Cool, looks like the truck from Destroy All Humans! Probably both based on the same truck, but still... anyways I'm going to try to convert to GTA3. If I'm successful I'll send a copy to you and you can host it alongside this one- I would make my own mod page but I hate taking credit for others work.
read_first.txt file content:
*It is first and last version
to data folder carcols.dat /Walton colour is changed
to GTA3.IMG walton.txd, walton.dff
This modification is for Grand Theft Auto: Vice City,