3′ 7″ diam., 10 oval spokes, humped inner rim, apparent tread 4″, tyre width 5 7/16″ .
Hub 13½″ face dia., ¼″ out from the tyre.

Sources: Preserved T9, No 120 measured direct at the Bluebell Railway, August 1994.
O.S. Nock, The Southern King Arthur Family, page 31, detailed front view works drawing, including tyre width.

Casting: 34.1 mm tread dia., 28.0 mm i/d., hub 0.2 mm out from the tyre.
Tyre widths for exact scale models at 1:32, 4.32 mm.

Casting prices and stock . LSWR loco sets, price list

Scan of a casting in a set for a LSWR 4-6-0 S15 , LSWR 4-4-0 T9