4′ 1″ diam., 12 oval spokes, humped inner rim, apparent tread 4″.
Hub 13″ face dia., 3″ out from the tyre, pin in line at 11″.

Source: preserved loco No 69023 measured direct.

Casting: 41.0 mm tread dia., 34.6 mm i/d., hub 2.5 mm out from the tyre, pin at 9.2 mm.

Casting prices and stock . NER loco sets, price list

Scan of a casting in a set for a NER 0-6-0T E1/LNER J72