P307 outer coupled wheels, P308 mid coupled wheels, P309 driven wheel.
4′ 9½″ diam., 13 oval spokes.
Hub 13″ face dia., level with the tyre. Pin at 13″.
Casting: 45.2 mm tread dia., 39.7 mm i/d., hub level with the tyre. Pin at 10.3 mm.
Scan of castings in a set for a USATC S160 2-8-0 Class S160
25 Jan 2015