21 ton Rebodied Hopper Wagon (Vac. Braked) In the 1970s BR started to put new bodies on hopper wagons built in the 1940s and 1950s. Some ran with vacuum brakes. Examples lasted into the 1990s. These finely moulded plastic wagon kits come complete with pin point axle wheels and bearings. Glue and paint will be required, along with appropriate transfers . Additional parts to enable the vehicle to be modelled incorporating modifications made to the prototypes during their working life are included where appropriate.