6′ 6″ diam., 20 oval spokes, vee inner rim, 4″ apparent tread.
Hub 20½″ face dia., central disc 25″ dia., raised by ¾″. Central disc is 2¾″ above the tyre. Pin at 14″.

Source: No. 46203, Princess Margaret Rose measured direct in March 1997 at Swanwick.

Casting: 61.9 mm tread dia., 55.6 i/d., hub centre 2.2 out from the tyre, pin at 11.1 mm.

Casting prices and stock . LMS loco sets, price list

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