The incident happened at a site on Wensley Road, near Leyburn, in the early hours of Sunday morning, where a Haulotte Cherry Picker and an Ifor Williams Cattle Trailer were set alight.
North Yorkshire Police is appealing for anyone with information to contact them on 101, select option 2, and ask for James Bowie. You can also email firstname.lastname@example.org quoting reference number 12180038571.
If you wish to remain anonymous, you can pass information to Crimestoppers on 0800 555 111.
Written By: Laura Wilson