Hi mate,
I got a number of these for sale, see karcher 801 ad just below you, I think there's one pictured across top of washer. not a trader, just bought about 12 in a firesale a while back. I have the 7.3, 5.7 and the smaller one also. Up in banbury but in essex (billericay) on sat evening if you wanted me to pick any up and meet up the a12.
pretty much unused, just been carried in van. £80 seems to be going rate.
Let me know if you want to arrange