noun
load capacity; carrying capacity
Technical term used in engineering, logistics, and transportation to describe the maximum load a vehicle, structure, or system can handle.
このトラックの積載能力は5トンです。
This truck has a load capacity of 5 tons.
橋の積載能力を超える車両は通行できません。
Vehicles exceeding the bridge's carrying capacity cannot pass.
積載量 refers to the actual load amount or weight being carried, while 積載能力 is the maximum capacity.
Compound of 積載 (loading) and 能力 (ability/capacity). The exact historical derivation is uncertain, but the term is a straightforward modern technical compound.