It was not known whether he was wearing a helmet at the time of the crash.
The police Serious Crash Unit were investigating and a post mortem would be conducted, Mr Crawley said.
Last year, 6-year-old Abigail Jane Schmal-Singleton of Stokes Valley was killed in a quad bike crash after the children's quad bike she was riding hit a fence at the Jayden Kilmister memorial trail bike ride at Te Ore Ore Bideford Rd.
In April 2015, Carterton farmer Hamish McLennan died after he lost control of his quad bike on the bank of an open drain, toppled in and became trapped under the vehicle.
In 2010, Coroner Ian Smith called for minimum safety requirements on quad bikes, saying he was "at his wit's end" with Kiwi attitudes to quad bike safety.
At an inquest into the death of Filipino beekeeper Jody Santos, who was killed while riding a quad bike in 2008, Mr Smith questioned what it would take to get lifesaving equipment installed on quad bikes. He called for them to have full or partial roll bars, lap belts and the compulsory safety helmets.
In 2015, seven people were killed in agricultural quad bike crashes, according to Worksafe figures for the year until November.