3′ 9″ diam., disc. 4½″ apparent tread.
Hub 12½″ face dia., 1″ out from the tyre.

Source: B1 tender measured direct at Loughborough in 1995.

Casting: 37.5 mm tread dia., 29.0 i/d. Hub 0.8 mm out from the tyre.

Casting prices and stock . LNER loco sets, price list

Scans of castings in sets for LNER V2