Brother KH511 is very likely the first pushbutton knitting machine to appear on the market. Its only 4-pushbuttons allow for a more automatic needle selection, activated by the pressing the buttons and rotating the ratchet tool.

Its vintage look is similar to the earlier manual-only models: with metal unfolding flaps like KH311. The carriage also looks vintage, but, to the best of my knowledge, no very similar to any of the Brother’s earlier knitting machine models I found so far.

The uniqueness of this machine its pink pushbuttons. The rest is identical to the later models: KH521, KH531, and KH551.