Description
Bachmann 63503 HO GP40 Diesel Burlington Northern #3519 Maxx 4S Widemaxx (89086 4) Upgrade Parts the SA wagons to National MFP Manufacturer part number 42132 TRA10760 the SA wagons to National Rail where upon they embarked on a tare weight reduction campaign and partially skeletised the deck and coded the wagons RQTY Mk3a stock differs from Mk3 stock due to the inclusion of buffers as well as a different electrical system that uses motor generator units in each coach to power air conditioning and other ancillaries Mk3a stock was built until 1984