6′ 6″ diam., 22 oval spokes, rectangular inner rim, apparent tread 4″.
Hub 17″ face dia., front driver 5″ out from the tyre (others 3¼″), pin in line at 9¾″.

Castings: 65.0 mm tread dia., 58.4 mm i/d., front hub 4.2 mm out from the tyre, others 2.7 mm., pin at 8.1 mm.

Casting prices and stock . CR loco sets, price list

Scan of a casting in a set for a CR Class 903, Cardean