Apparatus to support and transport objects (13a, 13b, 13c) in a treatment machine (10), in particular for washing said objects (13a, 13b, 13c), comprising at least a row (L1, L2, L3) of support modules (30) located in sequence and reciprocally connected, the support modules (30) are provided with support and abutment elements (25, 26, 29, 31, 33) configured to keep the objects (13a, 13b, 13c) to be treated in a stable position and such as to guarantee the correct treatment thereof, so as to allow a correct and automatic outflow of the treatment liquid from the object (13, 13b, 13c) treated.