Police are investigating a burglary in Tatura where a digger and two trailers were stolen earlier this month.
It is understood unknown offenders arrived at a property on Ferguson Road in a white utility about 3.40am on 4 October.
Officers were told they forced entry to the premises and rummaged through several sheds, stealing tools and camping equipment.
The offenders loaded and stole a blue box trailer, worth around $4,000, and left at around 4.15am.
They returned and stole a Kanga Mini Loader worth around $10,000, and an Earth Mover trailer, valued at around $40,000.
The offenders fled in the white utility around 5.45am. It is understood the vehicle was sighted travelling towards Burnside.
Investigators have released CCTV of a white utility leaving the scene, as well as images of the stolen mini loader.
Anyone with information or dashcam/CCTV footage is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au