A large black trailer was stolen from a compound in Northampton.
The Bateson PT76 trailer, which is around 20ft long and have three axels, was taken from the compound in Gate Lodge Close, off Stone Cir Road, Thorplands, shortly after 7am on March 26.
CCTV shows a red or orange Ford Transit van approaching the compound. A man got out and cut the padlock securing the gates.
The van was then driven to the trailer and the man and another alleged offender hitched the two together before making off from the site.
Officers would like to speak to anyone who may have any information about this incident or who may recognise the man pictured.
Witnesses anyone with information about this incident can contact police on 101 or Crimestoppers anonymously on 0800 111 555.