3901 Class O2/2 'Tango' BR Late Crest Black No.63937 (GN Cab/LNER Flush-Sided Tender) Steam Locomotive Class-50 and they stay down until

and they stay down until the train has passed

The ingenious rail section of PECO 55 combines strength and durability with a highly realistic appearance and uses the same universal rail joiners as Code 80: the geometry of this range has been cleverly designed to make it easy to build convenient

The gates can be opened by hand

This helps keep the locomotive moving in dirty or dead track sections

A single small Stay-Alive with 3-wire connections to the decoder

3901 Class O2/2 'Tango' BR Late Crest Black No.63937 (GN Cab/LNER Flush-Sided Tender) Steam Locomotive Class-50 and they stay down untilIntroduced 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