Andrews trucks
Air is pumped through the material causing the lading to fluidize and flow easily through the hopper outlets
The most significant difference in the GP50 from earlier designs like the GP40 was upgraded components (like a turbocharger silencer and new type of blower housing) and increased horsepower
Typical of outside braced cars in service from 1920s to 1950s
Factory applied sunshades
ATH-78064 Athearn HO Dash 9-44CW, BNSF #724 Medical Andrews trucksAthearn HO Dash 9 44CW Sound Ready, BNSF Warbonnet #724 MODEL FEATURES: Sound ready with 21 pin DCC plug and speakers pre installed Operating ditch lights Road name specific horn, plow, rear grills, trucks, and antennas See through cab windows Fine scale handrails Factory applied sunshades, frame mounted bell, exhaust stack, brake wheel, rear sand filler, air tanks Separately applied wire grab irons Steerable or Hi ad trucks with separate shock struts