The Great Eastern Railway Class G15, classifie as Class Y6 by the London and North Eastern Railway (LNER) was a class of 0-4-0 tram engines which were used on the Wisbech and Upwell Tramway in East Anglia. They were designed by Thomas William Worsdell. They were later used elsewhere after being replaced by more powerful GER Class C53 (LNER Class J70) 0-6-0Ts. Two survived into British Railways ownership in 1948 and they were numbered 68082 and 68083. None has been preserved.