Wonderful find. They are almost new!! They should give you many, many years of trouble free washing. I was surprised it had the penta swirl agitator. I thought it probably had the vari flex one, the one that was adjustable. Thought penta swirl came out in 1975, but am mistaken. My grandmother had a Sears washer with a penta swirl and though I thought it was boring, it did an excellent job as long as it wasn’t overloaded. If I recall correctly, it was gentle on fabrics also, but that’s been many, many years ago.
Congratulations.
Barry