| These 50 
                airslide hoppers are mineral brown with white lettering and run 
                on 100-ton Barber Roller Bearing trucks. Built as part of series 
                808000-808099, these hoppers were removed from revenue service 
                and re-stenciled for use as a buffer car in the late 1990s. Often 
                seen separating locomotives from loaded ethanol or crude oil tank 
                car unit trains, HAZMAT buffer cars are commonplace across the 
                BNSF network. |