850 mm, 2′ 9½″ diam., disc.
Hub 12″ face dia., 1¾″ below the tyre.

Casting: 26.6 mm tread dia., 21.1 mm i/d., hub 0.4 mm below the tyre.

Casting prices and stock . Germany loco sets, price list

Scan of castings in a set for a German 2-10-0 Class 52