3′ 7″ diam., 11 oval spokes, vee inner rim, 4″ apparent tread, 5½″ tyre width.
Hub 1′ 2″ face dia., 15/16″ out from the tyre.

Source: works drawing.

Casting: 34.2 mm diam., 28.0 mm i/d., hub 0.74 mmout from the tyre.
Tyre widths for exact scale models at 1:32, 5½″ = 4.37 mm. (From wks drg.)

Casting prices and stock . BR loco sets, price list

Scan of a casting in set for a BR Deisel Class 21/29 or Class 41 with prices of turned sets.