Common loanword for goods transported by ship, plane, or truck. Often used in compounds like カーゴパンツ (cargo pants) or カーゴ船 (cargo ship).
この船はカーゴを満載している。
This ship is fully loaded with cargo.
空港でカーゴ
I observed the loading and unloading of cargo at the airport.
cargo cult
roll box pallet; cargo container
bulk cargo
cargo sling
Borrowed from English 'cargo', likely via maritime or aviation terminology.