Old but sturdy small power unit. Tris+quads, low poly, PBR textures. Blender 2.8, Cycles 256 samples+denoising. Wearing effects using Grungit add-on (Grungit - 1-click wear and tear - Blender Market), floor texture from TextureHaven.com, HDRI lighting from HDRIHaven.com.
Available to download (free) on Sketchfab (Power Unit - Download Free 3D model by purbosky [47c5e34] - Sketchfab), also on CG Trader (Power Unit | 3D model).