FOURTRACK MODELS Fourtrack Models : 7mm Scale : FourTrack Models Products : Accessories : Castings Mouldings & Turnings from our Kits : Rolling Stock Parts : Gas Tanks Castings Info. Product info. WF7351s Gas tank & Supports View Whitemetal Casting WF7352 Gas tank - end - pair View Whitemetal Casting WF7355 Gas tank - L&YR View Whitemetal Casting