[[File:GWR 2504 Milk Tank Wagon.jpg|thumb|200px|right|GWR 2504 Milk Tank Wagon]]
2504 is Milk tanks were privately owned by dairies and mounted on railway owned chassis. This 6 wheel GWR chassis carries a 3000 gallon "glass lined" (vitreous enamelled) steel tank, originally supplied for United Dairies.<br>
It was built in 1932 and acquired in 1995 by [[The GWR 813 Preservation Fund]]<br>
Currently stored at Bewdley, awaiting restoration.