2′ 9″ dia., 9 rectangular spokes, rectangular inner rim, apparent tread 3″.
Hub 12¾″ face dia., ½″ out from the tyre.

Source: works drawings.

Casting: 19.3 mm tread dia., 15.0 mm i/d., hub 0.4 mm out from the tyre.

Casting prices and stock . Loco sets, price list

Scan of a casting for a NSWGR 2-6-0 Z25