Overview Product Description Pair of Atlas O 0631/81 Chessie System 52' 6" mill gondolas, fixed ends, New in Box. 3 rail or 2 rail. Please specify Chessie cat logo, with B&O reporting marks 1 each of 2 different road numbers/ Well detailed..separately applied ladders and other details Underbody brake line details Diecast sprung trucks and couplers Product Videos Custom Field Product Reviews