Wodonga Crime Investigation Unit detectives are appealing for public assistance following a theft in Beechworth earlier this month.
It is understood unknown offender/s attended a property on Flat Rock Road between 1.30am and 5.15am on 16 November.
They loaded a shipping container onto the back of a prime mover before fleeing the scene.
Officers were told the shipping container had $25,000 worth of mining equipment inside it.
The prime mover is described as a white Mercedes Actros and it was towing two trailers.
Investigators have released CCTV and images of a truck and a man who may be able to assist with their enquiries.
The man is described as wearing a black singlet, black shoes, and shorts.
Anyone who witnessed the incident, has CCTV/dashcam footage or with information are urged to contact Crime Stoppers on 1800 333 000 or online at www.crimestoppersvic.com.au
