Police have named the truck driver who died in a crash on Wainui Road, near Kinleith, on Friday.
He was Edward Tumaru Pahuru, 57, from Mangakino.
Police are investigating the possibility Mr Pahuru suffered a medical event prior to the crash.
The crash happened on a forestry road and emergency services were contacted at 1.27pm on Friday.
Mr Pahuru was the sole occupant of the truck.
The death has been referred to the coroner.