3′ 6″ diam., 10 oval spokes, hump inner rim, apparent tread 4½″.
Hub 13″ face dia., ½″ out from the tyre.

Source: measured direct from Butler Henderson at York in 1995.

Casting: 35.0 mm tread dia., 27.1 i/d, hub 0.4 mm out from the tyre.

Casting prices and stock . GC loco sets, price list

Scan of a casting in a set for a GC 4-4-0 11B/LNER D9, 10, 11 with a prototype photographs.