The force say it happened at about 7am on Thursday, April 10, at a business premises in Nether Poppleton on the outskirts of the city and involved two men who took a floor cleaner from outside a garage.
A police spokesman said: “Please contact us if you recognise the men pictured on CCTV, they may have information that will assist our investigation.
“Email emily.ellis@northyorkshire.police.uk if you can help.
“Alternatively, you can call North Yorkshire Police on 101 and ask for PC1591 Ellis, or contact Crimestoppers anonymously on 0800 555 111 or via their website. Please quote reference 12250063854 when passing on information.”
