First of all, Does this machine serial number is #4505, correct ? you can check the name plate on our machine .
Attached is the exactly drawing of your machine , we also have part # marked according to your previous mail, please check again.
From your drawing , is there any part you need priority ?
For the #27 brake , do you need only brake pads or whole unit ?
Also , we would suggest you to have main shaft #4(121-26 )