 The third series of 70 locomotives was ordered by the French rail-mounted heavy artillery ("Artillerie Lourde sur Voie Ferrée", ALVF).They were numbered 1 to 70, and half were built by North British Locomotive in 1916, and the other half by Vulcan Foundry between 1919 and 1920.After the war, these 70 locomotives were sold, with the NBL-built locomotives going to the Chemins de fer de l'Est as Est 40.001 to 40.035, and the VF-built locomotives to the Chemins de fer de Paris à Lyon et à la Méditerranée (PLM) as 140.K.1 to 140.K.35.