Walthers Cornerstone 1/87 HO Scale WALKING BEAM-HORSE HEAD OIL PUMP Kit 933-3170

Walking Beam-Horse Head Oil Pump1/87 HO Scale Easy-To-Build Structure Kit  Walthers' Cornerstone Series -  HO 933-3170Add Authenticity To Your Towns in Minutes With This Structure Kit!Seen alone or in groups wherever oil is found, Walthers Cornerstone HO Scale Walking Beam-Horse Head Oil Pump kit is a great way to model a part of this vital industry anywhere on your layout. Finding oil is hard work - and so is getting it out of the ground. If the oil is thin enough and there's enough underground pressure, it may flow into the well on its own. This may continue for a few hours or a few years, but in time, the pressure drops. Today, nearly 95% of all US oil wells require pumps to stay in production and one of the most common is the walking beam or horse head. The Walking Beam Oil Pump typical of North American designs in use since the 1920s and includes a detailed stationary diesel power plant, walking beam, rear crank and counterweight, along with the odd-shaped "horse head" front co