3′ 3½″, 10 oval spokes, vee inner rim, apparent tread 3½″.
Hub 16″ face dia., 5/8″ out from the tyre.

Source: works drg.

Casting: 31.35 mm tread dia., 25.8 mm i/d., hub 0.5 mm out from the tyre.

Casting prices and stock . BR loco sets, price list

Scan of casting in sets for: BR 2-10-0 9F, 4-6-2 Britannia . 4-6-0 4MT