B12 VR J class tender bogie
- Wheels are to NMRA RP25 code 99 profile and HO gauge, from the standard SEM range of wheelsets.
- All wheelsets are insulated for 2 rail pickup.
- Spoked wheels have injection moulded acetal plastic centres with metal tyres.
- Wheelsets are non-magnetic, with pinpoint brass axles and chemically blackened tyres.