Train Sim World 6: Union Pacific Heritage Livery Collection

Train Sim World 6: Union Pacific Heritage Livery Collection is a downloadable content (DLC) expansion developed and published by Dovetail Games, released on August 26, 2025. This DLC celebrates the rich history of American railroads by featuring six Union Pacific SD70ACe locomotives adorned in the liveries of "fallen flag" railroads that Union Pacific absorbed over the years. The included liveries are: UP 1982 – Missouri Pacific, UP 1983 – Western Pacific, UP 1988 – Missouri-Kansas-Texas (The Katy), UP 1989 – Denver & Rio Grande Western, UP 1995 – Chicago & North Western, and UP 1996 – Southern Pacific.

These locomotives are operable in Timetable Mode on the Sherman Hill route, allowing players to experience the power and history of these iconic machines. The DLC also includes six new scenarios and a training module in the Training Center, providing players with opportunities to learn and master the operation of these locomotives. This combination of heritage liveries and interactive scenarios gives both casual players and enthusiasts a chance to explore American railroading history.

Promotion for the Union Pacific Heritage Livery Collection was conducted through various channels, including announcements on Dovetail Games' official forums and social media platforms. The community was engaged through preview streams and discussions, generating anticipation among train simulation enthusiasts. The DLC was made available on multiple platforms, including Steam, PlayStation, Xbox, and Epic Games Store, ensuring broad accessibility to players worldwide. The release was eagerly anticipated by fans of American freight rail and heritage locomotives.

Upon release, the Union Pacific Heritage Livery Collection DLC received mixed feedback from the Train Sim World community. Players praised the colorful and historically significant liveries, noting the attention to detail in the locomotive designs. However, some players expressed disappointment with the limited gameplay content, citing that the DLC lacked substantial additions beyond the new liveries and scenarios. Despite these critiques, the DLC was appreciated by fans of American railroading history and those who enjoy collecting and operating heritage-liveried locomotives.