U-3 30' flat deck.  120 wagons built 1906 to 1924. Tare 8-10-0. Various numbers 1,2,49,77,83,236,238-41,243, 290-3, 383-517, 565, 570-684, 768-82, 1144, 1147, 1149-51. Underframes were converted for use with a wide range of other wagon classes.

 Pewter and brass castings. Northyard bogie sets.