$79 ZIS 2 Cannon USSR Low-poly 3D model by andriiyermolenko. Available on CGTrader with 19721 polys and 10490 vertices. Check it out on CGHub.
MAX (Autodesk 3ds Max, filesize: 3.85 MB), OBJ (OBJ, filesize: 2.96 MB), FBX (Autodesk FBX, filesize: 3.86 MB), C4D (Cinema 4D, filesize: 2.09 MB), MA (Autodesk Maya, filesize: 4.22 MB), UNITYPACKAGE (Unity 3D, filesize: 183 MB), MEL (Maya Mel Script, filesize: 1.52 KB), UASSET (UnrealEngine, filesize: 196 MB), OTHER (Other, filesize: 196 MB), TBSCENE (Marmoset Toolbag, filesize: 14.3 MB), PNG (PNG, filesize: 547 MB), EXR (EXR, filesize: 274 MB), JPG (JPG, filesize: 274 MB)