UPDATE on the bottom of the G2160 I did find a plunger between 2 ears on the bottom side of the transmission, when pushed in it did open up a bypass and you could move the mower but once it is started the valve resets and the mower moves under its own power
Call It what you want but have not seen where my BX 2230 has a relief inside the transmission housing until you get to the 3 point valve There is a flow priority valve for the steering upstream of the hydraulic block for the loader.
BX2230 unless you have the 4 hose loader valve for use with the front implements the 3 hose valve stays with the loaderwhen taken off and has the valve and relief on the loader. Not connecting the 2 hoses back together will dead head the hydraulic pump.
Have an old MF35, previous owner took off the generator and put a 10si on the side with an oil pressure operated switch for exciting you may also do the key swifch or the diode with lamp to accomplish the exciting, only bad thing with the cheaper Delcos is the dust in the brushes and electronics...
Have A remote start for the RTV 1100. Guy on Ebay had a custom programmed relay board with 3 button remote. First relay was latching with second momentary foe glow plugs and third momentary for cranking. Once started and warmed up you could jump in put key in switch turn on and press number...
If you have a good PDF version. They have color pictures, which non of my dealer sourced manuals are. There are places on the internet where you can have PDF files printed and bound in various ways either in color or black and white. Another plus is you print out individual pages that you can...
Friction fit piece, maybe put some sealer that is resistant to diesel and drive it back in. Generic version on Ebay without the Kubota box is about $50