Nameplate VANGUARD - WARSHIP CLASS, ex British Railways Type 4 B-B Diesel Hydraulic Warship Class Locomotive number D801 built Swindon Works in 1958, one of 33 diesel hydraulics built there for the Western Region. Introduced new to Laira in November 1958, where it spent all its working life until withdrawal from there in August 1968 and subsequent cutting up at Swindon in October 1970. Cast aluminium measuring 39