On any of these 600+ hours, did you ever noticed any grinding? That's what kills synchronizers. Either caused from shifting without the clutch or a improperly adjusted clutch.
There are lots of Kioti tractors here in Portugal. All geared transmissions as we don't do HST here. Most stacking well above 2,000 and 3,000 hours as they're used for comercial brush cutting, so pretty much daily use with probably hundreds and hundreds of direction and gear changes during the day.
Haven't heard any issues with synchronizers. Same applies to other tractors with the so called Korean engineering.
