5′ 2″ diam., 16 rect spokes, rectangular inner rim, 4¼″ apparent tread.
Hub 14½″ face dia., 2⅜″ out from the tyre, pin between at 10″.

Casting: 69.7 mm tread dia., 60.4 mm i/d., hub 2.7 mm out from the tyre, pin at 11.2 mm.

Casting prices and stock . GWR loco sets, price list

Scan of a casting in a set for a GWR 0-6-0 Dean Goods class