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UP "Challenger" #3985 articulated locomotive - ENGINE

• TOTAL REWORK SINCE MAJOR UPDATE
  
• /!\ TENDER IS NOW IN A SEPARATE FILE /!\
  
• Steam system rework
  
• Firbox converted to Oil-Burning
  
• Exterior details rework
  
• Cab details rework
  
• Improved articulated frame and bogeys for better behaviour in curves

It's time to get back to american locomotives ! After some requests, I finally decided to make some Union Pacific steam engines. This is the UP Challenger 4-6-6-4 #3985 articulated locomotive famous for being the precursor of the most famous 4-8-8-4 "Big Boys" locos serie.


I tried to made this loco as easy as possible to drive.
I made everything concerning the steam engine automaticaly managed so you have no chance of boiler overpressure, explosion or overheat (but you still need to refill boiler with water).
Note : please disable the "infinite fuel" option as it could cause boiler to overpressure

To start the boiler you only have to turn on the key on the front of the firebox.
On the left side of the firebox you can also switch on the water injectors to refill the boiler if needed.



In-game :

• Manufacturing : 100% vanilla components (with some .xml edited parts)
  
• Spawn : can be spawned in all vanilla workbenches
  
• Mass : around 16000 blocks