Love to see repairability prioritized.

The HN crowd would enjoy the Global Village Construction Kit's work on an open-source tractor

https://www.opensourceecology.org/gvcs/

https://www.opensourceecology.org/portfolio/tractor/

https://www.opensourceecology.org/microtractor-workshop/

And their other open source machines they deemed "critical for civilization"

https://www.opensourceecology.org/gvcs/gvcs-machine-index/