The few pages I've looked at seem to be mostly (if not completely) AI hallucinated, with semi relevant photos from WikiMedia linked. Despite the name there is no way to edit the articles or even log in.

Also the "BOMs" are provided for such generic objects as "Excavator", which makes no sense. Different excavators will be made of different parts. If you want to get the general idea you can ask an LLM yourself instead of going to that website.

It's a wiki