A refrigeration unit comprising: a cabinet having a plurality of panels forming an interior space; a motor having a shaft and a plurality of mounting studs; wherein a first panel of the plurality of panels is formed with a fan aperture (144, 148) therethrough; a Venturi shroud formed on the first panel around the fan aperture (144, 148), wherein the Venturi shroud extends axially outward from the cabinet; a motor mount comprising: a central motor mounting member having a plurality of apertures for receiving the plurality of mounting studs on the motor, a plurality of legs, each having a distal end and a proximal end, wherein the proximal ends of the legs are coupled to the central motor mounting member and the distal ends are coupled to the first panel radially outboard of the fan aperture (144, 148) when in an assembled position, and wherein the proximal ends of the plurality of legs are axially closer to the motor than the distal ends of the plurality of legs when in the assembled position; wherein the Venturi shroud is formed with a plurality of slots, each slot of the plurality of slots sized to allow one of the plurality of legs of the motor mount to enter the slot; a fan blade coupled to the shaft of the motor; and characterized by a guard member (160, 164) coupled to the first panel, wherein the guard member (160, 164) has a convex outward facing portion and a concave interior portion, and wherein the concave interior portion covers the fan blade, wherein the plurality of legs are curved 180 degrees and/or are shaped like spider legs. a cabinet having a plurality of panels forming an interior space; a motor having a shaft and a plurality of mounting studs; wherein a first panel of the plurality of panels is formed with a fan aperture (144, 148) therethrough; a Venturi shroud formed on the first panel around the fan aperture (144, 148), wherein the Venturi shroud extends axially outward from the cabinet; a motor mount comprising: a central motor mounting member having a plurality of apertures for receiving the plurality of mounting studs on the motor, a plurality of legs, each having a distal end and a proximal end, wherein the proximal ends of the legs are coupled to the central motor mounting member and the distal ends are coupled to the first panel radially outboard of the fan aperture (144, 148) when in an assembled position, and wherein the proximal ends of the plurality of legs are axially closer to the motor than the distal ends of the plurality of legs when in the assembled position; wherein the Venturi shroud is formed with a plurality of slots, each slot of the plurality of slots sized to allow one of the plurality of legs of the motor mount to enter the slot; a fan blade coupled to the shaft of the motor; and characterized by a guard member (160, 164) coupled to the first panel, wherein the guard member (160, 164) has a convex outward facing portion and a concave interior portion, and wherein the concave interior portion covers the fan blade, wherein the plurality of legs are curved 180 degrees and/or are shaped like spider legs. a central motor mounting member having a plurality of apertures for receiving the plurality of mounting studs on the motor, a plurality of legs, each having a distal end and a proximal end, wherein the proximal ends of the legs are coupled to the central motor mounting member and the distal ends are coupled to the first panel radially outboard of the fan aperture (144, 148) when in an assembled position, and wherein the proximal ends of the plurality of legs are axially closer to the motor than the distal ends of the plurality of legs when in the assembled position; wherein the Venturi shroud is formed with a plurality of slots, each slot of the plurality of slots sized to allow one of the plurality of legs of the motor mount to enter the slot; a fan blade coupled to the shaft of the motor; and characterized by a guard member (160, 164) coupled to the first panel, wherein the guard member (160, 164) has a convex outward facing portion and a concave interior portion, and wherein the concave interior portion covers the fan blade, wherein the plurality of legs are curved 180 degrees and/or are shaped like spider legs.