Sharon Graham, 63, pleaded not guilty to the murder of Bruce James Saunders at a property near Gympie on November 12, 2017.
She was accused of asking her then-partner Greg Roser and Peter Koenig to kill Bruce Saunders, 53, for insurance money.
He died while the three men cleared vegetation on a friend’s rural property in the Sunshine Coast hinterland.
Saunders and Graham had been in an “on and off” relationship.
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Koenig told the jury that he saw Roser hit Saunders multiple times on the head with the iron bar before helping carry the lifeless body to the woodchipper.
Koenig said he placed Saunders on the chipper tray and used a stick to push the body in.
The next day Graham discussed Saunders’ will over coffee before sleeping in his bed with another man, the court heard.
Graham is set to be sentenced after the jury reached a guilty verdict on Friday afternoon.