The 58-year-old was discovered with important accidents in Manangatang, between Swan Hill and Mildura close to the border with New South Wales, about 9.15pm yesterday.
Murder detectives have launched an investigation and remained on the scene in a single day.
Police have appealed to anybody who noticed the suspected homicide, or has any details about what passed off.
Individuals with info ought to name Stoppers on 1800 333 000 or submit a confidential report on-line