"What you've got is technicians running around here with cracked Ukrainian John Deere software that they bought off the black market".
The agreement applies to anyone who turns the key or otherwise uses a John Deere tractor with embedded software.
It means that only John Deere dealerships and "authorized" repair shops can work on newer tractors.
"What you've got is technicians running around here with cracked Ukrainian John Deere software that they bought off the black market," he added.
John Deere Service Advisor: A diagnostic program used by John Deere technicians that recalibrate tractors and can diagnose broken parts.
Farmers worry what will happen if John Deere is bought by another company, or what will happen if the company decides to stop servicing its tractors.
"What happens in 20 years when there's a new tractor out and John Deere doesn't want to fix these anymore?" »