1264 (later 61264), LNER B1 Class

A preserved LNER B1 Class 4-6-0 mixed-traffic locomotive, built by the North British Locomotive Company in 1947 to Edward Thompson's design — the LNER's principal post-war mixed-traffic type, known informally as the "Bongo" class. One of two preserved B1 class locomotives. Based at and operated by the North Yorkshire Moors Railway.

Last recorded as based at the North Yorkshire Moors Railway, owned by the NYMR. Operating status: Heritage railway service / cycles. Current livery: BR mixed-traffic black.

Location, livery and operating status last confirmed pre-2024 and subject to change. Check with the owning organisation or heritage railway for current information.