Tarmac 14T Tank Wagons

[TrennauCymru]

I have some Graham Farish 14T tank wagons branded as Tarmac. Did they actually exist or are these models a fiction? My searches have not yielded anything so far. I wonder if anyone knows about them or can advise? Bitumen  in it's normal state is of course solid. So if they existed, what did they actually transport.

Many thanks,

Karl

[thebrighton]

https://hmrs.org.uk/photographs/tank-no-60.html
https://hmrs.org.uk/photographs/tarmac-kidsgrove-12t-tank-wagon-108-op.html

[TrennauCymru]

 

https://hmrs.org.uk/photographs/tank-no-60.html
https://hmrs.org.uk/photographs/tarmac-kidsgrove-12t-tank-wagon-108-op.html