Tell me where the repair instructions for special equipment are sold?

I can give you contacts of the company eRepairInfo, which sells manuals and instructions for special equipment from different manufacturers https://erepairinfo.com/product-category/kubota/ We bought a spare parts manual for Kubota equipment here, the file is in excellent quality, access is open forever, which is very convenient and profitable. Here you can find and buy the necessary detailed instructions for your special equipment.