"The little boy passed away at the scene, despite their extensive efforts.''
The accident happened at a farm property on the western side of the Motu village, about eight kilometres from Motu, a farming settlement midway between Gisborne and Opotiki.
The rescue helicopter landed in a paddock in front of the house.
"The paramedics tried everything to save the boy. They were absolutely amazing,'' pilot Neil Dodds said.
Police said they were investigating to determine what happened.
Police have conducted a scene examination as part of the inquiry.
Word of the tragedy is still filtering through the Motu community.
"Everyone who knows is in shock about it,'' Motu school principal Paul Cornwall told The Gisborne Herald this morning.
"As you can imagine the little boy's family are devastated.''
It is understood the little boy was the youngest of two children in the family.
Mr Cornwall said the Motu community was ready to supply all the support it could to the family.
"At the moment they are being supported by close family but the wider community will gather round them when the time is right.''