Jack van Silfhout thought he was "a goner" as he lay in a paddock, unable to move after being crushed by his tractor.
Mr van Silfhout's injuries included a crushed pelvis, broken nose, broken eye socket and crushed ribs.
The Welcome Bay farmer has spent the past five months recovering from his injuries and has called for farmers to stop thinking they are indestructible.
His comments come as figures showed more than 2000 farming-related injuries were reported in the Western Bay of Plenty from 2011 to 2013 - costing more than $1.5 million in compensation.
Mr van Silfhout, whose accident happened in April, was lucky the tractor had landed off him and he was not trapped. He managed to reach his cellphone and call his son. Mr van Silfhout has had more than 30 years experience working with large machinery and had celebrated his 71st birthday two days earlier. "Farmers need to be more conscious of the machinery they're using, because if you make a mistake, you're finished. I shouldn't have used the tractor I did because it didn't have a safety frame ..."