6′ 9″ diam., 21 oval spokes, vee inner rim, 4″ apparent tread, 5½″ tyre width.
Hub 20½″ dia, 2″ out from the tyre, pin between at 14″.

Source: Duchess of Sutherland measured direct at Bressingham, Oct. 1994.

Casting: 91.04 mm tread dia, 82.0 i/d., hub 2.1 mm out from the tyre, pin at 15.7 mm.

Gauge 3 loco set prices . Casting prices and stock

Scan of a casting in a set for a LMS 4-6-2 Duchess

Suitable for the Gauge 3 Society 2010 minimum tyre width of 6.8 mm, or the earlier standard of 8.0 mm.