet Grade
Under 1,000 lbs4 high (240″)Any grade
1,000 - 1,500 lbs3 high (180″)Grade A or new
1,500 - 2,000 lbs2 high (120″)Grade A or new
2,000 - 2,800 lbs1 high only (60″)New preferred

Heights assume a 54″ product height per pallet plus 6″ pallet height. Always verify with your product dimensions and building ceiling clearance.

Racking Compatibility

The 48×40 GMA pallet is compatible with the following standard rack configurations:

  • Selective Pallet Racking: Standard beam spacing of 42-44 inches accommodates the 40-inch pallet width with 1-2 inches of clearance per side. Depth of 48 inches matches the stringer length.
  • Drive-In/Drive-Through Racking: Rails spaced at 40.5 inches support the pallet on its bottom lead boards. Fork clearance requires minimum 4-inch rail height.
  • Push-Back Racking: Carts are designed for 48×40 footprint. Maximum push-back depth: 4-6 pallets deep.
  • Pallet Flow (Gravity Flow): Rollers or wheels set at 42-inch width with guide rails. Maximum lane depth: 10-20 pallets.
  • Cantilever Racking: Not optimized for GMA pallets; better suited for long, irregular loads.

For racking applications, always use pallets in Grade A condition or better. Broken or missing bottom deck boards can cause the pallet to slip through rack beams — a serious safety hazard. See our grading guide for detailed quality criteria.

Trailer Loading Patterns: How Many GMA Pallets Per Truck?

Understanding how GMA pallets load into different transport vehicles is critical for freight cost optimization. The 48×40 footprint was designed for North American road trailers, but it also fits into ocean containers and rail cars with varying levels of efficiency.

Vehicle / ContainerInternal DimensionsPallets on FloorPallets Double-StackedFloor UtilizationLoading Pattern
53' Dry Van Trailer630″ L × 100.5″ W × 110″ H204088%2 columns × 10 deep (40″ side in)
48' Dry Van Trailer570″ L × 100.5″ W × 110″ H183685%2 columns × 9 deep
20' Ocean Container233″ L × 92.1″ W × 89.8″ H102079%2 columns × 5 deep (40″ in)
40' Ocean Container474″ L × 92.1″ W × 89.8″ H204082%2 columns × 10 deep
40' HC Container474″ L × 92.1″ W × 102″ H204082%Same as 40'; extra 12″ headroom
Flatbed (48')576″ L × 96″ W24 (empty pallets)400-560 (stacked)100%2 wide × 12 deep; 20-23 per stack

GMA Pallet vs. CHEP vs. PECO: Pooling System Comparison

While the GMA standard defines the 48×40 footprint, the way companies acquire and manage these pallets varies significantly. The three primary models are white-wood (purchase), CHEP (rental pool), and PECO (rental pool). Each has distinct cost structures, quality levels, and logistics implications.

FeatureWhite-Wood (Purchase)CHEP (Blue Pallets)PECO (Red Pallets)
Size48 × 4048 × 4048 × 40
DesignStringer (usually)Block (9 blocks)Block (9 blocks)
Fork EntryPartial 4-way (notched)True 4-wayTrue 4-way
Dynamic Load2,500 - 2,800 lbs2,800 lbs2,800 lbs
Pallet Weight33 - 48 lbs55 - 60 lbs52 - 58 lbs
Ownership ModelPurchased; you own itRented per issue/tripRented per issue/trip
Cost Per Use$4-12 (new), $3-8 (recycled)$4.75 - $8.50 per issue$4.25 - $7.50 per issue
Lost/Damaged FeesNone (you own it)$25 - $30 per pallet$22 - $28 per pallet
Quality ConsistencyVaries by supplierHigh (audited)High (audited)
Best ForOne-way shipping, high-loss lanesClosed-loop grocery/retailClosed-loop grocery/retail

SD Re Pallet supplies white-wood GMA pallets in all grades. If you currently use CHEP or PECO and want to evaluate the cost savings of switching to purchase pallets, our team can provide a detailed cost comparison based on your volumes and logistics network. Contact us for a free analysis.

Industries That Rely on GMA Pallets

The GMA pallet’s original home was the grocery industry, but its standardization has made it the default choice for a much broader range of sectors. Today, these industries use 48×40 pallets as their primary shipping platform:

Grocery & Food Distribution

The original adopter. Virtually all major grocery chains and food distributors in North America require 48x40 pallets.

Retail & General Merchandise

Walmart, Target, Costco, and most major retailers mandate GMA pallets in their routing guides.

Consumer Packaged Goods (CPG)

Household goods, personal care products, cleaning supplies — all typically ship on GMA pallets.

Pharmaceutical

The pharma industry uses 48x40 pallets extensively, often requiring heat treatment and clean, Grade A condition.

E-Commerce Fulfillment

Amazon and other fulfillment networks are designed for GMA pallets. Non-standard sizes incur additional handling charges.

Beverage

Beer, wine, spirits, water, and soft drinks — the beverage industry moves billions of cases annually on GMA pallets.

Building Materials

While some oversized materials require larger pallets, many building products ship on 48x40 for retail distribution.

Agricultural Products

Produce, frozen foods, and agricultural commodities commonly use GMA pallets for domestic distribution.

GMA vs Other Pallet Standards

How does the 48×40 GMA pallet compare to other major standards worldwide? See our full comparison chart for more detail.

FeatureGMA (48×40)EUR 1 (1200×800)Asia T11 (1100×1100)Australian (1165×1165)
Footprint (sq ft)13.3310.3313.0214.61
Dynamic Load2,800 lbs3,300 lbs2,200 lbs4,600 lbs
Per Trailer Floor20 pallets26 pallets18 pallets16 pallets
Entry Type4-way (notched)4-way (block)4-way (block)4-way (block)
DesignStringer or blockBlock onlyBlockBlock
Best ForDomestic N. AmericaEuropean logisticsAsian logisticsAustralian logistics

Tips for Buying GMA Pallets

Because the 48×40 is so widely used, it is also the most readily available and competitively priced pallet on the market. Here are key considerations when purchasing:

New vs. Recycled: A new GMA pallet costs between $11 and $25 depending on lumber prices and construction quality. A recycled GMA pallet in Grade A condition typically costs 40-60% less than new. For one-way shipping or applications where appearance matters less, Grade B and Grade C recycled pallets offer even greater savings.

Heat Treatment: If your pallets cross international borders, ISPM-15 requires that they be heat treated to a core temperature of 56°C for 30 minutes. SD Re Pallet operates in-house heat treatment kilns and can stamp pallets with the IPPC compliance mark before delivery.

Wood Species: GMA pallets are typically built from southern yellow pine, oak, or a hardwood/softwood mix. Hardwood pallets are heavier but stronger; softwood pallets are lighter and easier to handle but may have lower load capacity. See our wood types guide for a detailed comparison.

Quantity Pricing: Like all commodities, pallet pricing drops significantly at volume. A truckload of 48×40 pallets (typically 400-560 pallets per flatbed load) will price considerably lower per unit than small orders. SD Re Pallet offers tiered pricing and can arrange scheduled delivery programs for businesses that consume pallets on a recurring basis.

Ready to Order GMA Pallets?

SD Re Palletstocks 48×40 GMA pallets in every grade, new and recycled, with same-week delivery throughout California.