4′ 7½″ diam, 14 oval spokes, rectangular inner rim, apparent tread 4″.

Hub 16½″ face dia., 2″ out from the tyre, pin between at 11″.

Sources: Russell, 2:165 wks drg., Photos.

Casting: 46.25 mm. tread dia., 39.7 mm i/d., hub 2.1 mm out from the tyre, pin at 9.2 mm.

Casting prices and stock . GWR loco sets, price list

Scan of a casting in a set for a GWR 0-6-2T 56xx