$29 Skidpro Concrete Breaker Hydraulic Concrete Demolition Hammer 3D model by Polygate2. Available on CGTrader with 13884 polys and 14219 vertices. Check it out on CGHub.
OBJ (OBJ, filesize: 355 KB), BLEND (Blender, filesize: 671 KB), C4D (Cinema 4D, filesize: 554 KB), FBX (Autodesk FBX, filesize: 1.26 MB), MAX (Autodesk 3ds Max, filesize: 4.76 MB), MA (Autodesk Maya, filesize: 744 KB), MEL (Maya Mel Script, filesize: 744 KB)