Transloading

What it means

The Federal Highway Administration's freight glossary defines transloading as transferring bulk shipments from the vehicle or container of one mode to that of another at a terminal interchange point.^[1] Maersk describes it the same way for general cargo: freight moves from one mode to another during its journey, for example from ocean containers to trucks or railcars, at facilities near key ports or intermodal hubs. It works for both full-container (FCL) and less-than-container (LCL) shipments.^[2]

In port logistics the word most often means container-to-trailer work at a warehouse dock. The ocean box is devanned, floor-loaded cartons are built onto pallets if needed, and the freight is reloaded onto a dry van or box trucks. The empty container goes back to the ocean carrier while the freight continues by road. On the rail side, Union Pacific's transload program, run with its subsidiary Loup Logistics, separates rail car unloading (destination transloading) from rail car loading (origin transloading) and bundles rail, transloading and truck delivery.^[4]

What does transload mean, and what is a transloader?

"Transload" is used as both a verb and a noun. To transload a container is to unload it and reload its contents onto different equipment; "a transload" is one such job, and a transload facility is the dock or yard where it happens. A transloader is the company or facility doing the work: usually a warehouse or 3PL with dock doors, forklifts and labor, sometimes a rail-served yard.

Maersk breaks the process into three steps:^[2]

1. Inbound arrival. Freight reaches the facility by ocean, rail or truck. Ocean containers are usually trucked in from the port by a drayage carrier.
2. Unloading and sorting. The shipment is unloaded and sorted by destination, priority or delivery route.
3. Outbound transfer. The sorted goods are loaded onto outbound trucks or trains for the next leg, whether to a distribution center, a store or the end customer.

Transload vs. cross dock

The two overlap, and one job can be both. Maersk's comparison draws the line this way:^[2]

• Transloading changes the mode or equipment (ocean container or railcar to truck, or the reverse).
• [Cross-docking](term:cross-docking) moves goods quickly between trucks at a warehouse without storing them, often splitting a load for several destinations. Maersk elsewhere defines it as direct transfer with minimal to no storage time.^[3]
• [Intermodal](term:intermodal) shipping keeps the goods in the same container while the container changes modes, so nothing is unloaded.
• Transshipment moves containers directly between ships at ports.

So a container devanned and reloaded straight onto a waiting trailer is a transload performed cross-dock style. The full comparison, including when each one fits, is in cross-docking vs. transloading.

Why shippers transload, and the tradeoffs

Maersk lists the main benefits as flexibility to switch modes, picking the cheapest mode for each leg, and consolidating shipments into fewer trailers, which cuts total truck miles. Its own checklist suggests considering transloading when container volume is high and steady, which it puts at typically 800 or more containers a year, with compression such as three inbound containers becoming two outbound shipments.^[2]

The costs are real too. Maersk names extra handling as a damage risk for some products, plus the planning, documentation and coordination between providers that a transload adds.^[2] Each touch is also a counting point, so seal numbers, piece counts and condition should be recorded at devanning.

Why it matters

A domestic trailer is longer and wider inside than a 40-ft container, so freight from several containers can sometimes travel in fewer trailers when weight allows; the pallet math is in container vs. trailer capacity. Emptying the box also lets it go back sooner, which limits container detention. What it costs is driven mostly by labor, as explained in transloading cost. RapidShips runs container-to-trailer transloading at its East Brunswick, NJ dock, serving the Port Newark–Elizabeth corridor.

Example

Illustrative only: an importer has a 40-ft container of floor-loaded cartons bound for two regional distribution centers. A drayage carrier delivers it to a transload dock. Staff record the seal number, unload the cartons by hand, build them onto 48 x 40 in. pallets sorted by destination and load two domestic trailers. The empty container goes back to the ocean carrier's designated return location the same day, and each trailer leaves with its own bill of lading.

Frequently asked questions