Definition of "axleload"

The weight of the V160, 74 tons loaded, and its axleload, 18½ tons, compare with the V200's 84 and 21 tons respectively.

1961 May, “New European motive power: 2 - Recent German and Austrian diesel units: The German V160”, in Trains Illustrated, page 306

Ultimately the four-wheel type was selected which, weighing 45 tons fully loaded, is just within the 22½-ton maximum axleload.

1962 December, “Iron ore traffic for the Spencer works”, in Modern Railways, page 411