I just talked to a forklift place here in KC. They have fork lift tines already mounted on a type of backing plate. Length is 36" to 42" inches, he was not sure. Supposedly they go on a Raymond fork lift. He quoted me $200. With luck all I will have to do is add the hooks and pins in order to mount it on my 420 loader.
Will go have a look at them next week and give a report back.
BTW, my local farm and home store has plain bale spears with a receiver that you can weld on yourself for about $85.
James