7′ 0″ diam., 20 oval spokes, rectangular inner rim, apparent tread 4 11/16" (=3″ tyre thickness plus overlap).
Hub 16″ face dia., 4⅜″ out from the tyre, pin between at 12″.

Source: works drg. from Machine Drawing and Design.

Castings: 49.0 mm tread dia., 43.5 mm i/d., hub 4.4 mm out from the tyre, pin at 7.0 mm.

Casting prices and stock . GER loco sets, price list

Scan of the castings in a set for a GE 4-4-0 S46/LNER D14, 15, 16