Thieves stole a tipper truck that was parked at a petrol station.
The truck was parked at the Jet petrol station on Pontefract, Road, Knottingley on Thursday, November 19.
Police said it was stolen some time between 4.45pm on Thursday and 6.45am on Friday.
Anyone with any information should contact Pontefract and Knottingley neighbourhood police team on 101.
Alternatively, contact Crimestoppers, anonymously, on 0800 555111.