TSW Compatible content released for a previous Train Sim World® - features may remain unchanged from the original release and may not make use of all newer core features. Please note: Train Sim World® 4: West Somerset Railway is required, as a separate purchase, to utilise the content featured in this add-on. The 1955 plan to modernise Britain’s railways set mass dieselisation in motion. The Western Region opted for diesel-hydraulic transmission. A handful of designs would come from this decision, but none were as striking as the “Western”. Designated the Class 52, the “Western” proved the potential of hydraulic power, pulling express services with ease, and capable of 90mph operation. But, after the 1960s and 70s, rival diesel-electric power became the dominant choice for British locos. The BR Class 52, survived by a few examples, now spends its days on heritage railways, and is primed for diesel gala duty on Train Sim World 4’s West Somerset Railway! With the power of Free Roam, explore the World and put the Western to test however you desire.