20301 & 20304 stand at Sheffield after arriving with 3S12 2023 SuO Worksop-Wakefield Kirkgate railhead treatment train on 08/10/2006.
20312 & 20309 top and tail 1Z61 0845 Stowmarket-Norwich Trowse Yard railhead treatment train (RHTT) at Thetford on 04/11/2006.
