4′ 7½″ diam.,14 oval spokes, rectangular inner rim, apparent tread 4¼″.
Hub 15½″ face dia., pin in line at 15″, central boss is 1½″ out from the tyre.

Source: No 7200 measured direct.

Casting: 44.05 tread dia., 37.3 i/d., hub 1.2 mm out from the tyre, pin at 11.9 mm.

Casting prices and stock . GWR loco sets, price list

Scan of a casting in a set for a GWR 2-8-2T 72xx class