The fluid contend of the liquid wagons is not broadcasted to the circuit network at the train stop.
Also, liquid contend isn't displayed if a locomotive is selected.
This makes it difficult to fill the liquid wagon to a specific level.
For items in the standard cargo wagon, everything works as expected.
[0.15.x] Fluid content of train not send to circuit network
Re: [0.15.x] Fluid content of train not send to circuit network
Has already been reported here, sorry! 