cub cadet 105

hi,folks. I am wondering if this tractor has a drain plug for the tranny fluid or does it just drain out the filter when it's removed. Could use some general knowledge on this issue . Thx all !!

I have a 1970 cub cadet 105 and the part of the crank shaft where the front PTO clutch gets connected is rounded out, does any one know of any way I could fix this with out replacing the crank shaft?

I purchased a 1968 Cub Cadet 105, and the previous owner said he shorted out the two terminals on the amp gauge in the dash, while working on the battery. Since then it wont charge any more. Could the voltage regulator of fried when he shorted the two terminals on the amp gauge ? Thanks much.