Police found John Levinski under the machine on the 400 block of Township Line and not breathing after neighbors called 911 just before 5 p.m., Hillsborough police said.
The mower had been hoisted in the air by a cable that was attached to a Kubota tractor when the cable broke and the mower fell on Levinski, police said.
He was pronounced dead at the scene.
The incident has been ruled accidental in nature.
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