| In 1950-1951, Lima-Hamilton built twenty-two colossal 2,500-hp transfer units for the Pennsylvania Railroad. These boxy center-cab units served for transfer work, which was similar to switching but on a larger scale. Rather than simply moving cars around a yard, these more powerful diesel engines moved cars from one yard to another, covering longer distances and heavier consists that would have been too challenging for many switchers. Although this large, dual-engine unit worked well for the PRR - Patrick http://www.railroadfan.com/ IF anyone knows its designation let me know PLEASE |