[[File:GWR Prairie Class 5100 No 5164 (8062220732).jpg|thumb|200px|right|5164 at Bridgnorth]]
==5164 in service==
5164 is a GWR Collett 5101 class 2-6-2T 'Large Prairie'. These medium-sized tank engines were used all over the GWR network for suburban and local passenger and local freight services. British Railways rated the class 4MT.