Radpanzerhaubitze auf Sonderkraftfahrzeug 1337 (G)

Hi, do you have a usable 3D Model of the Radpanzerhaubitze auf Sonderkraftfahrzeug 1337 (G) from World of Tanks April Fools. Its a downloadable Mod over here: https://wgmods.net/5488

But I dont know how to extract the 3D Model. Thanks in advance :)