This 50’ standard box car with plug door has maroon sides with yellow stripes, black ends and aluminum roof. It was built in February 1964 and runs on Roller Bearing trucks. MILW 2623 is classed as RBL and is part of the 2600-2654 fifty-car series. This series has specially equipped interiors and is not suitable for general service. Over 20 years later, 20 cars form this series were still in operation with MILW reporting marks in the same paint scheme.