|Award From||Unlabeled Crates ||Limit||∞|
|The SD90MAC Double is a version of two SD90MAC connects together for making the more power output and costing more taxes, power 15 and taxes on fuel 105. Available as a random reward from the Mystery Depot in Unlabeled Crate item. The SD90MAC Double is a very useful twin locomotive for pulling all cargo wagons for player level 60-85 and in advancing.|
| The EMD SD90MAC is a 6,000 hp (4,470 kW) diesel-electric locomotive produced by General Motors Electro-Motive Division. It is, with the SD80MAC, one of the largest single-engined locomotives produced by that company, surpassed only by the dual-engined DD series. The SD90MACs feature radial steering trucks with AC traction motors and an isolated safety cab which is mounted on shock absorbers to lessen vibrations in the cab. The SD90MAC has a wide radiator section, nearly the entire width of the locomotive, which along with their size makes them easy to spot.|
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