A 9/16 socket will take off the governor. I just had mine apart on my 100 that also has a C123 engine. Hopefully you have better luck getting yours apart. But that's another story.
https://forums.yesterdaystractors.com/viewtopic.php?t=1173575&view=next&sid=f40779f2d06171b29af578bbf4b9c87b#:~:text=of a W4.-,8076D,-%40126lbs. they have
In that case I need to add to my list. The H also has a different head plus fenders from an auction. My Hydro 186 has a cab from a 3788, battery boxes from an 886 and a front axle tube from either a 66 or 86 series.
Do you consider a tractor Frankenstein if its got parts from other similar models on it now? If so my H has an entire transmission from another H, etc.
Apparently most of your content has been archived. Here's link to a search using your username. https://www.google.com/search?q=lbg57+site%3Aredpowermagazine.com&sxsrf=APwXEdcPgUJZ8Z5nBIR8U0rc1M4hxBYwcA%3A1681676293307&ei=BVg8ZLaiEs-6qtsP35uMgAc&ved=0ahUKEwj2uNuwnK_-AhVPnWoFHd8NA3AQ4dUDCBA&oq=lbg57+site%3Aredpowermagazine.com&gs_lcp=Cgxnd3Mtd2l6LXNlcnAQDEoECEEYAVDdDVjdDWCcHGgCcAB4AIABTogBTpIBATGYAQCgAQHAAQE&sclient=gws-wiz-serp#ip=1
I checked in the database and was only able find the content you posted in 2020. I cannot explain what happened to anything else you may have posted. Sorry.
BJ