In its May 2018 All Scales Monthly Catalog, Atlas announced it will re-release its Master EMD GP40 Loco in 5 new paint schemes and 5 new road numbers.
The pre-order deadline for this item is Wednesday, June 13, 2018. Estimated arrival is Q4 2018.
This loco, which features blackened metal wheels, among other things, will come in Silver/Gold undecorated versions (MSRP $114.95/$224.95). The Silver version will run (MSRP $129.95) and Gold versions will run (MSRP $239.95). The Gold version will come with DCC operation features and ESU LokSound functionality.
Here is a link to the May 2018 All Scales Monthly Catalog pdf.
Here is a link to the Atlas Master EMD GP40 Loco on TroveStar.