3904 Class O2/2 'Tango' British Railways Black No.63938 (GN Cab/Tender) Steam Locomotive MK1-Coach Branch: left

Branch: left

All aboard

7 amps max

all but one of the original units remain in traffic to this day

Mark the position for the dowels

3904 Class O2/2 'Tango' British Railways Black No.63938 (GN Cab/Tender) Steam Locomotive MK1-Coach Branch: leftIntroduced by the Great Northern Railway in 1921 to a design by Sir Nigel Gresley, these powerful 2 8 0s were built to haul heavy coal and ironstone trains. Several batches were built over a 22 year period by the Great Northern Railway (GNR) and LNER, with numerous improvements such as better cabs and bigger tenders. Heljan's models depict the O2 1, O2 2 and O2 4 variants with the previously unreleased GNR style cabs (original high style and reduced