Train Sim World 6: Diesel Legends of the Great
Western

Train Sim World 6: Diesel Legends of the Great Western is a downloadable content (DLC) expansion developed and published by Dovetail Games. Released on August 26, 2025, this DLC offers players a nostalgic journey back to the 1970s, allowing them to operate classic diesel locomotives on the Great Western Express route. The pack includes the BR Class 52 "Western," BR Class 101 DMU, and BR Class 08 shunter, each meticulously recreated to reflect their historical significance and operational characteristics during the era.

The DLC introduces a new "BR Blue" timetable mode, providing a fresh perspective on the Great Western Express route. Players can engage in various services, including loco-hauled expresses, commuter runs, and shunting operations, capturing the essence of British rail operations before the advent of high-speed trains like the HST. The addition of these locomotives and services enhances the depth and variety of gameplay, catering to both seasoned enthusiasts and newcomers seeking a more traditional rail experience.

Promotion for the Diesel Legends of the Great Western DLC highlighted its authenticity and the opportunity to experience a bygone era of British railways. Dovetail Games showcased the detailed modeling of the included locomotives and the immersive environments along the Great Western Express route. Marketing materials emphasized the unique gameplay features, such as the BR Blue timetable mode and the inclusion of classic diesel services, appealing to players' nostalgia and appreciation for historical accuracy.

Reception of the DLC has been generally positive, with players praising the attention to detail and the immersive experience it offers. Many have expressed enjoyment in operating the classic locomotives and experiencing the challenges of 1970s-era rail operations. However, some players have noted minor issues, such as performance optimization concerns and occasional graphical glitches. Despite these minor drawbacks, the DLC is considered a valuable addition for those seeking a more immersive and historically accurate experience in Train Sim World 6.