3′ 2″ diam., 10 oval spokes, apparent tread 4¾″, tyre thickness 5⅜″.
Hub, 12½″ face dia., ¾″ out from the tyre.

Sources: No 4472 measured direct at Llangollen in Feb. 1995.
O.S. Noch, British Locomotives of the 20th Century, vol 1: page 218. Detailed works drawing.

Casting: 120.7 mm tread dia., 90.5 mm i/d., hub 2.4 mm out from the tyre.

7¼″ gauge price list . Stock