A refrigerated transportation cargo container comprising: a transportation cargo container; and a refrigeration unit disposed at an end of the transportation cargo container to provide a flow of supply air for the transportation cargo container, the refrigeration unit including: a housing; and an evaporator fan to deliver supply air through the refrigeration unit; wherein the refrigeration unit is positioned to define a side passage between the refrigeration unit sidewall and a sidewall of the transportation cargo container; a kick plate assembly including: a kick plate extending from the refrigeration unit toward the floor of the cargo container; and a baffle plate extending laterally from a sidewall of the refrigeration unit to a sidewall of the cargo container across the side passage to prevent flow of supply air into the side passage and direct the supply air into T-bars extending along a floor of the transportation cargo container; wherein the kick plate assembly defines a discharge cavity at a bottom portion of the refrigeration unit to evenly distribute the flow of supply air along a width of the cargo container and into the T-bars extending along the floor of the cargo container; and characterized in that the baffle plate is attached to the kick plate via a hinged connection. a transportation cargo container; and a refrigeration unit disposed at an end of the transportation cargo container to provide a flow of supply air for the transportation cargo container, the refrigeration unit including: a housing; and an evaporator fan to deliver supply air through the refrigeration unit; wherein the refrigeration unit is positioned to define a side passage between the refrigeration unit sidewall and a sidewall of the transportation cargo container; a kick plate assembly including: a kick plate extending from the refrigeration unit toward the floor of the cargo container; and a baffle plate extending laterally from a sidewall of the refrigeration unit to a sidewall of the cargo container across the side passage to prevent flow of supply air into the side passage and direct the supply air into T-bars extending along a floor of the transportation cargo container; wherein the kick plate assembly defines a discharge cavity at a bottom portion of the refrigeration unit to evenly distribute the flow of supply air along a width of the cargo container and into the T-bars extending along the floor of the cargo container; and characterized in that the baffle plate is attached to the kick plate via a hinged connection. a housing; and an evaporator fan to deliver supply air through the refrigeration unit; wherein the refrigeration unit is positioned to define a side passage between the refrigeration unit sidewall and a sidewall of the transportation cargo container; a kick plate assembly including: a kick plate extending from the refrigeration unit toward the floor of the cargo container; and a baffle plate extending laterally from a sidewall of the refrigeration unit to a sidewall of the cargo container across the side passage to prevent flow of supply air into the side passage and direct the supply air into T-bars extending along a floor of the transportation cargo container; a kick plate extending from the refrigeration unit toward the floor of the cargo container; and a baffle plate extending laterally from a sidewall of the refrigeration unit to a sidewall of the cargo container across the side passage to prevent flow of supply air into the side passage and direct the supply air into T-bars extending along a floor of the transportation cargo container; wherein the kick plate assembly defines a discharge cavity at a bottom portion of the refrigeration unit to evenly distribute the flow of supply air along a width of the cargo container and into the T-bars extending along the floor of the cargo container; and characterized in that the baffle plate is attached to the kick plate via a hinged connection.