01 Catalog line
Heavy duty plastic pallets
Heavy duty plastic pallets are the models with the highest published dynamic, static and racked loads, built with thick ribbed or solid decks, runners or perimeter bases and steel or structural-foam reinforcement. Give us the heaviest load and how it bears on the deck, and we'll quote models rated above it.
- Dynamic load
- Ask for the moving figure on forks; drums and parts shift in transit
- Static load
- Ask whether it allows loaded pallets stacked on top, and how many
- Racked load
- Heavy duty doesn't mean rack-rated; ask for racked at your span
Heavy duty is an adjective; the ratings are the spec
No standard says what weight makes a pallet heavy duty. Makers use the phrase for their stronger models, and resellers use it for almost anything. This line lists pallets by the three numbers the maker publishes for the exact model, and the adjective is only a heading.
Here is what one published sheet looks like. A heavy-duty nestable 40x48 from Rehrig Pacific is molded in PP copolymer, measures 48.25 x 40.25 x 6.5 in, weighs 28.5 lb and is rated 10,000 lb static and 3,500 lb dynamic. Those two figures say how it does flat on the floor and moving on forks. Neither tells you how it does on rack beams, which is a separate figure and the one most buyers of heavy loads need to see.
How makers build strength into a plastic pallet
Most heavy-duty models combine several of these. A rack-rated 48x40 for parts might pair a solid deck with three runners and steel in all of them; a heavy floor pallet might skip the steel and rely on structural foam.
| Construction | What it adds | What it costs |
|---|---|---|
| Thicker deck and deeper ribs | Stiffness across the span and under point loads | Weight per pallet |
| Structural foam molding | Thick, rigid walls in a single part | Weight, and fewer nestable designs |
| Steel tubes or channels molded in | Higher racked load and less sag over time | Weight and price; a part you can't regrind as easily |
| Fiberglass or composite rods | Racked strength with less weight than steel | Price |
| Perimeter base | Load spread evenly onto beams and the pallet below | No nesting; limited hand-jack entry |
| Solid deck | No grid openings for feet, rims or rings to punch into | Less drainage and airflow |
| Rotational molding | Very thick walls on low-volume heavy parts | Weight, and higher price per part |
The shape of the load matters as much as its weight
Ratings assume the weight is spread evenly across the deck. Heavy goods often aren't. A machine on four feet, a drum on its rim or a roll on its side puts the same weight onto a small area, and the deck has to carry it there. Tell us what the load is, not only how much it weighs.
| Load | How it bears on the deck | Check on the model |
|---|---|---|
| Steel drums | Ring loads at each rim | Solid deck or rim positions; square footprint |
| Paper or film rolls | A line load along the roll | Solid deck, cradles or chocks, deck stiffness |
| Machinery on feet | Point loads at a few spots | Deck thickness, where the feet land against the ribs |
| Filled totes and IBCs | Feet or a cage frame | Solid deck; whether feet land between ribs |
| Dense cartons, block stacked | Even, but very heavy | Static rating with loaded pallets on top |
| Castings and metal parts | Uneven, with sharp edges | Deck surface and impact resistance |
Temperature, time and handling
Plastic gets softer as it warms and stiffer as it cools. A pallet carrying a heavy load in a hot trailer or a mezzanine can creep, sagging a little more each week. Polypropylene becomes more brittle in the cold, which is why freezer work favors HDPE or PP copolymer. If your load sits for long periods or the room is hot or freezing, say so.
Heavy loads also mean heavy handling. Fork tines hit the blocks harder, dock plates jolt the pallet, and a dropped load cracks a weak corner. Models built for this work often have reinforced corner blocks and fork stops.
Where heavy duty pallets fit, and where they're wasted
Common footprints are 48x40, the 48x45 automotive size, square 48x48 and 44x44 for drums and chemicals, and 42x42 for paint and telecom loads.
- Fit: drums, parts, castings, rolls and filled totes in plants and DCs
- Fit: closed loops between a supplier and an assembly plant that rack at both ends
- Fit: loaded floor stacks of dense product
- Wasted: light cartons on a floor that never sees a rack
- Wasted: one-way export, where weight adds freight cost and the pallet won't come back
Check the equipment as well as the pallet
Heavy loads on a hand pallet jack put the jack's wheels under the base, so a perimeter base needs jack openings and a three-runner base takes the jack only from its ends. Reach trucks and counterbalance forklifts use four-way entry, but wide forks or fork positioners need entry openings that clear them on the drawing. Automated guided vehicles need a consistent base their sensors can read, and clamp trucks squeeze the load itself, so the pallet must not overhang the clamp pads.
What to put in a heavy duty quote request
Start with the heaviest single load in pounds and describe it: drums, rolls, machines, totes or cartons, and how it touches the deck. Say whether the pallet will be racked, at what beam span, and whether loaded pallets stack on it on the floor. Add the room temperature if it isn't ordinary, the footprint, the quantity and the delivery ZIP. We email back the models whose published ratings clear your load with margin, and a delivered price.
Questions buyers ask
What weight does a heavy duty plastic pallet hold?
It depends entirely on the model, and the maker's sheet gives three separate figures. One published heavy-duty nestable 40x48 is rated 10,000 lb static and 3,500 lb dynamic.
Do heavy duty plastic pallets have steel inside?
Many rack-rated heavy models do, as tubes or channels molded into the deck or runners. Others rely on structural foam or deep ribbing without metal.
Are heavy duty pallets always rackable?
No. A pallet can be very strong on the floor and still have no racked rating. Ask for the racked figure at your span before you rack it.
Is HDPE or polypropylene better for heavy loads?
Polypropylene is stiffer for its weight, and HDPE holds its impact strength better in the cold. Many heavy models use PP copolymer to get some of both.
Can heavy duty plastic pallets replace hardwood skids?
For many floor and rack jobs they can, if the published ratings clear the load with margin. Very dense, concentrated loads such as steel coil are often better served by purpose-built skids, so describe the load before you switch.
Sources
- Cabka: plastic pallets for export and ISPM 15
- Rehrig Pacific: 40 x 48 heavy duty nestable pallet sheet
Last reviewed November 8, 2026.