3′ 9¾″ diam., 10 oval spokes, hump inner rim, apparent tread 4″.
Hub 12″ face dia., ¼″ out from the tyre.

Source: works drawing.

Casting: 38.1 mm tread dia., 31.5 i/d., 0.2 mm out from the tyre.

Casting prices and stock . LSWR loco sets, price list

Scan of a casting in a set for a LSWR 4-4-0 X2