A boxcar converted to Intermodal Service known as "lead sleds" due to their heavy tare weight. NS car carrying an Evergreen 40' international container on a chassis. Before stacks American Honda would require its parts containers going to inland assembly plants move on chassis for better ride quality.
A boxcar converted to Intermodal Service know as "lead sleds" due to their heavy tare weight. NS car carrying a container on its belly. Some railroads converted boxcars in times of severe car shortages must to the chagrin of other railroads that understood the economics.