1,035 mm (= 3′ 4¾″) diam., 10 oval spokes, vee inner rim, 80 mm apparent tread, 140 mm (=5½″) tyre width.
Hub 300 mm face dia., 11 mm out from the tyre.

Source: works drawing.

Casting: 31.1 mm tread dia., 27.4 i/d., hub 0.3 mm out from the tyre.
1:32 exact scale tyre thickness: 4.4 mm.

Casting prices and stock . Austria loco sets, price list

Scan of a casting in a set for an Austrian BBÖ 113 class