2-Rail brass O scale UP 3939 Challenger steam 4-6-6-4 locomotive, very nicely kit or custom built train. Train has duct tape residue on front steam chests and trailing truck. Train is painted and partially decorated. Train needs paint, lettering and such. This is an impressive build, very nicely built, trimmed and detailed. Just needs finished and a tender. Train has a single motor under cab and drive shafts sending power forward to power truck assemblies. Please view the photos of the items in this lot carefully as they are being sold as they are shown in our photos with NO returns or refunds.