What sort of NG do you mean? If you mean 42" 3f 6in I dont know of any grain wagons but there are some livestock wagons available, I think they are QR but I will look them up and post some kuids if that is what you want.
As I said I don't know of any grain wagons but for rollingstock you can use for cattle - QR KOJX NG TRS kuid 45335:15099 and for sheep - LARS 40ft bogey sheep wagon kuid 50567:15786 both are on the DLS.
Oh! I forgot to ask what version of Trainz you are running?
Hope this helps,
Bill69
[edit] I forgot the lars sheep wagon is originally std gauge, to make it 42" gauge change the bogeys to the same ones the cattle wagon uses.
I have just downloaded them to 2009, they both show errors in CMP2 but both show up in surveyor and load ok. CMP search function will not find the Lars sheep wagon, so you will have to go to the DLS, make sure the TRS2004 box is ticked and enter the kuid number to find it. The same applies to the QR cattle wagon.
