Patch-Notes (24 sep 2025) : First release Description of the mod : I'M BACK After 4 years making steam engine on this game, for the first time (and probably the last), I made a DIESEL locomotive. I really enjoy bringing back to life experimental engines wi...

Patch-Notes (26 Jun 2024) : 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 i...

Patch-Notes (03 Jul 2024) : Fixed water pump not working Description of the mod : This is the tender for the steam locomotive UP #3985 "Challenger". This tender contains the diesel tank and the water tank. You can refill the water main tank from the specia...

First Release (01 sep 2024) : Updated exterior details and logic Description of the mod : This is a water auxiliary tender of the Union Pacific built to increase locomotive range. This tender contains a 80000L water tank. On the front and the rear, you can...

Patch-Notes (06 Jul 2024) : TOTAL REWORK SINCE MAJOR UPDATE Steam system rework Firbox converted to Oil-Burning Exterior details rework Cab details rework Improved articulated frame and bogeys for better behaviour in curves Description of the mod : After t...