Bogie Covered Wagon with Air Brake --- Designed in 1990 by reducing the length of BCN wagon and increasing height, there by increasing the number of wagons in a rake to 44. Axle Load 20.32 T. CASNUB 22 NLB bogie type with non-transition CBC & O-12 I-8 S-4 spring. Speed - 80/80 kmph. Capacity - 56.73 Tonnes. Type - BCNA.