A chassis is the wheeled steel frame a container locks onto for road transport. Containers have no wheels, so every truck move needs a matching chassis. In North America chassis are usually rented per day from pools; elsewhere truckers commonly own their trailers.
Chassis logistics is a hidden bottleneck: sizes must match the box, roadworthy units must be where the cargo is, and shortages stall pick-ups even when containers sit released. The US model of shared pools and daily rental grew after ocean carriers exited chassis ownership, adding a per-diem cost line and an availability variable.
Chassis charges accrue per day out, separate from container detention: a slow warehouse unload can run both clocks at once. Terminal rules on wheeled versus grounded operations decide whether boxes wait on chassis or in stacks.
Chassis problems read in tracking as released-but-stuck: the container is available in TrackingMCP, appointments exist, yet no gate-out because no chassis. Distinguishing that from customs or documentation holds matters, because the fix is equipment sourcing, not paperwork; port-level stress shows on port pages when many boxes share the pattern.
A chassis is the wheeled steel frame a container locks onto for road transport. Containers have no wheels, so every truck move needs a matching chassis. In North America chassis are usually rented per day from pools; elsewhere truckers commonly own their trailers.
Whoever the interchange and commercial terms assign, typically the trucker rents from the pool and bills the cargo party as an accessorial. Daily rates apply from pick-up to return of the chassis.
When the container and an available chassis are in different places, requiring an extra repositioning trip before the real move. It is billed as an accessorial and adds a day more often than not.
Track released-but-unmoved boxes →
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More in Inland moves & equipment: Drayage · Street turn · Rail ramp · Inland container depot (ICD) · Pre-carriage & on-carriage · Multimodal vs intermodal · Carrier haulage vs merchant haulage · Reefer (refrigerated container) · High-cube container · Flat rack container · Out of gauge (OOG) · SOC vs COC containers · Tare weight · Seal number · Browse all 106 terms →