Packing a large shipment correctly protects your goods from damage, keeps shipping costs predictable, and prevents surprise fees on your invoice. Whether you’re sending palletized freight through an LTL (less-than-truckload) carrier or shipping oversized boxes via a parcel service, the fundamentals are the same: secure the contents, measure and weigh accurately, and document everything before the shipment leaves your hands.
Choose the Right Container or Pallet
For shipments too large or heavy for standard parcel boxes, a wooden pallet is the default. Standard pallets measure 48 by 40 inches and are widely accepted by freight carriers. If your goods don’t fit neatly on a pallet, you can use a wooden crate, a corrugated Gaylord box (a large, heavy-duty cardboard container that sits on a pallet), or a custom-built skid. The goal is a flat, stable base that a forklift can lift from either side.
For non-palletized large shipments, use new double-wall corrugated boxes rated for the weight you’re putting inside. A box’s edge crush test (ECT) rating, printed on the manufacturer’s stamp at the bottom, tells you how much stacking pressure it can handle. For items over 70 pounds, look for a minimum ECT of 48 or a burst strength of 275 pounds per square inch.
Interior Packing and Cushioning
Large items shift more violently in transit than small ones because they carry more momentum. Fill every gap inside the container. Closed-cell foam, inflatable air pillows, and molded pulp inserts all work, but the key rule is that the item should not move at all when you shake the packed container. If it shifts even slightly, add more fill.
For heavy machinery, auto parts, or equipment, bolt or strap the item directly to the pallet or crate base. Foam alone won’t restrain a 200-pound engine during a hard brake. Use lag bolts through the pallet deck or ratchet straps anchored to the frame of a custom crate. Wrap the item in anti-corrosion VCI film or heavy-duty polyethylene sheeting if it’s metal and could be exposed to moisture.
Fragile components packed inside a larger shipment need their own cushioning. Wrap each piece individually, then pack them so they don’t press against each other or the outer walls. Two inches of cushioning material between the item and the container wall is a common minimum for anything breakable.
Stacking Boxes on a Pallet
How you arrange boxes on a pallet matters as much as what’s inside them. Two main methods dominate: column stacking and interlock stacking.
Column stacking places each box directly on top of the one below in perfect alignment. This maximizes the boxes’ vertical compression strength, making it the better choice for heavy, rigid, uniform cartons. The trade-off is reduced lateral stability. If the pallet gets bumped or tilted, a column-stacked load is more likely to topple.
Interlock stacking alternates box orientation between layers so they overlap like bricks in a wall. This locks the layers together, resists side-to-side shifting during transport, and reduces the chance of collapse. It works especially well for mixed-size or lighter boxes. For most shipments, alternating one interlocked layer with one column layer gives you both compression strength and stability.
Regardless of method, keep these rules in mind:
- No overhang. Boxes that extend past the pallet edge lose the support of the deck below and are far more likely to get crushed or knocked off during handling.
- Heaviest on the bottom. Place the densest, sturdiest cartons on the lowest layer and lighter items on top.
- Flat top surface. A level top layer lets pallets stack safely in the trailer. If your boxes create an uneven top, fill the gaps with cardboard or foam to create a flat platform.
- Stretch wrap generously. Wrap the entire pallet load with at least three to five revolutions of stretch film, starting at the base and working up. Tuck the film under the pallet deck on the first pass so the load is anchored to the pallet itself, not just wrapped around the boxes.
Measure and Weigh Accurately
Freight carriers classify your shipment based on four characteristics: density, handling difficulty, stowability, and liability. Of these, density (how heavy the shipment is relative to the space it takes up) has the biggest impact on your rate. Each commodity receives a freight class from 50 to 500 under the National Motor Freight Classification system. Denser, easier-to-handle goods get a lower class and a lower price. Bulky, fragile, or hazardous items land in higher classes.
Always measure the actual dimensions of the packed, palletized shipment, not the product alone. Include the pallet in your height measurement. Weigh the shipment on a calibrated scale rather than estimating. Carriers routinely remeasure and reweigh packages during processing, and if your numbers are off, you’ll see a rebill fee on your invoice. Misclassifying freight can also trigger reclassification charges and delays. Knowing your freight class before you book gives you a realistic cost estimate and keeps surprises off your bill.
Labeling and Documentation
Every pallet or large package needs a clear shipping label on at least two sides, visible from a forklift operator’s line of sight. Include the origin address, destination address, shipment weight, piece count, and any handling instructions. If the contents are fragile or must stay upright, use ISO-standard pictorial markings (the broken wine glass, the upward arrows) rather than relying on written words a handler might not read.
The bill of lading (BOL) is the most important document in a freight shipment. It’s your contract with the carrier and your primary evidence if something goes wrong. List every item in the shipment with its description, weight, dimensions, freight class, and piece count. Keep a signed copy for yourself before the driver leaves.
Avoiding Surprise Fees
Accessorial charges are extra fees carriers add when a shipment requires handling beyond standard dock-to-dock delivery. They stack fast and can push your total cost well above what you originally quoted. The most common ones to watch for:
- Liftgate fee. If the delivery location doesn’t have a loading dock, the driver uses a hydraulic lift to lower freight to ground level. This costs extra, but requesting it upfront is cheaper than having it added after the fact.
- Residential delivery surcharge. Carriers classify addresses using their own database, not yours. A business operating from a home address, or a commercial building that the carrier’s system flags as residential, can trigger this surcharge even for legitimate business shipments.
- Delivery area surcharge. Shipments going to ZIP codes carriers consider rural or hard to reach carry an additional per-package fee. A residential address in a rural ZIP code can trigger both this and the residential surcharge on the same shipment.
- Large package and additional handling surcharges. These are triggered by actual scanned dimensions, not what you enter on the label. Accurate measurement at packing time is your best defense.
Review every detail of your shipment before pickup and tell the carrier exactly what services you’ll need. Fees added after booking are almost always higher than those quoted in advance. It’s also worth auditing your invoices: roughly 15% of parcels are invoiced incorrectly, and billing errors can account for 3 to 8 percent of total transportation spend.
Inspecting Freight at Delivery
If you’re on the receiving end of a large shipment, how you handle the moment of delivery determines whether you can file a successful damage claim later. Before you sign the delivery receipt, visually inspect every piece. Look for crushed corners, torn stretch wrap, water stains, punctures, and any sign the load shifted in transit.
Note all damage on the delivery receipt and the bill of lading. Be specific: “7 dented cartons on south side of pallet, stretch wrap torn, top layer collapsed” is far more useful than “some damage.” If you suspect hidden damage you can’t see without opening boxes, write “Subject to inspection” or “Damaged” on the receipt and inspect as soon as possible. If the driver refuses to let you check the freight or sign with notations, refuse the shipment entirely.
If you discover damage after the driver has left, notify the carrier within 15 days. To file a freight claim, assemble the original bill of lading, a completed claim form, the product invoice, proof of delivery, the carrier’s freight bill, repair cost invoices if applicable, photographs of the damage, and a detailed written description of what was lost or damaged. Take photos before you move or clean up anything. The more thorough your documentation, the faster and more likely your claim is to be paid.