The PRR B6 Built in 1902 For the PRR Was their most successful switcher engine. Being seen on every small Branchline & Yard on the system. They served the Pennsy till the end of steam and beyond such in Industrial Service. Eventually tho Modernization would reach even these at the time 50 year old work horses. Like most of the Steam Era's Engine's Most of them would be sold for scrap. However 3 Examples would be preserved. Free to use with credit