*'''417 Invicta''': Andrew Barclay 0-4-0ST, works no 2220/1946, Chatham Dockyard No. 417. Arrived in June 1972<ref> www.dockyardrailway.co.uk</ref>. Left in Spring 1975, now at the Chatham Historic Dockyard Railway.
*'''61994 The Great Marquess''': LNER No 3442, Gresley K4 West Highland. Arrived in September 1972. Left in 2007. Now operates on the main line.
*'''4141''': Collett 5101 'Large Prairie'. Arrived in January 1973. Left <tba>Restoration had stalled by 1988, when the locomotive was sold. Now at the Epping Ongar Railway.
*'''78019''': BR Standard 2MT. Arrived in March 1973. Was partly restored while at the SVR, but did not enter service. Left in 1998, now at the Great Central Railway.
*'''DRG 64 305''': German 2-6-2T manufactured by Krupp. Arrived in July 1975. The locomotive was steamed, but did not enter service due to gauge issues. Left in 1977, now at the Nene Valley Railway.