4x4 timber tractor new in 1963, acquired by forestry contractor James Waugh in 1982. A four wheel drive version of the Mercury GM4 model 4GM4RA, this machine's spec includes an AEC AV505 engine which replaced the original AV470 and a 28ton Unipower winch. Seen at the AEC 90 rally at Newark Showground on May 26th 2002. (NF)