RO-RO --- Roll-on/roll-off or RO-RO are railway automobile carrying system designed to carry wheeled cargo, such as cars, trucks, tractors, etc. by BRNA wagons introduced first by Konkan Railway. Later adopted by other zones as well. Here a rake of newly built Swaraj tractors can be seen mounted on BRN-22.9 wagons, seven in each wagon and total rake comprises 50 such wagons, which means this train was carrying 560 tractors.