HO Scale! PRR FW1 Machine Load Kit View fullsize Photo by Tom Daspit For you PRR HO modelers, this is an HO Scale version of the stamping press load for the FWI, designed to fit in a RailClassics PRR FW1 well car.The Machine Load Kit instructions can be found here. purchase on shapeways HO ScaleJohn LeMeriseSeptember 12, 2016proto machine load 0 Likes