A washing plant (10) comprises a battery (12) of washing and heat-disinfection machines (14, 16, 18) disposed along an alignment axis (X), able to operate in parallel with respect to each other in order to effect the washing and heat- disinfection, at least a translator slider (20) mobile in an automatic manner parallel to the alignment axis (X) [in a front position to aaid btittory (12^ which receives the objects to be washed and both transports them in correspondence to the entrance of one of the machines (14, 16, 18) selected on each occasion depending on the washing program set or depending on availability, and moves them inside the desired machine (14, 16, 18) in a direction of feed (F) substantially perpendicular to said alignment axis (X), transport means (24) being provided to direct the objects to be washed toward the translator slider (20) operating in a direction of transport (Y) substantially parallel to said alignment axis (X).
