Ready-to-Use Pulpwood Loads for Your Wood Rack Fleet One of the best ways to add realism to your car fleet is with visible loads. These cast-resin pulpwood loads are based on shortwood loads that railroads haul between pulpwood landings and paper mills. Each load comes decorated and several sizes are available for your favorite cars. Pulpwood Loads Fits Athearn Pulpwood Car Fits Atlas Pulpwood Car Fits Walthers #932-40050 Series Canadian 50′ Bulkhead Flat Car