The P Class Locomotive refers to a type of steam locomotive designed for passenger service. Built primarily in the early 20th century, these locomotives were known for their efficiency and speed, making them suitable for hauling passenger trains over long distances. They typically featured a 4-6-2 wheel arrangement, which provided a good balance of power and stability. Many P Class Locomotives were used by various railways around the world, including the British Railways and Australian Railways. Their design allowed for smooth operation on both flat and hilly terrains, contributing to their popularity. Today, some of these locomotives are preserved in museums and heritage railways, showcasing their historical significance.