Revell Big Boy LocomotiveView: Slideshow Mosaic List 1October 18, 2020 2October 18, 2020 3October 24, 2020 4October 24, 2020 Comments 4 18 October 2020, 09:46Project infoRevell Big Boy Locomotive4 images1:87CompletedUnion Pacific 4-8-8-4 'Big Boy' Union Pacific RailwayU.P 4023 All albumsView all albums »