Casey Crime Investigation Unit are appealing for witnesses following the alleged theft of a Vermeer S75TX front load digger in Clyde North.
The digger was taken from a construction site on Soldiers Road in early November last year.
Police have supplied an image of a digger of similar make, model and colour.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or www.crimestoppers.com.au and quote incident number 180013835.