6′ 7″ diam., 22 oval spokes, humped inner rim, 4″ apparent tread, 6″ tyre thickness.
Hub 16 ¾″ face dia., 2½″ out from the tyre, pin in line at 9″.

Sources: Preserved T9, No 120 measured direct at the Bluebell Railway, August 1994.

Casting: 62.7 mm tread dia., 56.9 i/d., hub 2.0 mm out from the tyre, pin at 7.14 mm.
Tyre widths for exact scale models at 1:32, 4.76 mm.

Casting prices and stock . LSWR loco sets, price list

Scan of a casting in a set for a LSWR 4-4-0 T9