This video from oorail.com is a quick look at Bachmann 38-426 - 80 foot International Bulk Grain Covered Bogie Hopper Wagons. These are in the early Polybulk livery, suitable for 1970s and 1980s. These were also available in the later Traffic Services and Weathered Traffic Services liveries. Shown here with a Class 37 from Bachmann, these Polybulk bulk hoppers were often hauled by Class 37 and 47 locomotives. They were used in small formations with one or two Polybulk bulk hoppers paired with other freight rolling stock on Cornish Speed Links...