4′ 0″ diam., 10 oval spokes, low hump inner rim, apparent tread 5″.
Hub 12½″ face dia., 2½″ out from the tyre, pin between at 10″.

Source: preserved loco measured direct at York in 1994.

Casting: 38.1 mm tread dia., 30.2 1/d., hub 2.0 mm out from the tyre, pin at 7.9 mm.

Casting prices and stock . GER loco sets, price list

Scans of the castings in a set for a GER R24, S56/LNER J67,8,9