ダンプ (danpu) means “dump truck” | MotiTan Japanese Dictionary

More examples

現場ではダンプで土砂を運んでいます。gen ba de wa da n pu de do sha o hako n de i ma su

At the site, they are transporting soil by dump truck.

Describes a work truck that carries loose materials and empties them by raising and tilting its rear bed.

ダンプカーdanpukā: A full term for a work truck with a raised rear bed for carrying and unloading loose materials.

荷台を持ち上げて傾け、土砂などの積み荷を排出するトラック。ni dai o mo chi a ge te katamu ke do sha na do no tsu mi ni o hai shutsu su ru to ra kku

ダンプ (danpu) comes from ダンプカー (danpu kā), formed from English dump, "unload by tipping," and car, "vehicle," with ダンプカー shortened in Japanese.

British English often uses tipper truck for the vehicle called a dump truck in American English, making both terms useful in construction contexts.