<p>A clothes washing machine, comprising a body cabinet (10), at the top of the external periphery whereof are provided indented seats (101); suspension assemblies (30), arranged within said body cabinet (10); and an optoelectronic weight sensor (40) connected to said suspension assemblies (30). The optoelectronic weight sensor (40) is connected to an indented seat (101) by means of a suspension assembly (30) and a ball joint.</p>