4′ 7½″ diam., 14 oval spokes, rectangular inner rim,
Hub 11½″ face dia., 15″ at widest, pin in line at 15″, 1½″ out from the tyre.

Source: works drg.; Russell, A pictorial record of Great Western Engines, vol. 2, p. 92-95, photographs.
P. 181 photo of the 5275-94 series converted to a 2-8-2T No 72xx.

Casting: 32.4 mm tread dia., 27.4 mm i/d., hub 0.8 mm out from the tyre, pin at 8.75 mm.

Casting prices and stock . GWR loco sets, price list

Scan of a casting in a set for a GWR 2-8-0 42xx . GWR 2-8-0 early 28xx.