UPDATE 11.55am: One lane of the Calder Highway is shut as emergency services work at the scene.
The truck was not on fire, but was smoking due to a mechanical fault.
Firefighters expect to be on scene for at least another 15 minutes.
EARLIER: Firefighters are responding to another fire in Bendigo, just over an hour after one at a caravan park.
CFA crews are responding to the reported truck fire on the Calder Highway at Kangaroo Flat, near Lansell Square.
Police have also been requested for traffic management.
More to come.