www.avsim.ru , search for '124'
instructions:

2nd selectiojn from the right is the entry for the file library, then you get this screen. enter search string in the textbox, leave the combo's alone and press the small button to search
There are 2 different models, one by Krzysztof Malinowski, which is low-detail, and has a messed-up tail animation (around 1,10MB. 5 textures for each paint). the other ones are for the hi-poly FS2004 one (1,14MB average size, around 30 textures for each repaint)