Boggie Hopper Wagons Side Discharge --- Designed in 1994 for transportation of iron ore, axle load 22.9T. Provided with modified CASNUB 22 NLB bogie. These wagons can carry 60 tonnes iron ore and ply in merry-go-round system. The loading is done from the top. The wagons have the same features as other wheeler bogie type wagons used for carrying bulk load. For side discharge type wagons unloading is done by manually operated mechanical process. Speed 75/75 Kmph. Capacity - 61.2 Tonnes. Type - BOBSN.