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: 31.7 mm tread dia., 23.8 mm i/d., hub 0.6 mm out from the tyre.

Casting prices and stock . LNER loco sets, price list

Scans of a casting in sets for:
LNER 4-6-2 A3 . Thompson A2/1, 6 wheel tender . Thompson A2/1, 8 wheel tender . P2 . V2