3′ 9½″ diam., 10 rectangular spokes, apparent tread 4″.
Hub 14″ face dia., level with the tyre.

Source: Sharpe Stewart works drawing.

Casting: 37.9 mm tread diam., 31.3 i/d, hub level with the tyre.

Casting prices and stock . HR loco sets, price list

Scan of a casting in sets for a HR 4-6-0 Jones Goods