Intermountain vs ScaleTrains.com: Battle of the Tier 4 GEVOs! Head to Head Scale Trains ET44AC by adam October 19, 2021 Who will win the battle of the Tier 4 GEVOs? Find out inside the video! Standard Statement Now Bulk Added to All Videos labeled Product Reviews: Review may include borrowed, discounted or otherwise provided product(s). See also Replace ScaleTrains couplers for better operations