That may be a broken coupling but if that is ok it could be a broken cam driver or worn clutch or it could be the main drive gear and pinion or the spin pawl inside the tranny. All are very simple to repair. I have repair photos HERE
May the hinges of our friendship
never grow rusty.
About the icons: The beer is tip link, if a tech saves ya some money buy em a 6 pack. The small green square=personal message. The green dot is a link to my web page on appliance repair