This pack was designed and built exclusively for Train Simulator Classic.​​
 
No manual, easy and practical installation using RW Utilities, or if you have more experience; extract the .RWP file and place the "Assets" folder in the directory: Steam\steamapps\common\RailWorks
 
To find them in the game, go to Quick Drive and create a Custom consist, or open a route in the editor and look for the Modifier List "Machine Rail" > "55t Steel Twin Hopper".
 
Approximate Product Download size: 1GB
 
In this package of 55t Steel Twin Hoppers, you will find 18 variations from the following railroad companies:
 
ATSF:
3 Variations
 
Southern Pacific:
3 Variations
 
Union Pacific:
3 Variations
 
Northern Pacific:
3 Variations
 
Wabash:
3 Variations
 
Southern:
3 Variations