Ferguson Club Information Exchange

Thanks Sandy, I've cleaned the dynamo, and came up with the following: 20230315_102424.jpg I can make out a faint C39 P2 stamped into the casing with a service no of 22251A it seems to have V60 V6 stamped into the casing as well so I suspect its had a replacement dynamo fitted from some kind of dono...

Help! Im very confused. I've been asked to help get a TED-20 back up and running, it needs a battery, but there are no markings available on any of the electrical components for me to identify if its a 6v or 12v tractor. I have copies of the workshop and service manuals, and a sparex parts manual bu...