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## About This Content
North America’s large railroads have historically had an appetite for ever
bigger and more powerful locomotives and in the mid-1990s, both Electro-Motive
and General Electric attempted to satisfy that horsepower hunger with single-
power-plant, six-axle, 6,000-horsepower diesel locomotives. GE’s entry into
this 6,000-horsepower locomotive competition was the AC6000CW, while Electro-
Motive cataloged the SD90MAC.
History shows that the market for such a large locomotive proved limited and
that from a technology and reliability standpoint, the locomotives proved
considerably less than hoped.
In the case of the EMD SD90MAC, which among North American railroads was
ordered by Union Pacific and Canadian Pacific, the planned 256H-series power
plant was both delayed in production and then proved unpopular. As a result,
only 68 6,000-horsepower SD90MACs were constructed. In what was first intended
as an interim solution, but which proven permanent, EMD instead constructed
410 of its 90-series locomotives with 4,300-horsepower 710-series engines.
These came to be generally known as SD9043MACs.
While the 6,000-horsepower SD90MACs proved to have a short service life, the
SD9043MACs have gone on to serve extended careers. Union Pacific rostered the
largest SD9043MACs fleet at 309 units and while most UP units have now been
retired, many SD9043MACs remain in service with second-hand owners, either in
as-built form or rebuilt into SD70 variants.
During the SD9043MACs active years on the Union Pacific, the diesels most
often worked heavy-tonnage trains such as unit grain or coal consists and
regardless of their lack of commercial success, the massive diesels – which
stretched 80-feet long, weighed more than 400,000 pounds, sported huge flared
radiators, and rode atop advanced “steerable” trucks – made for an impressive
sight from trackside.
Now available for Train Simulator duty, the hulking SD9043MAC wears Union
Pacific’s famed and classic yellow-and-gray livery and features realistic cab
controls and operating features.
Climb aboard for some heavy freight-hauling – with the distinctive Union
Pacific Electro-Motive SD9043MAC for Train Simulator!
## Included Scenarios
Three career scenarios featuring the Union Pacific EMD SD9043MAC on the Train
Simulator Granger Heartland: Kansas City – Topeka route are included:
* [SD9043MAC] Crossing Over (Part 1)
* [SD9043MAC] Crossing Over (Part 2)
* [SD9043MAC] Crossing Over (Part 3)
Please Note: Granger Heartland: Kansas City – Topeka Route Add-On is required,
as a separate purchase, in order to play the scenarios featured in this add-
More scenarios are available on the Steam Workshop online and in-game. Train
Simulator’s Steam Workshop scenarios are free and easy to download, adding
many more hours of exciting gameplay. With scenarios being added daily, why
don’t you check it out now!
Click here for Steam Workshop scenarios.
## Key Features
* Electro-Motive 4,300-horsepower SD9043MAC in Union Pacific livery
* Realistic cab, controls, and operating features
* Three scenarios for the Granger Heartland: Kansas City – Topeka route
* Quick Drive compatible
* Download size: 326.7MB
|Minimum System Requirements||Recommended System Requirements|
|CPU||Intel Core-i3 4330 3.50 GHz Dual Core or AMD A8 6600K 3.90 GHz Quad Core or Better||Intel Core-i5 4690 3.50 GHz Quad Core or AMD Ryzen 7 1700 3.80 GHz Quad Core or Better|
|RAM||4 GB RAM||4 GB RAM (maximum possible under 32-bit Windows)/16 GB or Better (For 64-bit Windows)|
|OS||32-bit Windows 7 Service Pack 1, 8.1 or 10 Required (Other OS versions and types are not supported)||32- or 64-bit Windows 7 Service Pack 1, 8.1 or 10 Required (Other OS versions and types are not supported)|
|Graphics Card||NVIDIA GeForce GTX 750 Ti or AMD Radeon R9 Graphics with 1 GB Dedicated VRAM or Better||NVIDIA GeForce GTX 970 or AMD Radeon RX 480 with 4 GB Dedicated VRAM or Better|
|SOUND CARD||DirectX Compatible Audio Device||DirectX Compatible Audio Device|
|HDD Space||40 GB or more available space (Additional Add-Ons will require more)||High Performance SSD Recommended with 40 GB or more available space (Additional Add-Ons will require more)|