Bogie Open Wagon with Air Brake --- These are designed for transportation of iron ores, coal etc. These wagons are either fitted with Casnub-22W (without Elastomeric pads) or Casnub-22W (with Elastomeric pads) NLB bogies with a maximum axle load 20.32 T, non-transition center buffer couplers and single-pipe graduated release air brake system. Capacity - 58.08 Tonnes. Type - BOXN.