The range of accessories includes: FOOT BRACKETS, which serve to support the motor/pump unit in the event that the selected electric motor does not have mounting feet. DAMPING RINGS, intended mainly for use with motor/pump units positioned vertically and with the pump submerged in the oil tank. DAMPING RODS, to be mounted under the electric motor feet or under the foot brackets. CLEAN-OUT COVERS, facilitate internal maintenance of oil tanks in hydraulic power units.