UPDATE 9.45am
PARAMEDICS have transported a man in a stable condition to the Princess Alexandra Hospital.
UPDATE 9.10am
PARAMEDICS are treating a man injured by a radiator reported to be about 500 kilograms.
A Queensland Ambulance Service spokesperson said the man had chest, abdominal, pelvis and leg injuries.
A critical care paramedic and high acuity response team are on scene.
EARLIER
A MAN has been injured by a 500 kilogram object at a workplace at North Maclean.
A Queensland Ambulance Service spokesperson said the incident had occurred at the premises on the Mount Lindesay Highway about 8.15am.
The man is believed to be in his 30s.
Paramedics are on scene.
More to come.