See

http://www.railjournal.com/index.php/track/plasser-reveals-new-universal-tamper-for-british-market.html?channel=542

Confused by the 4 sleeper report?

Frequent used controls on the armrests, yea good idea, but not new.

So am I LM, it looks more like a single sleeper tamper to me.

I think they mean 4 rail tamping with split head tamping banks for turnouts as shown at

http://www.plassertheurer.com/iaf2013/en/uni094x44s.html