Check out Container Truck Trailer by Outland Models Low-poly 3D model on CGTrader for $2.99. High-quality Subdivision ready mesh by outlandmodels: 3764 polys.
SKP (Sketchup, filesize: 459 KB), OBJ (OBJ, filesize: 222 KB), FBX (Autodesk FBX, filesize: 228 KB), DAE (Collada, filesize: 212 KB)