The class is officially the fastest diesel locomotive in the world, with an absolute maximum speed of 148.5 mph (239.0 km/h), and a regular service speed of 125 mph (201 km/h). The record run was led by 43102 (43302) and trailed by 43159.[3][4]
^Clinnick, Richard (April 2023). "Modernising the Moorgate branch". Rail Express. No. 323. Horncastle: Mortons Media Group. p. 87. ISSN1362-234X. New Measurement Train [HST] power cars Nos. 43013/014/062 have visited the [RIDC] at Old Dalby for 'first in class' testing...
^"Refurbished and repainted HSTs find new home in Nigeria". Network News. Rail Magazine. No. 1007. 17 April 2024. p. 16.
Cite error: There are <ref group=note> tags on this page, but the references will not show without a {{reflist|group=note}} template (see the help page).