積せき載さい量りょう

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Meanings

1

load capacity; carrying capacity; maximum load

Technical term used for vehicles, containers, or structures to indicate the maximum weight or volume they can safely carry.

This truck has a load capacity of 4 tons.

エレベーターの積せき載さい量りょうを超こえないように注ちゅう意いしてください。

Please be careful not to exceed the elevator's carrying capacity.

積せき載さい
積載 is the act of loading or the loaded state, while 積載量 specifically refers to the measurable capacity or limit.
容よう量りょう
容量 is a general term for capacity (volume, storage, etc.), whereas 積載量 is specifically about load-bearing or carrying capacity.

自じ重じゅう
自重 is the empty (unloaded) weight of a vehicle or structure, whereas 積載量 is the maximum weight it can carry, the opposite concern in engineering specs.

Compound of 積載 (loading, from 積む 'to load' and 載せる 'to place on') and 量 (quantity, amount).