6FW-PB8 is the same soybean peeling machine, but with different surface treatment. The B8 is lower price but PB8 is with powder coated surface treatment, more durable. They have the same best soybean peeling technology and working performance. They are all the best choice for peeling soybean, chick peas and green or yellow peas. You can get peeled and splitted beans with them.